How to Service and Repair a Drive Belt on a 3.8L Engine on 2008 Jeep Wrangler?

Make sure you first turn off the negative battery cable before servicing the 3.8L drive belt. After that, turn the belt tensioner clockwise until it meets its limit, then take out the belt. Once that's done, carefully rotate the tensioner arm up into the free arm position to avoid it snapping back, as that might badly harm the tensioner.

OEM 2008 Jeep Wrangler Drive Belt

Serpentine Belt

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2 Drive Belts found

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2008 Jeep Wrangler Serpentine Belt Part Number: 4593684AA
$54.38 MSRP: $73.70
You Save: $19.32 (27%)
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Product Specifications
- Other Name: Belt - Serpentine; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt Accessory Drive; Belt Serpentine
- Replaces: 4861322AC, 68060352AA, 4892840AA
- Item Weight: 0.90 Pounds
- Item Dimensions: 1.1 x 6.2 x 19.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4593684AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS
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2008 Jeep Wrangler Serpentine Belt Part Number: 53032857AB
$44.66 MSRP: $66.20
You Save: $21.54 (33%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt - Serpentine; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt Accessory Drive; Belt Serpentine
- Item Weight: 0.90 Pounds
- Item Dimensions: 0.9 x 4.1 x 20.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53032857AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Wrangler Submodels:
- 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X | 6 Cyl 3.8 L GAS

2008 Jeep Wrangler Drive Belt Parts and Q&A

Q: How to Service and Repair a Drive Belt on a 3.8L Engine on 2008 Jeep Wrangler?
A: Make sure you first turn off the negative battery cable before servicing the 3.8L drive belt. After that, turn the belt tensioner clockwise until it meets its limit, then take out the belt. Once that's done, carefully rotate the tensioner arm up into the free arm position to avoid it snapping back, as that might badly harm the tensioner.