How to remove and install an air conditioning compressor?

To remove the air conditioning compressor, the system must first be discharged and the cable from the negative battery terminal disconnected. The air intake duct and resonator assembly should be removed on V8 engines, and the drivebelt and air conditioning compressor drivebelt should be taken off. The electrical connector(s) should be disconnected, and the compressor should be thoroughly cleaned around the refrigerant line fittings. The suction and discharge lines should be disconnected, and the compressor mounting bolts should be removed. When installing a new compressor, two ounces of R-134a compatible refrigerant oil should be poured into it prior to installation. The installation process is the reverse of removal, and new seals lubricated with clean refrigerant oil should be used when installing the line fitting bolt to the compressor. Finally, the cable should be reconnected to the negative battery terminal, and the system should be evacuated, recharged, and leak tested.

Genuine GMC Sierra A/C Compressor

Air Conditioning Compressor

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24 A/C Compressors found

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GMC Sierra Air Conditioner Compressor Assembly
Part Number: 89019357
$216.60 MSRP: $661.16
You Save: $444.56 (68%)
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Product Specifications
- Other Name: Compressor Asm,A/C
- Replaces: 1136607, 01136642, 1136642, 89018952, 01136607
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2002 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L
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GMC Sierra Air Conditioner Compressor Assembly
Part Number: 89019400
$346.29 MSRP: $727.50
You Save: $381.21 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor Asm,A/C ; Compressor, Air Conditioning; Compressor
- Replaces: 01136643, 1136643, 01136606, 89018953, 1136606
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 6.6L Diesel
- 1999 GMC Sierra | 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86798574
$302.69 MSRP: $635.89
You Save: $333.20 (53%)
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Product Specifications
- Other Name: Compressor
- Replaced by: 85656961
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON | 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86798582
$286.94 MSRP: $602.82
You Save: $315.88 (53%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Compressor
- Replaced by: 85656967
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2019 GMC Sierra | 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 8 Cyl 6.6L Diesel
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GMC Sierra Compressor Kit, A/C
Part Number: 84730848
$294.39 MSRP: $618.46
You Save: $324.07 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor
- Replaced by: 85656964
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2019 GMC Sierra | 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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GMC Sierra Air Conditioner Compressor (Remanufacture)
Part Number: 19169353
$280.53 MSRP: $589.34
You Save: $308.81 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor Asm,A/C (Remanufacture) ; Compressor, Air Conditioning
- Replaces: 52499047
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 6 Cyl 4.3L, 8 Cyl 6.6L Diesel
- 1999 GMC Sierra | 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
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GMC Sierra Air Conditioner Compressor
Part Number: 10364874
$259.26 MSRP: $595.31
You Save: $336.05 (57%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor Assembly, A/C
- Replaced by: 25891794
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2014 GMC Sierra | 1 TON CREW CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, EXTENDED CAB 1 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 37183465
$445.12 MSRP: $805.64
You Save: $360.52 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor, Compressor Assembly
- Replaced by: 19436043
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2010 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex, 8 Cyl 8.1L
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GMC Sierra COMPRESSOR ASM,A/C
Part Number: 19433085
$212.58 MSRP: $648.88
You Save: $436.30 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor, Compressor Assembly
- Replaced by: 19436025
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2002 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 8.1L
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86811082
$295.84 MSRP: $533.05
You Save: $237.21 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Compressor
- Replaced by: 19436028
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2014 GMC Sierra | 1 TON CREW CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 6.6L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86789839
$285.19 MSRP: $518.52
You Save: $233.33 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor
- Replaced by: 85652448
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 GMC Sierra | CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86798589
$275.81 MSRP: $496.97
You Save: $221.16 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Compressor
- Replaces: 23505622, 84317513
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, CREW CAB 1/2 TON | 8 Cyl 5.3L
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GMC Sierra Air Conditioner Compressor Kit
Part Number: 25880380
$1694.74 MSRP: $3057.90
You Save: $1363.16 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor Kit,A/C; Compressor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 GMC Sierra | CREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86789835
$272.66 MSRP: $491.27
You Save: $218.61 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor
- Replaced by: 85652440
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 GMC Sierra | CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86789831
$277.41 MSRP: $499.83
You Save: $222.42 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor
- Replaced by: 85652436
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 GMC Sierra | CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L
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GMC Sierra Compressor Kit, A/C
Part Number: 84664213
$275.01 MSRP: $495.52
You Save: $220.51 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor
- Replaced by: 85652459
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 GMC Sierra | 6 Cyl 3.0L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 84849910
$254.87 MSRP: $459.22
You Save: $204.35 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Compressor
- Replaced by: 86789853
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2024 GMC Sierra | 8 Cyl 6.2L
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86807272
$288.57 MSRP: $606.24
You Save: $317.67 (53%)
ADD TO CART
Product Specifications
- Other Name: Compressor, Compressor Assembly
- Replaced by: 85692945
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 GMC Sierra | CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.2L Flex
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 86811073
$376.76 MSRP: $791.51
You Save: $414.75 (53%)
ADD TO CART
Product Specifications
- Replaced by: 19436026
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2010 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 6.6L Diesel
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GMC Sierra COMPRESSOR KIT-A/C
Part Number: 85613158
$243.33 MSRP: $438.44
You Save: $195.11 (45%)
Product Specifications
- Replaced by: 85652452
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2024 GMC Sierra | 8 Cyl 5.3L, 8 Cyl 6.2L

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1-20 of 24 Results

GMC Sierra A/C Compressor

The A/C Compressor in GMC Sierra vehicles is important for the climate control system, and particularly for controlling the temperature in the car cabin by cooling it down. It works on the basis of the thermodynamic properties of a refrigerant fluid where the heat is absorbed when the fluid expands and released when compressed. This is very important in as far as the comfort of the interior of the vehicle is concerned. Now turning to the A/C Compressors used in GMC Sierra models is where the overview does not differentiate between the types or styles of the A/C Compressors, it is crucial to know that the compressor is responsible for the pressure changes that are needed for the cooling process. For these vehicles, it is crucial to check on the A/C compressor because of its importance in the general working of the A/C system.

Each OEM GMC Sierra A/C Compressor we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Sierra A/C Compressor Parts Questions & Experts Answers

Air Conditioner Compressor
25891793
Q: How to remove and install an air conditioning compressor?
A: To remove the air conditioning compressor, the system must first be discharged and the cable from the negative battery terminal disconnected. The air intake duct and resonator assembly should be removed on V8 engines, and the drivebelt and air conditioning compressor drivebelt should be taken off. The electrical connector(s) should be disconnected, and the compressor should be thoroughly cleaned around the refrigerant line fittings. The suction and discharge lines should be disconnected, and the compressor mounting bolts should be removed. When installing a new compressor, two ounces of R-134a compatible refrigerant oil should be poured into it prior to installation. The installation process is the reverse of removal, and new seals lubricated with clean refrigerant oil should be used when installing the line fitting bolt to the compressor. Finally, the cable should be reconnected to the negative battery terminal, and the system should be evacuated, recharged, and leak tested.