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2003 Chevrolet Silverado 2500 HD Alternator

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Replacement Alternator
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Replacement Alternator
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Replacement Alternator
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Replacement Alternator
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(5 Reviews)
4.8 Stars
Replacement 911-123
Alternator
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Our List Price: $103.95
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(22) In Stock
Part Number: 3706-02853041
Notes: Alternator -- New; 145 AMP; 6-Groove Pulley; 12 Volt; Clockwise Rotation; Internal Regulator; Internal Fan
Product Remark: 145 AMP; 4 Pin Plug
Condition: New

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This Part Fits: Catalog: E
Vehicle Engine Notes
2003 Chevrolet Silverado 2500 HD 8.1L V8  Optional, With 145 amp Alternator 
2003 Chevrolet Silverado 2500 HD 6.0L V8  With Delco 145 amp Alternator 
2003 Chevrolet Silverado 2500 HD 6.6L V8  With Delco 145 amp Alternator 

Replacement Alternator
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Replacement Alternator
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Replacement Alternator
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Replacement Alternator
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(1 Reviews)
5 Stars
Replacement 911-012
Alternator
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Our List Price: $94.95
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(75) In Stock
Part Number: 3706-02311021
Notes: New -- 105 AMP; AD230 Series; 12 Volt; Clockwise Rotation; Internal Regulator; Internal Fan
Product Remark: 105 AMP; 4 Pin Plug
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: E
Vehicle Engine Notes
2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U  With 137mm (5 3/8") Diameter Alternator Case 
2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G  With 137mm (5 3/8") Diameter Alternator Case 
2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL  With 137mm (5 3/8") Diameter Alternator Case 

API Alternator
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API Alternator
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(Read reviews)
Our List Price: $92.98
Core Price [?]: $75.00
(39) In Stock
Part Number: 3706-07520610
Notes: Remanufactured -- Optional, With 145 amp Alternator
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: P
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 8.1L V8 

API Alternator
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API Alternator
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(Read reviews)
Our List Price: $92.98
Core Price [?]: $75.00
(39) In Stock
Part Number: 3706-07520610
Notes: Remanufactured -- With Delco 145 amp Alternator
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: P
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 

Pure Energy Alternator
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(28 Reviews)
4.9 Stars
Pure Energy 8292603N
Alternator
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Our List Price: $107.43
(99) In Stock
Part Number: 3706-05516758
Notes: New -- Optional, With 145 amp Alternator
Features:
  • 130 Amps
Condition: New

Fan Internal
Pulley 6 Groove Serpentine

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 8.1L V8 

Pure Energy Alternator
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(8 Reviews)
5 Stars
Pure Energy 8247603N
Alternator
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Our List Price: $118.43
(99) In Stock
Part Number: 3706-05516701
Notes: New -- With Delco 105 amp Alternator
Features:
  • 105 Amps
Condition: New

Fan Internal
Pulley 6 Groove Serpentine

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 
2003 Chevrolet Silverado 2500 HD 8.1L V8 

Pure Energy Alternator
Pure Energy logo Pure Energy Alternator Click to Enlarge
(28 Reviews)
4.9 Stars
Pure Energy 8292603N
Alternator
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Our List Price: $107.43
(99) In Stock
Part Number: 3706-05516758
Notes: New -- With Delco 145 amp Alternator
Features:
  • 130 Amps
Condition: New

Fan Internal
Pulley 6 Groove Serpentine

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 

Pure Energy Alternator
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(6 Reviews)
5 Stars
Pure Energy 8292603
Alternator
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Our List Price: $72.43
Core Price [?]: $39.00
(99) In Stock
Part Number: 3706-05516757
Notes: Remanufactured -- Optional, With 145 amp Alternator
Features:
  • 145 Amps
Condition: Remanufactured

