How to Install a Belt Tensioner on a 3.8L Engine on Jeep Wrangler?

For the 3.8L engine, fit the accessory drive belt tensioner's indexing line with the head of the appropriate bolt on the front cover and add the bolt, tightening it to 41 Nm (30 ft. lbs.). After you have the tensioner in place, go ahead and install the drive belt.

How to Install a Belt Tensioner for a 3.7L Engine on Jeep Grand Cherokee?

Put the tensioner's slot on the back at the same angle as the front cover's bolt head, then install the mounting bolt with 41 Nm (30 ft. lbs.) force. After that, fix the drive belt and ensure the belt indexing marks are aligned afterward.

OEM Jeep Belt Tensioner

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37 Belt Tensioners found

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Jeep Serpentine Tensioner Part Number: 4627038AA
$247.52 MSRP: $375.00
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Tensioner; Tensioner Belt; Belt Tensioner
Fits the following Jeep Models:
- Wrangler | 2012-2017 | 75th Anniversary, Rubicon, Sahara, Sport, Sport S, Unlimited 75th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S | 6 Cyl 3.6 L GAS
- Wrangler JK | 2018 | Rubicon, Sahara, Sport, Sport S, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited Sport S | 6 Cyl 3.6 L GAS
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Jeep Serpentine Tensioner Part Number: 4627533AC
$135.88 MSRP: $202.00
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Tensioner; Tensioner Belt; Belt Tensioner
- Replaces: 4627533AB
Fits the following Jeep Models:
- Cherokee | 2014-2022 | 75th Anniversary, 80th Anniversary, Altitude, High Altitude, Latitude, Latitude Lux, Latitude Plus, Limited, Overland, Sport, Trailhawk, Trailhawk Elite, Upland, X | 3.2L V6, 6 Cyl 3.2 L GAS
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Jeep Belt Tensioner Part Number: 4781570AB
$147.11 MSRP: $221.00
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Product Specifications
- Other Name: Tensioner - Belt; Engine Timing Belt Tensioner; Serpentine Drive Kit; Timing Belt Kit; Tensioner Pulley; Tensioner Pulley Bracket; Tensioner; Tensioner Belt; Timing Belt Tensioner
Fits the following Jeep Models:
- Liberty | 2003-2005 | Sport | 4 Cyl 2.4 L GAS
- Wrangler | 2003-2006 | SE | 4 Cyl 2.4 L GAS
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Jeep Belt Tensioner Part Number: 4854089AB
$99.02 MSRP: $149.00
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner Belt
- Replaces: 4854089
Fits the following Jeep Models:
- Grand Cherokee | 1999-2004 | Laredo, Limited, Special Edition, Sport | 4.0L V6, 6 Cyl 4.0 L GAS
- Wrangler | 2003-2006, 2000 | 65th Anniversary Edition, Rubicon, Sahara, SE, Sport, Unlimited, Unlimited Rubicon, X | 4.0L V6, 6 Cyl 4.0 L GAS
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Jeep Belt Tensioner Part Number: 4891595AE
$95.46 MSRP: $142.00
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Product Specifications
- Other Name: Tensioner - Belt, Accessory Drive Tensioner, Serpentine Kit, Automatic Tensioner, Idler Pulley; Tension Pulley; Serpentine Tensioner; Tensioner; Tensioner Belt; Drive Belt Tensioner
- Replaces: 4891595AD, 4891595AC, 4891595AB
Fits the following Jeep Models:
- Compass | 2007-2017 | 75th Anniversary, Altitude, Base, High Altitude, Latitude, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Patriot | 2007-2017 | 75th Anniversary, Latitude, Latitude X, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Jeep Belt Tensioner Part Number: 53030958AC
$88.55 MSRP: $136.00
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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
Fits the following Jeep Models:
- Commander | 2006-2008 | 65th Anniversary Edition, Base, Limited, Sport | 4.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
- Grand Cherokee | 2005-2009 | 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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Jeep 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
Fits the following Jeep Models:
- Commander | 2006-2010 | 65th Anniversary Edition, Base, Limited, Sport | 3.7L V6, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
- Grand Cherokee | 2005-2010 | 65th Anniversary Edition, Laredo, Limited | 3.7L V6, 6 Cyl 3.7 L GAS
- Liberty | 2004-2012 | 65th Anniversary Edition, Jet, Limited, Renegade, Rocky Mountain Edition, Sport | 3.7L V6, 6 Cyl 3.7 L GAS
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Jeep Belt Tensioner Part Number: 68040206AA
$234.26 MSRP: $356.00
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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
Fits the following Jeep Models:
- Grand Cherokee | 2007-2009 | Laredo, Limited, Overland | 3.0L V6, 6 Cyl 3.0 L DIESEL
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Jeep Serpentine Tensioner Part Number: 68325057AA
$292.83 MSRP: $447.00
You Save: $154.17 (35%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Tensioner; Tensioner Belt; Belt Tensioner
- Replaces: 68148386AA
Fits the following Jeep Models:
- Grand Cherokee | 2011-2019 | High Altitude, Limited, Overland, Summit, Trailhawk | 3.0L V6, 6 Cyl 3.0 L DIESEL
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Jeep Belt Tensioner Part Number: 5184617AD
$317.14 MSRP: $484.00
