Discount Auto Parts and Accessories Auto Parts Since 2008
Call To Order: 1-800-541-9352

2003 Chevrolet Suburban 1500 Spark Plug

Review Fitment Notes
Related Parts
Shop By Vehicle

We have 43 spark plug products to choose from for your 2003 Chevrolet Suburban 1500, and our low-cost options range from $1.41 up to $76.95

Showing 43 of 43 Results
NGK Spark Plug W0133-1914648 Click to Enlarge
5 Stars
NGK W0133-1914648
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: W0133-1914648
Brand: NGK
Notes: G-Power - w/ Platinum Design
Product Remark: TR5GP
  • Fine Wire Platinum Tipped Center Electrode Reduces Required Voltage for Better Starts, Superior Acceleration and Increased Fuel Economy
  • Trapezoid Cut Ground Electrode Reduces Quenching
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$7.88
Our Price: $2.76
(70) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
NGK Spark Plug 3721-05051231 Click to Enlarge
4.7 Stars
NGK 3186
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: 3721-05051231
Brand: NGK
Notes: G-Power Spark Plug -- Gap 0.040"
Condition: New
Shipping Options: Ground
$2.83
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
NGK Spark Plug 3721-05051270 Click to Enlarge
5 Stars
NGK 7397
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: 3721-05051270
Brand: NGK
Notes: Iridium IX Spark Plug -- Gap 0.040"
Condition: New
Shipping Options: Ground
$6.60
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
NGK Spark Plug W0133-1635520 Click to Enlarge
5 Stars
NGK W0133-1635520
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: W0133-1635520
Brand: NGK
Notes: Iridium-IX - w/ Iridium Design
Product Remark: TR5IX NGK
  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Todays High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$19.42
Our Price: $8.71
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
NGK Spark Plug W0133-1635520 Click to Enlarge
5 Stars
NGK W0133-1635520
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: W0133-1635520
Brand: NGK
Notes: Iridium-IX - w/ Platinum Design
Product Remark: TR5IX NGK
  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Todays High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$19.42
Our Price: $8.71
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
NGK Spark Plug 3721-05446560 Click to Enlarge
Website Reviews
Loading Reviews...
NGK Spark Plug
Part Number: 3721-05446560
Brand: NGK
Notes: Laser Iridium Spark Plug -- Gap 0.040"
Condition: New
Shipping Options: Ground
$7.85
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
NGK Spark Plug 3721-05366514 Click to Enlarge
5 Stars
NGK 3784
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: 3721-05366514
Brand: NGK
Notes: Laser Platinum Spark Plug -- Gap 0.040"; OE Equivalent Design; 100,000 mi OE Manufacturer Recommended Service Interval
Condition: New
Shipping Options: Ground
$8.05
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
NGK Spark Plug 3721-03312180 Click to Enlarge
5 Stars
NGK 94567
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: 3721-03312180
Brand: NGK
Notes: Ruthenium HX Spark Plug -- Gap 0.040"
Condition: New
Shipping Options: Ground
$10.78
(9) In Stock
This Part Fits:
Catalog: F
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
NGK Spark Plug W0133-1641734 Click to Enlarge
5 Stars
NGK W0133-1641734
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: W0133-1641734
Brand: NGK
Notes: V-Power - w/ Platinum Design
Product Remark: TR5 NGK
  • Lowers ignition system voltage requirements
  • Greater ignitability and performance over conventional spark plugs
  • Corrugated Ribs Prevent Flashover
  • Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Increased fuel economy and lower emissions
  • Highly durable against electrical and chemical wear
  • Triple Seals Prevent Leakage Economical performance a
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$4.77
Our Price: $1.76
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
NGK Spark Plug 3721-05051219 Click to Enlarge
5 Stars
NGK 2238
Spark Plug
Loading Reviews...
NGK Spark Plug
Part Number: 3721-05051219
Brand: NGK
Notes: V-Power Spark Plug -- Gap 0.040"
Condition: New
Shipping Options: Ground
$1.90
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
AC Delco Spark Plug 3721-05008402 Click to Enlarge
5 Stars
AC Delco R44LTSM
Spark Plug
Loading Reviews...