Fan Internal
Pulley 6 Groove Serpentine

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 8.1L V8 

Pure Energy Alternator
Pure Energy logo Pure Energy Alternator Click to Enlarge
(6 Reviews)
5 Stars
Pure Energy 8292603
Alternator
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Our List Price: $72.43
Core Price [?]: $39.00
(99) In Stock
Part Number: 3706-05516757
Notes: Remanufactured -- With Delco 145 amp Alternator
Features:
  • 145 Amps
Condition: Remanufactured

Fan Internal
Pulley 6 Groove Serpentine

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(Read reviews)
Product List Price:
$514.20
Our List Price: $261.58
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Core Price [?]: $49.00
(47) In Stock
Part Number: W0133-1965462
Notes: GM OE Remanufactured - 105 Amp
Condition: Remanufactured

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OEM
This Part Fits: Catalog: A
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Product List Price:
$547.65
Our List Price: $268.58
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Core Price [?]: $52.00
(62) In Stock
Part Number: W0133-1968516
Notes: GM OE Remanufactured - w/ 145 Amp Alternator (RPO KG3)
Condition: Remanufactured

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OEM
This Part Fits: Catalog: A
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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Our List Price: $247.99
with FREE Shipping
Core Price [?]: $44.00
(10) In Stock
Part Number: 3706-05406714
Notes: GM Original Equipment -- Remanufactured; 105 AMP DUAL GENERATOR (K65), 105 AMP DUAL GENERATOR (8X5); OEM P/ N 10464481; FOR 1st DESIGN SEE 19151893; 2nd Design; DELCO SERIES AD230, 6S PULLEY
Condition: Remanufactured

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: B
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Our List Price: $133.99
Core Price [?]: $44.00
(30) In Stock
Part Number: 3706-05406712
Notes: GM Original Equipment -- Remanufactured; 105 AMP DUAL GENERATOR (K65), 105 AMP DUAL GENERATOR (8X5); OEM P/ N 10480388; FOR 2ND DESIGN SEE 19151898; 1st Design; DELCO SERIES AD230, 6S PULLEY
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Our List Price: $133.99
Core Price [?]: $44.00
(30) In Stock
Part Number: 3706-05406712
Notes: GM Original Equipment -- Remanufactured; 105 AMP GENERATOR (K68); OEM P/ N 10480388; FOR 2ND DESIGN SEE 19151898; 1st Design; DELCO SERIES AD230, 6S PULLEY
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Our List Price: $247.99
with FREE Shipping
Core Price [?]: $44.00
(10) In Stock
Part Number: 3706-05406714
Notes: GM Original Equipment -- Remanufactured; 105 AMP GENERATOR (K68); OEM P/ N 15755616; FOR 1st DESIGN SEE 19151893; 2nd Design; DELCO SERIES AD230, 6S PULLEY
Condition: Remanufactured

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: B
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Our List Price: $258.99
with FREE Shipping
Core Price [?]: $47.00
(41) In Stock
Part Number: 3706-05406722
Notes: GM Original Equipment -- Remanufactured; 145 AMP (KG3), SEO 145 AMP GENERATOR (8C6)
Condition: Remanufactured

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: B
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(3 Reviews)
5 Stars
AC Delco W0133-2047304
Alternator
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Product List Price:
$298.87
Our List Price: $153.58
(31) In Stock
Part Number: W0133-2047304
Notes: Professional - 105 Amp
Product Remark: New
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
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(Read reviews)
Our List Price: $135.43
(43) In Stock
Part Number: 3706-05406979
Notes: Professional -- New; With 137mm (5 3/8") Diameter Alt Case; 105 Amps
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 
2003 Chevrolet Silverado 2500 HD 8.1L V8 

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(Read reviews)
Our List Price: $104.43
Core Price [?]: $39.00
(25) In Stock
Part Number: 3706-05406924
Notes: Professional -- Remanufactured; Optional, With 145 amp ALTERNATOR; Family DE-AD244; Unit MFR DE; Amps 145; Pulley 6S; Internal Fan; Internal Regulator; Clock 3:00
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 8.1L V8 