You Save: $166.86 (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; Accessory Drive Belt Tensioner; Drive Belt Tensioner
- Replaces: 5184617AC, 5184617AB
Fits the following Jeep Models:
- Grand Cherokee | 2011-2015 | Laredo, Limited, Overland, Overland Summit, Summit | 3.6L V6, 6 Cyl 3.6 L FLEX
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Jeep Belt Tensioner Part Number: 5281266AA
$91.02 MSRP: $136.00
You Save: $44.98 (34%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner Belt
Fits the following Jeep Models:
- Grand Cherokee | 2016-2025 | 75th Anniversary, 80th Anniversary, Altitude, Altitude X, High Altitude, Laredo, Laredo E, Laredo X, Limited, Limited X, Overland, Summit, Summit Reserve, Trailhawk, Upland | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Grand Cherokee L | 2021-2025 | Altitude, Altitude X, Laredo, Laredo X, Limited, Overland, Summit, Summit Reserve | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Grand Cherokee WK | 2022 | Laredo E, Laredo X, Limited | 6 Cyl 3.6 L FLEX
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Jeep 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
Fits the following Jeep Models:
- Commander | 2007-2010 | Limited, Overland, Sport | 8 Cyl 5.7 L GAS
- Grand Cherokee | 2006-2023 | 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
- Grand Cherokee L | 2021-2024 | Overland, Summit, Summit Reserve | 8 Cyl 5.7 L GAS
- Grand Wagoneer | 2022-2023 | Base, Obsidian, Series I, Series II, Series III, Series III Obsidian | 8 Cyl 6.4 L GAS
- Wrangler | 2021-2024 | Unlimited Rubicon 392 | 8 Cyl 6.4 L GAS
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Jeep Tensioner Part Number: 5142798AA
$129.15 MSRP: $194.00
You Save: $64.85 (34%)
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Product Specifications
- Other Name: Tensioner - Belt; Engine Timing Belt Tensioner; Timing Tensioner; Timing Belt Kit; Tensioner Belt
Fits the following Jeep Models:
- Liberty | 2005-2006 | Limited, Sport | 4 Cyl 2.8 L DIESEL
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Jeep Belt Tensioner Part Number: 53032860AA
$94.33 MSRP: $140.00
You Save: $45.67 (33%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner Belt
Fits the following Jeep Models:
- Wrangler | 2007-2011 | 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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Jeep Belt Tensioner Part Number: 4861277AD
$97.70 MSRP: $145.00
You Save: $47.30 (33%)
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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
Fits the following Jeep Models:
- Liberty | 2002-2005 | Sport | 4 Cyl 2.4 L GAS
- Wrangler | 2003-2006 | SE | 4 Cyl 2.4 L GAS
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Jeep Belt Tensioner Part Number: 68201164AA
$130.27 MSRP: $194.00
You Save: $63.73 (33%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner Belt
Fits the following Jeep Models:
- Renegade | 2015-2018 | 75th Anniversary, Altitude, Latitude, Sport | 4 Cyl 1.4 L GAS
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Jeep Belt Tensioner Part Number: 5281453AB
$156.83 MSRP: $207.00
You Save: $50.17 (25%)
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Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner; Tensioner Belt
- Replaces: 5281453AA
Fits the following Jeep Models:
- Gladiator | 2020-2025 | 80th Anniversary, Altitude, Freedom, High Altitude, Launch Edition, Mojave, Mojave X, NightHawk, Overland, Rubicon, Rubicon X, Sport, Sport S, Texas Trail, Willys, Willys Sport | 6 Cyl 3.6 L GAS
- Wrangler | 2018-2025 | Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited Freedom, Unlimited High Altitude, Unlimited Islander, Unlimited Moab, Unlimited Rubicon, Unlimited Rubicon X, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport | 3.6L V6, 6 Cyl 3.6 L GAS
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Jeep Belt Tensioner Part Number: 53011558AA
$262.99 MSRP: $399.00
You Save: $136.01 (35%)
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Product Specifications
- Other Name: Tensioner - Supercharger Drive Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Serpentine Tensioner; Tensioner
- Replaces: 68222744AE, 68222744AC, 68222744AB, 68222744AD
Fits the following Jeep Models:
- Grand Cherokee | 2018-2021 | Trackhawk | 6.2L V8, 8 Cyl 6.2 L GAS
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Jeep Belt Tensioner Part Number: 68414863AA
$60.71 MSRP: $91.15
You Save: $30.44 (34%)
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Product Specifications
- Other Name: Tensioner - Belt; Serpentine Tensioner; Tensioner Belt
Fits the following Jeep Models:
- Renegade | 2019-2023 | 80th Anniversary, Altitude, High Altitude, Latitude, Limited, Red, Sport, Trailhawk, Upland | 4 Cyl 1.3 L GAS
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Jeep Serpentine Tensioner Part Number: 53010158AC
Product Specifications
- Other Name: Tensioner - Belt; Accessory Drive Belt Tensioner Assembly; Serpentine Belt Drive Kit; Automatic Belt Tensioner.; Tensioner
- Replaces: 53010158AB
Fits the following Jeep Models:
- Grand Cherokee | 1993-1998 | 5.9 Limited, Base, Laredo, Limited, Orvis, SE, TSi | 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS
- Grand Wagoneer | 1993 | Base | 8 Cyl 5.2 L GAS

