How to replace the accessory drive belt on Chevrolet Express 2500?

First step for replacing the accessory Drive Belt involves removal of the air cleaner assembly. The next step requires removing the retaining bolt of the coolant recovery reservoir and placing the reservoir to the side. The replacement process requires users to attach the breaker bar with hex-head socket to the Drive Belt tensioner bolt then turn it clockwise to decrease belt tension. First remove the Drive Belt from its placement on the pulleys and from the Drive Belt tensioner. Then use a deliberate approach to reduce the Drive Belt tensioner tension. Clean all pulleys thoroughly before evaluating their belt surfaces when the tensioner bolt breaker bar with socket is detached. When putting the Drive Belt into position start by placing it around all pulleys but the idler pulley. Next use the breaker bar with hex-head socket to loosen the belt tensioner bolt through clockwise rotation. You need to install the Drive Belt below the idler pulley then slowly decrease the belt tensioner pressure through the breaker bar and hex-head socket. Before you position the coolant recovery reservoir you need to inspect and verify proper installation and alignment of the Drive Belt then install the retaining bolt and tighten it to 11 n.m (97 lb in). To complete the task reinstall the air cleaner assembly.

OEM Chevrolet Express 2500 Drive Belt

Serpentine Belt

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20 Drive Belts found

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Chevrolet Express 2500 Serpentine Belt
Part Number: 12642433
$41.46 MSRP: $89.76
You Save: $48.30 (54%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Replaces: 98035630, 97300654
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12626222
$36.80 MSRP: $69.10
You Save: $32.30 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; A/C Belt; Belt, Drive
- Replaces: 12590622
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2015 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12637202
$45.00 MSRP: $98.26
You Save: $53.26 (55%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 12576450, 12554029, 10105314, 12550608, 12569347, 24505041
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12576447
$21.85 MSRP: $41.04
You Save: $19.19 (47%)
ADD TO CART
Product Specifications
- Other Name: Belt, A/C Compressor; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; A/C Belt; Belt, Drive
- Replaces: 12569346, 12554028
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2010 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12637204
$43.97 MSRP: $95.20
You Save: $51.23 (54%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Belt; Belt, Drive
- Replaces: 12557501, 12569348, 12576451
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 97300657
$61.01 MSRP: $108.95
You Save: $47.94 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12576455
$48.82 MSRP: $87.19
You Save: $38.37 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12576453
$51.65 MSRP: $105.92
You Save: $54.27 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Fan, Water Pump, A/C Compressor, Generator, Power Steering Pump; Serpentine Drive Kit.; Fan Belt; Belt; Belt, Drive
- Replaces: 12557719, 12550111, 12564761, 12569350
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 19210691
$38.16 MSRP: $81.30
You Save: $43.14 (54%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt Kit, Drive; Serpentine Belt Drive Kit; Accessory Drive Belt; Serpentine Fit Belt; Drive Belt; V-Belt; A/C Belt; Belt, Drive
- Replaces: 12603509, 19178068
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2020 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12576454
$35.95 MSRP: $61.46
You Save: $25.51 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Fan Belt; Belt, Drive
- Replaces: 12569351, 12564760, 10243936
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12564763
$27.00 MSRP: $62.37
You Save: $35.37 (57%)
ADD TO CART
Product Specifications
- Other Name: Belt, Fan, Water Pump, A/C Compressor, Generator, Power Steering Pump; Serpentine Drive Kit.; Fan Belt; Belt; Belt, Drive
- Replaces: 10243938
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12662028
$37.21 MSRP: $66.45
You Save: $29.24 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12642434
$45.47 MSRP: $81.20
You Save: $35.73 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Replaces: 98064080
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express 2500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12626077
$22.98 MSRP: $41.04
You Save: $18.06 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan & Water Pump & Generator & Power Steering Pump; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Replaced by: 12732503
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12649156
$64.77 MSRP: $115.66
You Save: $50.89 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Fan; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Belt, Drive
- Replaces: 98064079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express 2500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12645868
$21.37 MSRP: $38.16
You Save: $16.79 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, Drive; Serpentine Belt Drive Kit; Drive Belt; V-Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Express 2500 A/C Belt
Part Number: 12679333
$20.71 MSRP: $36.08
You Save: $15.37 (43%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt-Accessory Door Auxiliary; Serpentine Belt Drive Kit; Serpentine Belt; Drive Belt; V-Belt; Belt, Drive
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12555011
Product Specifications
- Other Name: Belt, Fan; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Fan Belt; Belt, Drive
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 8 Cyl 6.5 L DIESEL
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 19355374
Product Specifications
- Other Name: Belt, Fan & Water Pump & Generator & Power Steering Pump; Serpentine Belt Drive Kit; Drive Belt; V-Belt; Fan Belt; Belt; Belt, Drive
- Replaces: 88986815, 12550110, 12564759
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Express 2500 Serpentine Belt
Part Number: 12576452
Product Specifications
- Other Name: Belt, Fan & Water Pump & Generator & Power Steering Pump; Serpentine Drive Kit; Accessory Drive Belt; V-Belt; Belt, Drive
- Replaces: 12557720, 12569349, 24503850
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS

Chevrolet Express 2500 Drive Belt

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Chevrolet Express 2500 Drive Belt Parts Questions & Experts Answers

Serpentine Belt
12637204
Q: How to replace the accessory drive belt on Chevrolet Express 2500?
A: First step for replacing the accessory Drive Belt involves removal of the air cleaner assembly. The next step requires removing the retaining bolt of the coolant recovery reservoir and placing the reservoir to the side. The replacement process requires users to attach the breaker bar with hex-head socket to the Drive Belt tensioner bolt then turn it clockwise to decrease belt tension. First remove the Drive Belt from its placement on the pulleys and from the Drive Belt tensioner. Then use a deliberate approach to reduce the Drive Belt tensioner tension. Clean all pulleys thoroughly before evaluating their belt surfaces when the tensioner bolt breaker bar with socket is detached. When putting the Drive Belt into position start by placing it around all pulleys but the idler pulley. Next use the breaker bar with hex-head socket to loosen the belt tensioner bolt through clockwise rotation. You need to install the Drive Belt below the idler pulley then slowly decrease the belt tensioner pressure through the breaker bar and hex-head socket. Before you position the coolant recovery reservoir you need to inspect and verify proper installation and alignment of the Drive Belt then install the retaining bolt and tighten it to 11 n.m (97 lb in). To complete the task reinstall the air cleaner assembly.