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(1 Reviews)
5 Stars
AC Delco 334-2491A
Alternator
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Our List Price: $104.43
Core Price [?]: $35.00
(33) In Stock
Part Number: 3706-05406914
Notes: Professional -- Remanufactured; With Delco 105 amp ALTERNATOR; Family DE-AD230; Unit MFR DE; Amps 105; Pulley 6S; Internal Fan; Internal Regulator; Clock 11:30
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 
2003 Chevrolet Silverado 2500 HD 8.1L V8 

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(Read reviews)
Our List Price: $104.43
Core Price [?]: $39.00
(25) In Stock
Part Number: 3706-05406924
Notes: Professional -- Remanufactured; With Delco 145 amp ALTERNATOR; Family DE-AD244; Unit MFR DE; Amps 145; Pulley 6S; Internal Fan; Internal Regulator; Clock 3:00
Condition: Remanufactured

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 6.6L V8 

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(Read reviews)
Product List Price:
$226.54
Our List Price: $118.58
Core Price [?]: $40.00
(56) In Stock
Part Number: W0133-2051184
Notes: Professional Remanufactured - 105 Amp
Product Remark: 105 Amp
Condition: Remanufactured

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
2003 Chevrolet Silverado 2500 HD

AC Delco Alternator
AC Delco logo AC Delco Alternator Click to Enlarge
(Read reviews)
Product List Price:
$226.07
Our List Price: $116.58
Core Price [?]: $44.00
(76) In Stock
Part Number: W0133-2052588
Notes: Professional Remanufactured - w/ 145 Amp Alternator (RPO KG3)
Condition: Remanufactured

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
2003 Chevrolet Silverado 2500 HD

DIY Solutions Alternator
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DIY Solutions Alternator
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Our List Price: $156.95
with FREE Shipping
(20) In Stock
Part Number: 3706-07464566
Notes: Alternator -- 8th Vin Digit G; V8 8.1L
Condition: New

Voltage / Wattage / Amperage Rating 145 Amp

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G 

DIY Solutions Alternator
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DIY Solutions Alternator
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(Read reviews)
Our List Price: $156.95
with FREE Shipping
(20) In Stock
Part Number: 3706-07464566
Notes: Alternator -- 8th Vin Digit N; V8 6.0L
Condition: New

Voltage / Wattage / Amperage Rating 145 Amp

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 

DIY Solutions Alternator
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DIY Solutions Alternator
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(Read reviews)
Our List Price: $156.95
with FREE Shipping
(20) In Stock
Part Number: 3706-07464566
Notes: Alternator -- 8th Vin Digit U; V8 6.0L
Condition: New

Voltage / Wattage / Amperage Rating 145 Amp

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U 

DIY Solutions Alternator
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DIY Solutions Alternator
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(Read reviews)
Our List Price: $156.95
with FREE Shipping
(20) In Stock
Part Number: 3706-07464566
Notes: Alternator -- Diesel; 8th Vin Digit 1; V8 6.6L
Condition: New

Voltage / Wattage / Amperage Rating 145 Amp

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.6L V8 VIN: 1 DIESEL 

DIY Solutions Alternator
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DIY Solutions Alternator
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Our List Price: $125.95
with FREE Shipping
(20) In Stock
Part Number: 3706-07431308
Notes: Alternator -- for Models with; RPO Code K68 (105 Amp Alternator)
Condition: New

Voltage / Wattage / Amperage Rating 105 Amp

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle
2003 Chevrolet Silverado 2500 HD

SKP Alternator
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SKP Alternator
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(Read reviews)
Our List Price: $106.98
with FREE Shipping
(28) In Stock
Part Number: 3706-07539115
Notes: Alternator -- Clockwise Rotation; 105A; 10:00 Position; SD6 Pulley
Features:
  • Meets or exceeds OEM specifications
  • Rigorous quality control measures
  • 12-month SKP limited warranty
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: S
Vehicle Engine
2003 Chevrolet Silverado 2500 HD 6.0L V8 
2003 Chevrolet Silverado 2500 HD 8.1L V8 

