How to address issues with the Heater Core on GMC Canyon?

The first step in heater core replacement requires you to uninstall the HVAC module assembly. Starting with both heater core pipes clamp screw and heater core pipes clamp must be uninstalled. The next step includes removing heater core clamp screws followed by the heater core clamp before pulling out the heater core from the HVAC module. Reattach the heater core into the HVAC module through the heater core clamp installation. Put in the heater core clamp screws and tighten each one to 1.9 N.m (17 lb in). Hang the heater core pipes clamp screw and mount the heater core pipes clamp before setting the screw to 20 N.m (15 lb ft). Reinstall the HVAC module assembly as the last step.

How to replace the auxiliary heater core on GMC Yukon?

After pulling out the auxiliary HVAC module from the vehicle one should disconnect the air temperature actuator from its position on the module. The heater core cover must be removed first and the heater core shall be withdrawn from its position in the module. The procedure starts with positioning the new heater core inside the auxiliary HVAC module while reinstalling the heater core cover and the air temperature actuator. Reinstall the auxiliary HVAC module assembly into the car as the final procedure.

How to replace the Heater Core (Delphi) on GMC Sierra 1500?

The replacement process for the heater core (Delphi) starts with HVAC module assembly removal. The following steps require separate screw removal from the heater core cover before removing it from the HVAC module assembly. You should then disconnect the heater core cowl gasket from the heater core and remove the heater core from the HVAC module assembly. Put the heater core into position first in the HVAC module assembly before setting the heater core cowl gasket onto the heater core . Reinstall the heater core cover onto the HVAC module assembly before securing its screws at 2 N.m (18 lb in) torque range. The HVAC module assembly should be installed as the last step.

OEM GMC Heater Core

HVAC Heater Core

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

46 Heater Cores found

View related parts
GMC Heater Core
Part Number: 52478848
$62.91 MSRP: $113.86
You Save: $50.95 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly, Auxiliary Heater; Core, Heater Core
Fits the following GMC Models:
- Yukon XL 1500 | 2000-2006 | Denali, SL, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 2500 | 2000-2006 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
View related parts
GMC Cooler
Part Number: 19130016
$1016.52 MSRP: $1831.56
You Save: $815.04 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Heater, Auxiliary Heater; Fuel Cooler
Fits the following GMC Models:
- Savana 2500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
- Savana 3500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
View related parts
GMC Heater Core
Part Number: 87846569
$105.48 MSRP: $188.36
You Save: $82.88 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Heater; Core, Heater Core
- Replaced by: 85054169
Fits the following GMC Models:
- Hummer EV Pickup | 2022-2023 | 3X, Edition 1 | BATTERY EV (EV/BEV)
View related parts
GMC Heater Core
Part Number: 84903544
$85.30 MSRP: $152.33
You Save: $67.03 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Heater; Core, Heater Core
Fits the following GMC Models:
- Canyon | 2023 | AT4, AT4X, Denali, Elevation | 4 Cyl 2.7 L GAS
View related parts
GMC Heater Core
Part Number: 88892978
$51.74 MSRP: $92.39
You Save: $40.65 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Core, Heater Core; Auxiliary Heater Core
Fits the following GMC Models:
- Envoy | 2002-2005 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XL | 2002-2005 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XUV | 2004-2005 | SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
View More
View related parts
GMC Heater Core
Part Number: 84152912
$146.95 MSRP: $275.96
You Save: $129.01 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Heater; Core, Heater Core
Fits the following GMC Models:
- Terrain | 2018-2021 | Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L DIESEL, 4 Cyl 2.0 L GAS
View related parts
GMC Heater Core
Part Number: 84689022
$49.10 MSRP: $87.68
You Save: $38.58 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Assembly-Auxiliary Heater; Core, Heater Core
Fits the following GMC Models:
- Yukon | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Heater Core
Part Number: 84206592
$87.74 MSRP: $180.31
You Save: $92.57 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Core Kit-Heater; Evaporator Core
- Replaced by: 84760093
Fits the following GMC Models:
- Acadia | 2017-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
View related parts
GMC Heater Core
Part Number: 52452918
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
Fits the following GMC Models:
- C1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C3500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- K1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K3500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View More
View related parts
GMC Heater Core
Part Number: 52498633
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
Fits the following GMC Models:
- Envoy | 2003-2009 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XL | 2003-2006 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XUV | 2004-2005 | SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
View More
View related parts
GMC Heater Core
Part Number: 19131975
Product Specifications
- Other Name: Core, Heater Core; Core
- Replaces: 03037852, 3037852, 52479867
Fits the following GMC Models:
- Caballero | 1984-1987 | Amarillo, Base, Diablo | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
View related parts
GMC Heater Core
Part Number: 52474642
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
Fits the following GMC Models:
- Safari | 1996-2005 | Base, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS
View related parts
GMC Heater Core
Part Number: 19131974
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 03027265, 3027265, 52479865
Fits the following GMC Models:
- C1500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C1500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C2500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- Jimmy | 1984-1991 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K1500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K1500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K2500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K2500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
View More
View related parts
GMC Heater Core
Part Number: 52470828
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
Fits the following GMC Models:
- Jimmy | 1995-1997 | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- Sonoma | 1994-1997 | SL, SLE, SLS | 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
View related parts
GMC Heater Core
Part Number: 19131978
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 03027247, 52479870, 3027247
Fits the following GMC Models:
- C1500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C1500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- C2500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
- Jimmy | 1984-1991 | Base, High Sierra, Sierra Classic | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K1500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K1500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K2500 | 1984-1986 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- K2500 Suburban | 1984-1986 | Base, High Sierra, Sierra Classic | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
View More
View related parts
GMC Heater Core
Part Number: 19131980
Product Specifications
- Other Name: Core, Heater Core; Core
- Replaces: 03037689, 52479872, 3037689
Fits the following GMC Models:
- Caballero | 1984-1987 | Amarillo, Base, Diablo | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
View related parts
GMC Heater Core
Part Number: 52479873
Product Specifications
- Other Name: Core, Heater; Core; Core, Heater Core
- Replaces: 03037531, 3037531
Fits the following GMC Models:
- G1500 | 1984-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G2500 | 1984-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- G3500 | 1984-1996 | Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- P2500 | 1985-1989 | Base, Value Van | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- P3500 | 1985-1996 | Base, Value Van | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View More
View related parts
GMC Heater Core
Part Number: 19131986
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core; Core, Heater Core
- Replaces: 03050142, 52479878, 3050142
Fits the following GMC Models:
- Jimmy | 1992-1994 | Base, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- S15 | 1984-1990 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- S15 Jimmy | 1984-1991 | Base, Gypsy, High Sierra, Sierra Classic, SLE, SLS, SLT, Timberline | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- Sonoma | 1991-1994 | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- Syclone | 1991 | Base | 6 Cyl 4.3 L GAS
- Typhoon | 1992-1993 | Base | 6 Cyl 4.3 L GAS
View More
View related parts
GMC Heater Core
Part Number: 19131990
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core; Core
- Replaces: 52479883, 03049486, 3049486
Fits the following GMC Models:
- Jimmy | 1992-1994 | Base, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- S15 | 1984-1990 | Base, EL, Gypsy, High Sierra, Sierra Classic | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- S15 Jimmy | 1984-1991 | Base, Gypsy, High Sierra, Sierra Classic, SLE, SLS, SLT, Timberline | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- Sonoma | 1991-1994 | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
- Syclone | 1991 | Base | 6 Cyl 4.3 L GAS
- Typhoon | 1992-1993 | Base | 6 Cyl 4.3 L GAS
View More
View related parts
GMC Heater Core
Part Number: 19131976
Product Specifications
- Other Name: Core, Heater; Core; Core, Heater Core
- Replaces: 03037515, 52479868, 3037515
Fits the following GMC Models:
- G1500 | 1984-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G2500 | 1984-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- G3500 | 1984-1996 | Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- P2500 | 1985-1989 | Base, Value Van | 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
- P3500 | 1985-1996 | Base, Value Van | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View More