AC Delco Spark Plug
Part Number: 3721-05008402
Brand: AC Delco
Notes: GM Original Equipment Conventional -- New; Gap .040
Condition: New
Center Electrode Tip Material: Nickel
Shipping Options: Ground
Must be purchased in quantities of 4
$1.90
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Suburban 1500
AC Delco Spark Plug 3721-05448550 Click to Enlarge
5 Stars
AC Delco 41-962
Spark Plug
Loading Reviews...
AC Delco Spark Plug
Part Number: 3721-05448550
Brand: AC Delco
Notes: GM Original Equipment Double Platinum -- New; Gap 0.040in
Condition: New
Center Electrode Tip Material: Platinum
Shipping Options: Ground
Must be purchased in quantities of 4
$6.44
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
AC Delco Spark Plug 3721-05448550 Click to Enlarge
5 Stars
AC Delco 41-962
Spark Plug
Loading Reviews...
AC Delco Spark Plug
Part Number: 3721-05448550
Brand: AC Delco
Notes: GM Original Equipment Double Platinum -- New; Original Equipment; GAP .040
Condition: New
Center Electrode Tip Material: Platinum
Shipping Options: Ground
Must be purchased in quantities of 4
$6.44
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8 L59 VIN: Z
2003 Chevrolet Suburban 1500 5.3L V8 LM7 VIN: T
AC Delco Spark Plug W0133-1985489 Click to Enlarge
Website Reviews
Loading Reviews...
AC Delco Spark Plug
Part Number: W0133-1985489
Brand: AC Delco
Notes: Gold Double Platinum - w/ Platinum Design
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$11.02
Our Price: $6.33
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
AC Delco Spark Plug W0133-3532174 Click to Enlarge
Website Reviews
Loading Reviews...
AC Delco Spark Plug
Part Number: W0133-3532174
Brand: AC Delco
Notes: Gold Iridium - w/ Iridium Design
Product Remark: 1
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$13.10
Our Price: $9.03
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
AC Delco Spark Plug W0133-2205223 Click to Enlarge
5 Stars
AC Delco W0133-2205223
Spark Plug
Loading Reviews...
AC Delco Spark Plug
Part Number: W0133-2205223
Brand: AC Delco
Notes: Gold Iridium - w/ Iridium Design
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$13.10
Our Price: $9.53
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
AC Delco Spark Plug W0133-3532174 Click to Enlarge
Website Reviews
Loading Reviews...
AC Delco Spark Plug
Part Number: W0133-3532174
Brand: AC Delco
Notes: Gold Iridium - w/ Platinum Design
Product Remark: 1
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$13.10
Our Price: $9.03
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
AC Delco Spark Plug 3721-05006493 Click to Enlarge
Website Reviews
Loading Reviews...
AC Delco Spark Plug
Part Number: 3721-05006493
Brand: AC Delco
Notes: Gold RAPIDFIRE -- New; Gap 0.040in
Condition: New
Center Electrode Tip Material: Platinum Pad
Shipping Options: Ground
Must be purchased in quantities of 4
$3.74
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
DIY Solutions Spark Plug Set 3721-07861964 Click to Enlarge
5 Stars
DIY Solutions IGN00952
Spark Plug Set
Loading Reviews...
DIY Solutions Spark Plug Set
Part Number: 3721-07861964
Brand: DIY Solutions
Notes: Spark Plug Set -- V8 5.3L
Condition: New
Spark Plug Type: Platinum
Also Used For: LS Swap
Quantity: 8 Piece
Shipping Options: Free Ground Shipping
$36.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
DIY Solutions Spark Plug Set 3721-07511320 Click to Enlarge
Website Reviews
Loading Reviews...
DIY Solutions Spark Plug Set
Part Number: 3721-07511320
Brand: DIY Solutions
Notes: Spark Plug Set -- V8 5.3L
Condition: New
Spark Plug Type: Platinum
Also Used For: LS Swap
Quantity: 8 Piece
Shipping Options: Free Ground Shipping
$76.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Bosch Spark Plug 3721-05250272 Click to Enlarge
5 Stars
Bosch 9602
Spark Plug
Loading Reviews...
