What is the purpose and inspection process for a serpentine belt?

The serpentine belt is found in front of the engine and is essential for driving the engine and its components. In view of what it does and how it is made, this belt should be checked regularly. The serpentine belt drives the alternator, power steering pump, water pump and air conditioning compressor. With the engine not running, lift the hood and feel along the belt for any cracks or separations in the belts layers using your fingers (and a flashlight if needed). Also check for fraying and glazing that gives the belt a glossy appearance. You may have to twist the belt in order to inspect both sides of it. Inspect its lower side as well. They should all look similar, with none of them having an uneven surface. The tensioner system uses a spring-loaded tensioner assembly and cannot be adjusted manually. Replace this part when you can see that mark on moving part of the tensioner has moved out of range on stationary part of tensioner. To fit a new one turn the tensioner to allow release of a belt's pressure . This will entail removing it from such devices as a tension and auxiliary components, thereafter allowing slow release of a tensioner until it gets slack enough for removal of the belt. Route new belt over various pulleys again rotateingtensionerto permit installation thenreleasebelt's tensioners To replace faulty pulley/bearing, binding or lack of springiness on a tensioner remove mounting bolts. Follow reverse process during installation.

Genuine GMC Yukon Drive Belt

Serpentine Belt

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33 Drive Belts found

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GMC Yukon Belt Kit, A/C Compressor
Part Number: 12658178
$54.15 MSRP: $89.84
You Save: $35.69 (40%)
ADD TO CART
Product Specifications
- Other Name: BELT KIT, Drive; AC Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2021 GMC Yukon | 1/2 TON, 1500 4 DOOR, 1500 4 DOOR SUV, 1500 4 DOOR UTILITY, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Yukon Belt,Fan
Part Number: 98035628
$39.60 MSRP: $101.94
You Save: $62.34 (62%)
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Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 97300656
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2004 GMC Yukon | 3/4 TON, XL 3/4 TON
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GMC Yukon Belt, Fan
Part Number: 12642433
$47.57 MSRP: $85.32
You Save: $37.75 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 98035630, 97300654
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 GMC Yukon | 3/4 TON, XL 3/4 TON
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GMC Yukon Belt, Water Pump & Generator
Part Number: 12626076
$20.49 MSRP: $36.76
You Save: $16.27 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Alternator Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 GMC Yukon | 1500 4 DOOR, 1500 4 DOOR SUV, 1500 4 DOOR UTILITY | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Yukon Belt,Fan & Water Pump & Generator & P/S Pump
Part Number: 12626222
$36.97 MSRP: $66.32
You Save: $29.35 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Drive Belt, Serpentine Belt
- Replaces: 12590622
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2014 GMC Yukon | 1/2 TON, 3/4 TON, XL 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 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
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GMC Yukon Belt, Fan & Water Pump & Generator & P/S Pump
Part Number: 12637204
$50.92 MSRP: $91.36
You Save: $40.44 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Drive Belt, Serpentine Belt
- Replaces: 12557501, 12569348, 12576451
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 GMC Yukon | 1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
GMC Yukon Belt Kit,A/C Compressor
Part Number: 19210691
$46.45 MSRP: $81.30
You Save: $34.85 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; AC Belt
- Replaces: 19178068, 12603509
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 GMC Yukon | 1/2 TON, 3/4 TON, XL 3/4 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L Flex
View related parts
GMC Yukon Belt, Fan & Water Pump & Generator & P/S Pump
Part Number: 12637202
$52.56 MSRP: $94.30
You Save: $41.74 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Drive Belt, Serpentine Belt
- Replaces: 10105314, 12550608, 12569347, 24505041, 12554029, 12576450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2006 GMC Yukon | 1/2 TON, 3/4 TON, XL 1/2 TON, XL 3/4 TON, YUKON/DENALI/ESCALADE | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
View related parts
GMC Yukon Belt, Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12636138
$40.82 MSRP: $74.23
You Save: $33.41 (46%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Drive Belt, Serpentine Belt
- Replaces: 12576747, 12569434
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Yukon | 3/4 TON, XL 3/4 TON | 8 Cyl 8.1L
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GMC Yukon Belt, Fan & Water Pump & A/C Compressor & Generator & P/S P
Part Number: 12576455
$48.60 MSRP: $87.19
You Save: $38.59 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 GMC Yukon | 1/2 TON, YUKON/DENALI/ESCALADE
View related parts
GMC Yukon Belt,Fan & Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12576453
$49.22 MSRP: $88.26
You Save: $39.04 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Fan Belt, Serpentine Belt
- Replaces: 12557719, 12564761, 12569350, 12550111
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 GMC Yukon | 1/2 TON, YUKON/DENALI/ESCALADE
View related parts
GMC Yukon Belt,Fan & P/S Pump
Part Number: 19244944
$31.04 MSRP: $55.68
You Save: $24.64 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Serpentine Belt
- Replaces: 10189265
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 GMC Yukon | CLASSIC 2 DOOR 1/2 TON, CLASSIC 4 DOOR 1/2 TON | 8 Cyl 5.7L
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GMC Yukon Belt,Fan
Part Number: 97300653
$52.39 MSRP: $93.98
You Save: $41.59 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 GMC Yukon | 3/4 TON, XL 3/4 TON
View related parts
GMC Yukon Belt, Fan
Part Number: 12637200
$56.33 MSRP: $102.42
You Save: $46.09 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; AC Belt, Drive Belt, Serpentine Belt
- Replaces: 12576448
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2013 GMC Yukon | YUKON/DENALI/ESCALADE | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
- 2004-2006 GMC Yukon | YUKON/DENALI/ESCALADE | 8 Cyl 5.3L
View related parts
GMC Yukon Belt, Fan
Part Number: 97300655
$41.02 MSRP: $73.57
You Save: $32.55 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 GMC Yukon | 3/4 TON, XL 3/4 TON
View related parts
GMC Yukon Belt, Fan
Part Number: 97223129
$38.42 MSRP: $54.73
You Save: $16.31 (30%)
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 GMC Yukon | XL 3/4 TON
View related parts
GMC Yukon Belt, Fan
Part Number: 97223131
$47.62 MSRP: $109.46
You Save: $61.84 (57%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 GMC Yukon | XL 3/4 TON
View related parts
GMC Yukon Belt,Fan
Part Number: 97223130
$47.11 MSRP: $108.30
You Save: $61.19 (57%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 GMC Yukon | XL 3/4 TON
View related parts
GMC Yukon Belt, Acsry Dr Prim
Part Number: 55490583
$6.57 MSRP: $11.78
You Save: $5.21 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021 GMC Yukon | 1/2 TON, YUKON XL/DENALI XL/ESCALADE ESV, YUKON/DENALI/ESCALADE | 6 Cyl 3.0L Diesel
View related parts
GMC Yukon Belt,Fan & Water Pump & Generator & P/S Pump
Part Number: 12576761
Product Specifications
- Other Name: BELT, Drive; Belt, Drive Belt, Serpentine Belt
- Replaces: 12569433
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2006 GMC Yukon | 3/4 TON, XL 3/4 TON | 8 Cyl 8.1L