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Jeep Belt Tensioner

OEM parts sourced directly from Jeep deliver superior quality, long lasting strength, and a precise fit you can trust. Each item goes through strict quality checks to ensure safety, toughness, and performance that matches your factory equipment. At JeepPartsDeal online shop, you'll get top-quality, budget-friendly OEM Jeep Belt Tensioner for your vehicle. We focus on giving you a high standard without pushing up the price. Our full selection of genuine factory products comes backed by the original manufacturer's warranty. You'll love our fast delivery, seamless shopping experience, and convenient return policy, saving you all the hassle.

Jeep Belt Tensioner ensures that the engine belts get tight so that they do not slip and damage other important components. Jeep rides on a war-created mentality that appreciates rough practicality, outdoor adventure, and a faithful following that welcomes new entrants with a wave rather than slick brochures, and the go-anywhere capability that makes family runs useful. Jeep owners can hit mud, snow, or sand and roll the Selec-Terrain dial without having to think twice and enjoy the fact that the system puts control at their fingertips within seconds. Jeep cabins currently combine rough grab handles with touch screens, voice functions, and over-the-air updates that keep adventure rigs modern as they commute through suburbia throughout the day to get maps, playlists, and trail information. The culture of Jeep values simple hardware, and thus customers believe the brand combines rock-ready suspension with daily-driving comfort instead of stashing it in forgotten mission statements during dusty summer weekends. The Belt Tensioner applies optimum load on the serpentine belt with the help of a spring-loaded arm, low-friction pulley, and rigid base, connecting crankshaft power to the alternator, water pump, and other components and crushing slack that would squeal, overheat, or snap with an increase in the revs. Compared to a healthy Belt Tensioner which maintains the same tension despite changes in loads, a responsive Belt Tensioner reduces vibration which tears belt edges, and service-grade Belt Tensioner endures millions of cycles due to its corrosion-resistant spring steel and close bearing tolerances, ensuring fewer surprises on long backroad hauls by their owners.

Jeep Belt Tensioner Parts and Q&A

Belt Tensioner
53032860AA
Q: How to Install a Belt Tensioner on a 3.8L Engine on Jeep Wrangler?
A:
For the 3.8L engine, fit the accessory drive belt tensioner's indexing line with the head of the appropriate bolt on the front cover and add the bolt, tightening it to 41 Nm (30 ft. lbs.). After you have the tensioner in place, go ahead and install the drive belt.
Belt Tensioner
53030958AC
Q: How to Install a Belt Tensioner for a 3.7L Engine on Jeep Grand Cherokee?
A:
Put the tensioner's slot on the back at the same angle as the front cover's bolt head, then install the mounting bolt with 41 Nm (30 ft. lbs.) force. After that, fix the drive belt and ensure the belt indexing marks are aligned afterward.