Bosch Spark Plug
Part Number: 3721-05250272
Brand: Bosch
Notes: OE Fine Wire Double Iridium -- Do Not Gap, Gap is Preset; Original equipment is iridium
  • Double Iridium electrodes - iridium firing pin and iridium ground electrode inlay offer higher performance and 4 times longer life compared to standard copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
Condition: New
Center Electrode Tip Material: Iridium
Center Electrode Core Material: Nickel-Yttrium and Copper and Iridium
Ground Electrode Tip Material: Nickel-Yttrium and Iridium
Insulator Material: Ceramic
Package Contents: Spark Plug
Shipping Options: Ground
Must be purchased in quantities of 4
$6.15
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Bosch Spark Plug 3721-05351407 Click to Enlarge
5 Stars
Bosch 8104
Spark Plug
Loading Reviews...
Bosch Spark Plug
Part Number: 3721-05351407
Brand: Bosch
Notes: OE Fine Wire Double Platinum -- Do Not Gap, Gap is Preset; Original equipment is iridium
  • Platinum on the center electrode firing pin and laser welded platinum inlay ground electrode provide 3 times longer life than conventional copper spark plugs
  • OE Fine Wire design requires up to 24% less voltage to ignite
  • 360 degree continuous laser welding increases durability for increased life
  • Copper core provides broader heat range to resist pre-ignition and fouling
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
Condition: New
Center Electrode Tip Material: Platinum
Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum
Ground Electrode Tip Material: Nickel-Yttrium and Platinum
Insulator Material: Ceramic
Package Contents: Spark Plug
Shipping Options: Ground
Must be purchased in quantities of 4
$4.86
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Bosch Spark Plug 3721-05252082 Click to Enlarge
5 Stars
Bosch 6704
Spark Plug
Loading Reviews...
Bosch Spark Plug
Part Number: 3721-05252082
Brand: Bosch
Notes: OE Fine Wire Platinum -- Do Not Gap, Gap is Preset; Original equipment is iridium
  • OE Fine Wire design with Platinum firing pin on the center electrode requires up to 24% less voltage to ignite and up to 2 times longer life compared to standard copper spark plugs
  • Pre-gapped and nickel plated threads allow for quick installation without adjusting the gap or applying anti-seize
  • Tapered ground electrode allows for better ignition throughout the life of the spark plug
Condition: New
Center Electrode Tip Material: Platinum
Center Electrode Core Material: Nickel-Yttrium and Copper and Platinum
Ground Electrode Tip Material: Nickel-Yttrium
Insulator Material: Ceramic
Package Contents: Spark Plug
Shipping Options: Ground
Must be purchased in quantities of 4
$3.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Bosch Spark Plug W0133-1919177 Click to Enlarge
Website Reviews
Loading Reviews...
Bosch Spark Plug
Part Number: W0133-1919177
Brand: Bosch
Notes: OE Finewire Double Iridium - w/ Iridium Design
  • OE design for optimum fit and function
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling
  • Delivers exceptional ignitability and performance
  • Tapered shape ground electrode
  • Laser welded iridium-platinum alloy inlay
  • Nickel-plated shell with rolled threads
  • Anti-seize and corrosion protection
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$11.18
Our Price: $5.85
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Bosch Spark Plug W0133-1937391 Click to Enlarge
5 Stars
Bosch W0133-1937391
Spark Plug
Loading Reviews...
Bosch Spark Plug
Part Number: W0133-1937391
Brand: Bosch
Notes: OE Finewire Platinum - w/ Iridium Design
  • OE design for optimum fit and function
  • Fine wire design delivers improved ignitability and performance life
  • Center electrode is an ultra fine wire design.
  • Copper core provides broader heat range to resist pre-ignition
  • Tapered shape ground electrode reduces flame shrouding for improved combustion
  • Yttrium enhanced to resist wear
  • Nickel-plated shell with rolled threads
  • Ribbed insulator design
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$5.75
Our Price: $3.01
(24) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Champion Spark Plug 3721-09023634 Click to Enlarge
5 Stars
Champion 9405
Spark Plug
Loading Reviews...
Champion Spark Plug
Part Number: 3721-09023634
Brand: Champion
Notes: Champion Iridium -- Plug Type RS12WMPB4; Gap 0.040in; OE Type
Condition: New
Classification: Champion Iridium
Ground Electrode Core Material: Platinum
Center Electrode Tip Material: Iridium
Shipping Options: Ground
$5.76
(16) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Champion Spark Plug 3721-05027492 Click to Enlarge
5 Stars
Champion 401
Spark Plug
Loading Reviews...