Powermaster Alternator
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Powermaster Alternator
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Powermaster Alternator
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Powermaster Alternator
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(1 Reviews)
5 Stars
Powermaster 48237
Alternator
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Our List Price: $306.98
(50) In Stock
Part Number: 3706-03299118
Notes: Alternator -- AD244; Offset 2 in. Spools; 220 Amp; 150 Idle; With 4 pin Voltage Regulator; Natural
Features:
  • High Output Replacement For Lower Amp Units
  • 220 Plus Amps At Top End/150 Plus Amps At Idle
  • Fits Most GM Applications With Two 2 in. Mounting Spools
  • One Unit for 1 Wire Operation Or OEM Hookup
  • Great For LS Swaps
  • Individually Dyno Tested with Proof of Performance Guarantee
  • Dual Internal Fans For High Efficiency And Maximum Cooling
Condition: New

Amperage 255 AMP

Shipping Options:
Ground

Installation Instructions:
  • Installation Instructions PDF - [1]
  • This Part Fits: Catalog: F
    Vehicle
    2003 Chevrolet Silverado 2500 HD

    WAI Global Alternator
    WAI Global logo
    WAI Global Alternator
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    (Read reviews)
    Our List Price: $133.98
    (31) In Stock
    Part Number: 3706-07301224
    Notes: Alternator -- 253 Amp Aftermarket upgrade
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: C
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 

    WAI Global Alternator
    WAI Global logo WAI Global Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $106.99
    (1) In Stock
    Part Number: 3706-05788478
    Notes: Alternator -- Delco 105 Amp
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    WAI Global Alternator
    WAI Global logo WAI Global Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $96.99
    (5) In Stock
    Part Number: 3706-05788488
    Notes: Alternator -- Delco AD244, 145A
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    Remy Alternator
    Remy logo Remy Alternator Click to Enlarge
    (4 Reviews)
    5 Stars
    Remy 91602
    Alternator
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    Our List Price: $122.99
    (28) In Stock
    Part Number: 3706-05367465
    Notes: Premium; New -- With 137mm (5 3/8") Diameter Alternator Case; 105 Amps
    Condition: New

    Amperage Rating 105 A
    Pulley Included YES
    Pulley Belt Type Serpentine

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G 

    Remy Alternator
    Remy logo Remy Alternator Click to Enlarge
    (1 Reviews)
    5 Stars
    Remy 91653
    Alternator
    Close
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    Our List Price: $134.08
    (2) In Stock
    Part Number: 3706-09083917
    Notes: Premium; New -- With 144mm (5 11/16") Diameter Alternator Case
    Condition: New

    Amperage Rating 145 A
    Pulley Included YES
    Pulley Belt Type Serpentine

    Shipping Options:
    Ground
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G 

    Remy Alternator
    Remy logo Remy Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $67.99
    Core Price [?]: $75.00
    (11) In Stock
    Part Number: 3706-05367183
    Notes: Premium; Remanufactured -- With 137mm (5 3/8") Diameter Alternator Case; 105 Amps
    Condition: Remanufactured

    Amperage Rating 105 A
    Pulley Included YES
    Pulley Belt Type Serpentine

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G 

    Remy Alternator
    Remy logo Remy Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $67.99
    Core Price [?]: $75.00
    (16) In Stock
    Part Number: 3706-05367205
    Notes: Premium; Remanufactured -- With 144mm (5 11/16") Diameter Alternator Case; 145 Amps
    Condition: Remanufactured

    Amperage Rating 145 A
    Pulley Included YES
    Pulley Belt Type Serpentine

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 VIN: U 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 DIESEL 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 VIN: G 

    Valeo Alternator
    Valeo logo Valeo Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $158.43
    (8) In Stock
    Part Number: 3706-05872398
    Notes: Alternator -- 150 AMP
    Features:
    • All components are 100% new (not remanufactured)
    • Direct replacement ensuring a perfect fit and installation
    • Engineered to operate in all weather conditions for uncompromised performance
    • High resistance to heat, vibration and dust producing maximum charge output
    • High output to weight ratio for increased durability
    Condition: New