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GMC Yukon Drive Belt Parts Questions & Experts Answers

Belt, Fan
12637200
Q: What is the purpose and inspection process for a serpentine belt?
A: The serpentine belt is found in front of the engine and is essential for driving the engine and its components. In view of what it does and how it is made, this belt should be checked regularly. The serpentine belt drives the alternator, power steering pump, water pump and air conditioning compressor. With the engine not running, lift the hood and feel along the belt for any cracks or separations in the belts layers using your fingers (and a flashlight if needed). Also check for fraying and glazing that gives the belt a glossy appearance. You may have to twist the belt in order to inspect both sides of it. Inspect its lower side as well. They should all look similar, with none of them having an uneven surface. The tensioner system uses a spring-loaded tensioner assembly and cannot be adjusted manually. Replace this part when you can see that mark on moving part of the tensioner has moved out of range on stationary part of tensioner. To fit a new one turn the tensioner to allow release of a belt's pressure . This will entail removing it from such devices as a tension and auxiliary components, thereafter allowing slow release of a tensioner until it gets slack enough for removal of the belt. Route new belt over various pulleys again rotateingtensionerto permit installation thenreleasebelt's tensioners To replace faulty pulley/bearing, binding or lack of springiness on a tensioner remove mounting bolts. Follow reverse process during installation.