Champion Spark Plug
Part Number: 3721-05027492
Brand: Champion
Notes: Copper Plus -- Plug Type RS12YC; Gap 0.040in
Condition: New
Classification: Champion Copper Plus
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Nickel
Shipping Options: Ground
Must be purchased in quantities of 6
$1.93
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Champion Spark Plug 3721-09138303 Click to Enlarge
Website Reviews
Loading Reviews...
Champion Spark Plug
Part Number: 3721-09138303
Brand: Champion
Notes: Double Platinum Power -- Plug Type RS14PMP4; Gap 0.040in
Condition: New
Classification: Champion Double Platinum
Ground Electrode Core Material: Platinum
Center Electrode Tip Material: Platinum
Shipping Options: Ground
$4.90
(14) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
Champion Spark Plug 3721-09023473 Click to Enlarge
Website Reviews
Loading Reviews...
Champion Spark Plug
Part Number: 3721-09023473
Brand: Champion
Notes: Platinum Power -- Plug Type RS14PMC4; Gap 0.040in
Condition: New
Classification: Champion Platinum Power
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Platinum
Shipping Options: Ground
$2.31
(48) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2003 Chevrolet Suburban 1500 5.3L V8
SKP Spark Plug 3721-07484689 Click to Enlarge
Website Reviews
Loading Reviews...
SKP Spark Plug
Part Number: 3721-07484689
Brand: SKP
Notes: Spark Plug -- Gap: .040/1.0mm; Enhanced Tapered Ground Electrode With Platinum Chip
  • Meets or exceeds OEM specifications
  • Rigorous quality control measures
  • 12-month SKP limited warranty
Condition: New
Shipping Options: Free Ground Shipping
$7.63
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: S
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug W0133-1635906 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Spark Plug
Part Number: W0133-1635906
Brand: Denso
Notes: Double Platinum  - w/ Platinum Design
Product Remark: PT16EPR-L13 ND
  • Platinum center electrode
  • Platinum ground electrode
  • Premium shell construction with machine-rolled threads
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency DENSO engineering studies show that Double Platinum plugs can run longer with reduced erosion, minimizing spark gap growth throughout the life of the plug.
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$17.38
Our Price: $7.36
(32) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug W0133-1850286 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Spark Plug
Part Number: W0133-1850286
Brand: Denso
Notes: Iridium Long Life - w/ Iridium Design
Product Remark: ZTJ16R10 ND
  • Fine-wire iridium center electrode
  • Platinum ground electrode
  • 360 degree laser-welded spark tip
  • Sustained spark performance over 100,000 miles
  • Withstands higher pressures and temperatures
  • Reduced spark plug wear and erosion The DENSO Iridium Long Life plug has been selected as original equipment on many of the worlds top cars, including those from GM, Toyota, Honda, and Mitsubishi. There's a simple reason for that: these manufacturers needed the best.
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$15.83
Our Price: $7.98
(24) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug 3721-05052101 Click to Enlarge
5 Stars
Denso 5090
Spark Plug
Loading Reviews...
Denso Spark Plug
Part Number: 3721-05052101
Brand: Denso
Notes: Iridium Long Life -- Gap 0.040; DENSO is O.E. Manufacturer / Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Iridium) with Platinum Ground Strap
Condition: New
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Iridium
Shipping Options: Ground
Must be purchased in quantities of 4
$5.58
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug W0133-1632073 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Spark Plug
Part Number: W0133-1632073
Brand: Denso
Notes: Iridium Power - w/ Platinum Design
Product Remark: Iridium IT16
  • Tapered cut, U-Groove ground electrode
  • 0.4mm iridium center electrode
  • 360-degree laser welding assembly process
  • Required ignition voltage reduced
  • Unsurpassed center electrode durability
  • Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson The Iridium Power plug delivers greater spark energy while demanding significantly less secondary required voltage from the ignition system.
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$19.48
Our Price: $8.38
(90) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug 3721-05169630 Click to Enlarge
5 Stars
Denso 5325
Spark Plug
Loading Reviews...
Denso Spark Plug
Part Number: 3721-05169630
Brand: Denso
Notes: Iridium Power -- Gap 0.044; Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Iridium Alloy (90% Iridium)
Condition: New
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Iridium
Shipping Options: Ground
Must be purchased in quantities of 4
$5.46
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug 3721-05445066 Click to Enlarge
5 Stars
Denso 4713
Spark Plug
Loading Reviews...