    Voltage 14
    Amperage Rating 150

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Sub Model Engine
    2003 Chevrolet Silverado 2500 HD Base  6.0L V8 
    2003 Chevrolet Silverado 2500 HD Base  6.6L V8 
    2003 Chevrolet Silverado 2500 HD Base  8.1L V8 
    2003 Chevrolet Silverado 2500 HD LS  6.0L V8 
    2003 Chevrolet Silverado 2500 HD LS  6.6L V8 
    2003 Chevrolet Silverado 2500 HD LS  8.1L V8 
    2003 Chevrolet Silverado 2500 HD LT  6.0L V8 
    2003 Chevrolet Silverado 2500 HD LT  6.6L V8 
    2003 Chevrolet Silverado 2500 HD LT  8.1L V8 
    2003 Chevrolet Silverado 2500 HD WT  6.0L V8 

    Bosch Alternator
    Bosch logo Bosch Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $97.99
    Core Price [?]: $55.00
    (10) In Stock
    Part Number: 3706-05873878
    Notes: Alternator -- Remanufactured; 105 A
    Condition: Remanufactured

    Amperage Rating 105 A

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Sub Model Body Engine
    2003 Chevrolet Silverado 2500 HD     6.0L V8 GAS 
    2003 Chevrolet Silverado 2500 HD     6.6L V8 
    2003 Chevrolet Silverado 2500 HD     8.1L V8 
    2003 Chevrolet Silverado 2500 HD   Cab & Chassis  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD   Crew Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD   Extended Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD Base  Standard Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD LS  Standard Cab Pickup  6.0L V8 CNG 

    Bosch Alternator
    Bosch logo Bosch Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $109.99
    Core Price [?]: $40.00
    (10) In Stock
    Part Number: 3706-05527988
    Notes: Alternator -- Remanufactured; 145 A
    Condition: Remanufactured

    Amperage Rating 145 A

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Sub Model Body Engine
    2003 Chevrolet Silverado 2500 HD     6.0L V8 GAS 
    2003 Chevrolet Silverado 2500 HD     6.6L V8 
    2003 Chevrolet Silverado 2500 HD     8.1L V8 
    2003 Chevrolet Silverado 2500 HD   Cab & Chassis  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD   Crew Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD   Extended Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD Base  Standard Cab Pickup  6.0L V8 CNG 
    2003 Chevrolet Silverado 2500 HD LS  Standard Cab Pickup  6.0L V8 CNG 

    Bosch Alternator
    Bosch logo Bosch Alternator Click to Enlarge
    (Read reviews)
    Product List Price:
    $547.65
    Our List Price: $145.58
    Core Price [?]: $45.00
    (12) In Stock
    Part Number: W0133-2754789
    Notes: Remanufactured - w/ 145 Amp Alternator (RPO KG3)
    Condition: Remanufactured

    Shipping Options:
    Ground, Overnight, 2 Day
    This Part Fits: Catalog: A
    Vehicle
    2003 Chevrolet Silverado 2500 HD

    TYC Alternator
    TYC logo TYC Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $105.08
    (4) In Stock
    Part Number: 3706-09125231
    Notes: Alternator -- Fan Position: Internal; Power Generation (Amps): 105A; Pully Wheel Design: Regular; Pully Wheel Grooves: 6; Regulator Position: Internal; Rotation Direction: Clockwise
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    TYC Alternator
    TYC logo TYC Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $110.99
    (24) In Stock
    Part Number: 3706-05545117
    Notes: Alternator -- Fan Position: Internal; Power Generation (Amps): 145A; Pully Wheel Design: Regular; Pully Wheel Grooves: 6; Regulator Position: Internal; Rotation Direction: Clockwise; Optional
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    Denso Alternator
    Denso logo Denso Alternator Click to Enlarge
    (Read reviews)
    Product List Price:
    $547.65
    Our List Price: $157.58
    Core Price [?]: $40.00
    (4) In Stock
    Part Number: W0133-2208520
    Notes: First Time Fit - Reman - w/ 145 Amp Alternator (RPO KG3)
    Product Remark: 145Amp
    Condition: Remanufactured

