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2003 GMC Envoy Heater Core

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APDI Heater Core - Front
APDI logo APDI Heater Core Click to Enlarge
(Read reviews)
Our List Price: $32.43
(13) In Stock
Part Number: 3903-05140462
Notes: Heater Core
Position: Front
Condition: New

Construction Aluminum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

APDI Heater Core - Rear
APDI logo APDI Heater Core Click to Enlarge
(Read reviews)
Our List Price: $38.43
(5) In Stock
Part Number: 3903-05466614
Notes: Heater Core -- With Block Connection
Position: Rear
Condition: New

Construction Aluminum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

APDI Heater Core - Rear
APDI logo APDI Heater Core Click to Enlarge
(Read reviews)
Our List Price: $61.43
(2) In Stock
Part Number: 3903-05548335
Notes: Heater Core -- Without Block Connection
Position: Rear
Condition: New

Construction Aluminum

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

TYC Heater Core - Front
TYC logo
TYC Heater Core
Click to Enlarge
(Read reviews)
Our List Price: $35.98
(1) In Stock
Part Number: 3903-07834344
Notes: HVAC Heater Core
Position: Front
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: N
Vehicle
2003 GMC Envoy

AC Delco Heater Core
AC Delco logo AC Delco Heater Core Click to Enlarge
(Read reviews)
Product List Price:
$151.60
Our List Price: $136.58
(1) In Stock
Part Number: W0133-1695306
Notes: Genuine GM
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
OEM
This Part Fits: Catalog: A
Vehicle
2003 GMC Envoy

AC Delco Heater Core
AC Delco logo AC Delco Heater Core Click to Enlarge
(Read reviews)
Our List Price: $69.43
(3) In Stock
Part Number: 3903-05401525
Notes: HVAC Heater Core -- New; A/C FRONT AUTO/AUX CONTROL (CJ2), A/C FRONT MAN/AUX CONTROL (CJ3)
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

Spectra Premium Heater Core - Rear
Spectra Premium logo Spectra Premium Heater Core Click to Enlarge
(Read reviews)
Our List Price: $73.08
(2) In Stock
Part Number: 3903-09121254
Notes: HVAC Heater Core -- With Block Fitting Connections
Position: Rear
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle
2003 GMC Envoy

Spectra Premium Heater Core - Rear
Spectra Premium logo Spectra Premium Heater Core Click to Enlarge
(Read reviews)
Our List Price: $69.43
(58) In Stock
Part Number: 3903-05484633
Notes: HVAC Heater Core -- Without Block Fitting Connections
Position: Rear
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

GPD Heater Core - Front
GPD logo GPD Heater Core Click to Enlarge
(Read reviews)
Our List Price: $36.43
(14) In Stock
Part Number: 3903-05332320
Notes: HVAC Heater Core
Features:
  • Designed to meet or exceed OE fit, form, and function
  • Heater cores transfer heat from the engine's cooling system to the inside of the vehicle. Thermostat housing and water outlets are connections that transfer coolant between the radiator and the engine block and generally house the thermostat.
  • Durability tested on every new design
  • Direct fit replacement
  • Durable, quality plastic construction
Position: Front
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 GMC Envoy 4.2L 6 Cyl 

UAC Heater Core - Front
UAC logo UAC Heater Core Click to Enlarge
(Read reviews)
Our List Price: $50.43
(22) In Stock
Part Number: 3903-05865305
Notes: Heater Core Aluminum
Position: Front
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

UAC Heater Core - Rear
UAC logo UAC Heater Core Click to Enlarge
(Read reviews)
Our List Price: $66.43
(18) In Stock
Part Number: 3903-05767225
Notes: Heater Core Aluminum
Position: Rear
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle
2003 GMC Envoy

OSC Automotive Heater Core - Front
OSC Automotive logo OSC Automotive Heater Core Click to Enlarge
(Read reviews)
Our List Price: $41.43
(20) In Stock
Part Number: 3903-05650578
Notes: HVAC Heater Core
Position: Front
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 GMC Envoy 4.2L 6 Cyl 

CARQUEST Heater Core
CARQUEST Heater Core Click to Enlarge
(Read reviews)
Product List Price:
$133.52
Our List Price: $54.58

Out of Stock
Part Number: W0133-2435982
Condition: New

Shipping Options:
Ground, Overnight, 2 Day
This Part Fits: Catalog: A
Vehicle
2003 GMC Envoy

Spectra Premium Heater Core - Front
Spectra Premium logo Spectra Premium Heater Core Click to Enlarge
(Read reviews)
Our List Price: $41.08

Out of Stock
Part Number: 3903-09120987
Notes: HVAC Heater Core
Position: Front
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle
2003 GMC Envoy



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