How to Service a Drive Belt on a 3.7L Engine on 2008 Jeep Commander?

To service the accessory drive belt on a 3.7L engine, disconnect the negative battery cable. Rotate the belt tensioner clockwise to remove the belt, then slowly return the tensioner to its free-arm position, ensuring it doesn't snap back to avoid damaging the tensioner.

OEM 2008 Jeep Commander Drive Belt

Serpentine Belt

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3 Drive Belts found

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2008 Jeep Commander Serpentine Belt Part Number: 55111074AC
$24.19 MSRP: $48.85
You Save: $24.66 (51%)
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Product Specifications
- Other Name: Cap - Coolant Recovery Bottle; Engine, Washer, Radiator Caps; Serpentine & V-Belts; Reservoir Cap; Filler Cap; Reservoir Tank Cap; Recovery Tank Cap; Cap
- Replaces: 55111074AA, 4682828, 5017468AA, 55111074AB
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 55111074AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2008 Jeep Commander Submodels:
- Limited, Overland, Sport | 3.7L V6, 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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2008 Jeep Commander Belt - Serpentine Part Number: 68027636AB
$52.48 MSRP: $77.95
You Save: $25.47 (33%)
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Product Specifications
- Other Name: BELT-SERPENTINE
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68027636AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following 2008 Jeep Commander Submodels:
- Limited, Sport | 3.7L V6, 4.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
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2008 Jeep Commander Serpentine Belt Part Number: 68495977AA
$46.13 MSRP: $62.50
You Save: $16.37 (27%)
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Product Specifications
- Other Name: Belt - Serpentine; Serpentine Belt Drive Kit; Drive Belt; V-Belt
- Replaces: 53013676AB, 53013676AC
- Item Weight: 1.40 Pounds
- Item Dimensions: 12.5 x 8.2 x 6.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68495977AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Commander Submodels:
- Limited, Overland | 5.7L V8, 8 Cyl 5.7 L GAS

2008 Jeep Commander Drive Belt Parts and Q&A

Q: How to Service a Drive Belt on a 3.7L Engine on 2008 Jeep Commander?
A: To service the accessory drive belt on a 3.7L engine, disconnect the negative battery cable. Rotate the belt tensioner clockwise to remove the belt, then slowly return the tensioner to its free-arm position, ensuring it doesn't snap back to avoid damaging the tensioner.