Denso Spark Plug
Part Number: 3721-05445066
Brand: Denso
Notes: Iridium TT -- Gap 0.040; Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology
Condition: New
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Iridium
Shipping Options: Ground
Must be purchased in quantities of 4
$6.25
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug 3721-05169545 Click to Enlarge
5 Stars
Denso 4511
Spark Plug
Loading Reviews...
Denso Spark Plug
Part Number: 3721-05169545
Brand: Denso
Notes: Platinum TT -- Gap 0.040; Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap
Condition: New
Ground Electrode Core Material: Nickel
Center Electrode Tip Material: Platinum
Shipping Options: Ground
Must be purchased in quantities of 4
$2.88
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug W0133-1890639 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Spark Plug
Part Number: W0133-1890639
Brand: Denso
Notes: Platinum Twin-Tip - w/ Platinum Design
Product Remark: PT16TT ND
  • Platinum center electrode
  • Platinum ground electrode
  • Premium shell construction with machine-rolled threads
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency DENSO engineering studies show that Double Platinum plugs can run longer with reduced erosion, minimizing spark gap growth throughout the life of the plug.
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$7.80
Our Price: $3.64
(99) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Denso Spark Plug W0133-1642286 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Spark Plug
Part Number: W0133-1642286
Brand: Denso
Notes: U-Groove - w/ Platinum Design
  • 100 percent pre-fired to ensure reliable operation
  • Patented U-Grove ground electrode
  • Bonded; center electrode and insulator for a gas-tight seal
  • Copper core center electrode for superior thermal conductivity
  • Unique five-rib insulator reduces flashover
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for t
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$4.65
Our Price: $1.55
(57) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Chevrolet Suburban 1500
Autolite Spark Plug 3721-09182990 Click to Enlarge
5 Stars
Autolite 5245
Spark Plug
Loading Reviews...
Autolite Spark Plug
Part Number: 3721-09182990
Brand: Autolite
Notes: Copper Resistor Spark Plug -- .040"/1.0mm
  • Autolite Copper Core plugs are designed to meet or exceed OES design requirements.
Condition: New
Center Electrode Core: Copper
Center Electrode Tip Material: Nickel
Ground Electrode Tip Material: Nickel
Shipping Options: Ground
$1.41
(99) In Stock
This Part Fits:
Catalog: H
Vehicle
2003 Chevrolet Suburban 1500
Autolite Spark Plug 3721-09183067 Click to Enlarge
5 Stars
Autolite APP5245
Spark Plug
Loading Reviews...
Autolite Spark Plug
Part Number: 3721-09183067
Brand: Autolite
Notes: Double Platinum Spark Plug -- .040"/1.0mm
  • Autolite Double Platinum plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug.
Condition: New
Center Electrode Core: Copper
Center Electrode Tip Material: Platinum
Ground Electrode Tip Material: Platinum
Shipping Options: Ground
$4.40
(92) In Stock
This Part Fits:
Catalog: H
Vehicle
2003 Chevrolet Suburban 1500
Autolite Spark Plug 3721-09183103 Click to Enlarge
Website Reviews
Loading Reviews...
Autolite Spark Plug
Part Number: 3721-09183103
Brand: Autolite
Notes: Iridium Spark Plug -- Iridium Enhanced Center Electrode. Proprietary V-trimmed Platinum side wire. 0.6mm finewire design.; .040"/1.0mm; OE Style
  • Our best spark plug! Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition.
Condition: New
Center Electrode Core: Copper
Center Electrode Tip Material: Iridium
Ground Electrode Tip Material: Platinum
Shipping Options: Ground
$5.29
(25) In Stock
This Part Fits:
Catalog: H
Vehicle
2003 Chevrolet Suburban 1500
Autolite Spark Plug 3721-09183031 Click to Enlarge
5 Stars
Autolite AP5245
Spark Plug
Loading Reviews...
Autolite Spark Plug
Part Number: 3721-09183031
Brand: Autolite
Notes: Platinum Spark Plug -- .040"/1.0mm
  • Autolite Platinum plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability.
Condition: New
Center Electrode Core: Copper
Center Electrode Tip Material: Platinum
Ground Electrode Tip Material: Nickel
Shipping Options: Ground
$2.45
(93) In Stock
This Part Fits:
Catalog: H
Vehicle
2003 Chevrolet Suburban 1500