    Shipping Options:
    Ground, Overnight, 2 Day
    OEM
    This Part Fits: Catalog: A
    Vehicle
    2003 Chevrolet Silverado 2500 HD

    OE+ Alternator
    OE+ logo OE+ Alternator Image is not vehicle specific
    (Read reviews)
    Product List Price:
    $547.65
    Our List Price: $127.58
    Core Price [?]: $50.00
    (12) In Stock
    Part Number: W0133-3597217
    Notes: Remanufactured - w/ 145 Amp Alternator (RPO KG3)
    Condition: Remanufactured

    Shipping Options:
    Ground, Overnight, 2 Day
    This Part Fits: Catalog: A
    Vehicle
    2003 Chevrolet Silverado 2500 HD

    BBB Industries Alternator
    BBB Industries logo BBB Industries Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $151.99
    with FREE Shipping
    (3) In Stock
    Part Number: 3706-09193966
    Notes: NEW ALTERNATOR -- Std; 105 Amps
    Condition: New

    Shipping Options:
    Free Ground Shipping
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    BBB Industries Alternator
    BBB Industries logo BBB Industries Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $78.08
    Core Price [?]: $45.00
    (3) In Stock
    Part Number: 3706-09193812
    Notes: Remanufactured ALTERNATOR -- Opt; 145 Amps
    Condition: Remanufactured

    Shipping Options:
    Ground
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    BBB Industries Alternator
    BBB Industries logo BBB Industries Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $75.08
    Core Price [?]: $45.00
    (13) In Stock
    Part Number: 3706-09193776
    Notes: Remanufactured ALTERNATOR -- Std; 105 Amps
    Condition: Remanufactured

    Shipping Options:
    Ground
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    API Alternator
    API logo
    API Alternator
    Click to Enlarge
    (Read reviews)
    Our List Price: $76.98

    Out of Stock
    Part Number: 3706-07577823
    Notes: Alternator -- Delco 105 Amp
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: P
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 

    API Alternator
    API logo
    API Alternator
    Click to Enlarge
    (3 Reviews)
    5 Stars
    API WAI8292N
    Alternator
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    Our List Price: $75.98

    Out of Stock
    Part Number: 3706-07800321
    Notes: Alternator -- Delco AD244, 145A
    Condition: New

    Shipping Options:
    Ground
    This Part Fits: Catalog: P
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 

    API Alternator
    API logo
    API Alternator
    Click to Enlarge
    (Read reviews)
    Our List Price: $65.98
    Core Price [?]: $75.00

    Out of Stock
    Part Number: 3706-07399525
    Notes: Remanufactured -- With Delco 105 amp Alternator
    Condition: Remanufactured

    Shipping Options:
    Ground
    This Part Fits: Catalog: P
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 

    BBB Industries Alternator
    BBB Industries logo BBB Industries Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $167.99
    with FREE Shipping

    Out of Stock
    Part Number: 3706-09193969
    Notes: NEW ALTERNATOR -- Opt; 145 Amps
    Condition: New

    Shipping Options:
    Free Ground Shipping
    This Part Fits: Catalog: H
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 

    Pure Energy Alternator
    Pure Energy logo Pure Energy Alternator Click to Enlarge
    (Read reviews)
    Our List Price: $57.43
    Core Price [?]: $68.00

    Out of Stock
    Part Number: 3706-05516700
    Notes: Remanufactured -- With Delco 105 amp Alternator
    Features:
    • 105 Amps
    Condition: Remanufactured

    Fan Internal
    Pulley 6 Groove Serpentine

    Shipping Options:
    Ground
    This Part Fits: Catalog: B
    Vehicle Engine
    2003 Chevrolet Silverado 2500 HD 6.0L V8 
    2003 Chevrolet Silverado 2500 HD 6.6L V8 
    2003 Chevrolet Silverado 2500 HD 8.1L V8 



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