How to Maintain the Belt Tensioner for a 3.7L Engine on 2008 Jeep Grand Cherokee?

You should take off the accessory drive belt before servicing the tensioner on any 3.7L engine. After that, remove the tensioner assembly from the front cover of the engine. Since the spring in the automatic tensioner applies a lot of tension, it should not be opened; instead, the pulley is the only part that is serviced separately.

OEM 2008 Jeep Grand Cherokee Belt Tensioner

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4 Belt Tensioners found

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2008 Jeep Grand Cherokee Belt Tensioner Part Number: 53030958AG
$88.72 MSRP: $135.00
You Save: $46.28 (35%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Tensioner; Tensioner; Tensioner Belt
- Replaces: 53030958AE, 53030958AD
- Item Weight: 2.70 Pounds
- Item Dimensions: 6.9 x 7.2 x 7.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53030958AG
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Grand Cherokee Submodels:
- 65th Anniversary Edition, Laredo, Limited | 3.7L V6, 6 Cyl 3.7 L GAS
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2008 Jeep Grand Cherokee Belt Tensioner Part Number: 53030958AC
$88.55 MSRP: $136.00
You Save: $47.45 (35%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Automatic Belt Tensioner; Serpentine Tensioner; Tensioner; Tensioner Belt; Drive Belt Tensioner
- Replaces: 68045800AA
- Item Weight: 2.60 Pounds
- Item Dimensions: 5.9 x 6.9 x 6.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 53030958AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Grand Cherokee Submodels:
- 65th Anniversary Edition, Laredo, Limited | 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 Grand Cherokee Belt Tensioner Part Number: 4861660AA
$124.65 MSRP: $188.00
You Save: $63.35 (34%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory/Drive Tensioner; Serpentine Kit; Automatic Pulley; Serpentine Tensioner; Tensioner; Tensioner Belt; Drive Belt Tensioner
- Replaces: 4593817AB
- Item Weight: 2.60 Pounds
- Item Dimensions: 4.0 x 3.8 x 8.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4861660AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2008 Jeep Grand Cherokee Submodels:
- High Altitude, Laredo, Limited, Limited X, Overland, Overland Summit, SRT, SRT8, Summit, Summit Reserve, Trackhawk, Trailhawk | 5.7L V8, 6.1L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS, 8 Cyl 6.2 L GAS, 8 Cyl 6.4 L GAS
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2008 Jeep Grand Cherokee Belt Tensioner Part Number: 68040206AA
$234.26 MSRP: $356.00
You Save: $121.74 (35%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Tensioner Lever, V-Ribbed Belt; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner Belt
- Replaces: 5175588AA
- Item Weight: 3.20 Pounds
- Item Dimensions: 7.8 x 4.6 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 68040206AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2008 Jeep Grand Cherokee Submodels:
- Laredo, Limited, Overland | 3.0L V6, 6 Cyl 3.0 L DIESEL

2008 Jeep Grand Cherokee Belt Tensioner Parts and Q&A

Q: How to Maintain the Belt Tensioner for a 3.7L Engine on 2008 Jeep Grand Cherokee?
A: You should take off the accessory drive belt before servicing the tensioner on any 3.7L engine. After that, remove the tensioner assembly from the front cover of the engine. Since the spring in the automatic tensioner applies a lot of tension, it should not be opened; instead, the pulley is the only part that is serviced separately.