| Page 1 of 3 |Next >

1-20 of 46 Results

GMC Heater Core Parts Questions & Experts Answers

Heater Core
89019085
Q: How to address issues with the Heater Core on GMC Canyon?
A: The first step in heater core replacement requires you to uninstall the HVAC module assembly. Starting with both heater core pipes clamp screw and heater core pipes clamp must be uninstalled. The next step includes removing heater core clamp screws followed by the heater core clamp before pulling out the heater core from the HVAC module. Reattach the heater core into the HVAC module through the heater core clamp installation. Put in the heater core clamp screws and tighten each one to 1.9 N.m (17 lb in). Hang the heater core pipes clamp screw and mount the heater core pipes clamp before setting the screw to 20 N.m (15 lb ft). Reinstall the HVAC module assembly as the last step.
Heater Core
19258989
Q: How to replace the auxiliary heater core on GMC Yukon?
A: After pulling out the auxiliary HVAC module from the vehicle one should disconnect the air temperature actuator from its position on the module. The heater core cover must be removed first and the heater core shall be withdrawn from its position in the module. The procedure starts with positioning the new heater core inside the auxiliary HVAC module while reinstalling the heater core cover and the air temperature actuator. Reinstall the auxiliary HVAC module assembly into the car as the final procedure.
Heater Core
89018297
Q: How to replace the Heater Core (Delphi) on GMC Sierra 1500?
A: The replacement process for the heater core (Delphi) starts with HVAC module assembly removal. The following steps require separate screw removal from the heater core cover before removing it from the HVAC module assembly. You should then disconnect the heater core cowl gasket from the heater core and remove the heater core from the HVAC module assembly. Put the heater core into position first in the HVAC module assembly before setting the heater core cowl gasket onto the heater core . Reinstall the heater core cover onto the HVAC module assembly before securing its screws at 2 N.m (18 lb in) torque range. The HVAC module assembly should be installed as the last step.