What does a belt tensioner do?

A belt tensioner keeps the accessory drive belt at the correct tightness. This ensures that components like the alternator, power steering pump, and air conditioning compressor spin reliably without slipping.

What are the pulley dimensions?

The tensioner pulley has a 76 mm outer diameter and a 28.7 mm width. The idler pulley is 90 mm in outer diameter and 27 mm in width.

What is the warranty on this part?

This Omix belt tensioner assembly comes with a limited 5-year warranty from the manufacturer.

Specifications

Brand: OMIX
Part #: 17112.51
UPC: 804314159504

OMIX

Omix Belt Tensioner W/Idler- 99-12 WJ/KJ/KK/WK/XK

Name: Omix Belt Tensioner W/Idler- 99-12 WJ/KJ/KK/WK/XK
Brand: OMIX
SKU: omix-omix-belt-tensioner-w-idler-99-12-wj-kj-kk-wk-xk-t14-441787
Price: 83.57 USD
Availability: BackOrder

$83.57

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1999-2004 Jeep Grand Cherokee. This Omix belt tensioner with idler pulley keeps your accessory drive belt properly tightened for reliable operation.

Key Features

Fits 1999-2004 Jeep Grand Cherokee WJ.
Includes both the belt tensioner and idler pulley.
Tensioner pulley measures 76 mm OD x 28.7 mm width.
Idler pulley measures 90 mm OD x 27 mm width.
Helps extend the life of the accessory drive belt and bearings.
Direct fit replacement for OE part 53030958AB.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will it fit your car?

Fits these vehicles

Jeep Grand Cherokee 1999-2004
Jeep Liberty 2002-2006

About this part

Product Details

If your Jeep Grand Cherokee WJ is making a whining noise from the front of the engine, or if the accessory drive belt looks loose, it might be time to replace the belt tensioner. This Omix replacement tensioner assembly includes the idler pulley and is built to keep your serpentine belt running smoothly and at the correct tension.

This tensioner assembly is designed to meet or exceed the original factory part's specifications, ensuring it fits right and functions as expected. It features a tensioner pulley with a 76 mm outer diameter and 28.7 mm width, and an idler pulley that measures 90 mm in outer diameter and 27 mm in width. By maintaining proper belt tension, this part helps extend the life of the belt itself and the bearings in the accessories it drives, like the alternator and power steering pump.

This is a direct fit replacement for 1999-2004 Jeep Grand Cherokee WJ models with 3.7L or 4.7L engines. It's a well-built component backed by a limited 5-year warranty from Omix, giving you peace of mind.