A-Premium Serpentine Belt Drive Kit for Jeep 4.0L WJ/WRG (1999–2006) — Belt, Tensioner & Pulley

A-Premium Engine Serpentine Belt Drive Kit is a complete replacement kit—belt, tensioner, and tensioner pulley—engineered to restore accessory drive function on Jeep 4.0L WJ Grand Cherokee (1999–2004) and Wrangler (2000–2006) with A/C.

This A-Premium kit groups the three critical components that control the accessory drive into a single, vehicle-specific package. Designed for Jeep models with the 4.0L inline-six and air conditioning, the kit aims to make installation straightforward while returning proper belt tension and alignment. The parts are meant to fit the factory layout at the front of the engine where the serpentine belt loops around pulleys to drive alternator, power steering, water pump, and A/C compressor.

How does this kit improve the engine accessory drive performance?

Replacing the belt, tensioner, and pulley together helps avoid mismatched wear and preserves correct tension across the accessory system. New components reduce slippage, noise, and premature wear on related accessories by restoring original routing and tension.

• Includes belt, automatic tensioner, and tensioner pulley matched for Jeep 4.0L configurations.
• Restores proper belt alignment to reduce squeal and accessory drag.
• Helps prevent premature alternator or A/C compressor wear from a failing tensioner.

What vehicles and configurations does this A-Premium kit fit?

This kit is intended for Jeep WJ Series Grand Cherokee 1999–2004 and Jeep Wrangler 2000–2006 equipped with the 4.0L inline-six engine and factory air conditioning. Always verify fitment by entering vehicle details in the listing and reviewing any special notes before ordering.

• Compatible: Jeep Grand Cherokee WJ 1999–2004, 4.0L L6 with A/C.
• Compatible: Jeep Wrangler 2000–2006, 4.0L L6 with A/C.
• Not for non-A/C or different engine variants—confirm exact vehicle specs first.

What comes in the box and what should I expect during installation?

The package contains one serpentine belt, one belt tensioner assembly, and one tensioner pulley. Installation typically requires basic hand tools, a torque wrench, and safe vehicle support; removal of the old belt and tensioner follows factory access points and torque specs for reinstallation.

• Kit contents: 1 belt, 1 belt tensioner, 1 tensioner pulley—matched for direct replacement.
• Installation tip: relieve tension with the proper tool and replace components together to ensure correct fit.
• Check belt routing diagram and torque specifications for secure reassembly.

What warranty and support come with this A-Premium kit?

A-Premium backs this serpentine belt drive kit with a one-year unlimited-mileage guarantee designed to cover workmanship and material defects. Support resources and a variety of replacement automotive parts are available should you need help verifying fit or troubleshooting installation.

• One-year unlimited-mileage guarantee from A-Premium.
• Customer support available for fitment questions and product assistance.
• Refer to listing notes and vehicle selector before ordering to reduce returns.

Who is this for: The A-Premium Engine Serpentine Belt Drive Kit is aimed at Jeep owners and mechanics who need a vehicle-specific, all-in-one replacement for routine maintenance or to address belt drive noise, slipping, or accessory performance issues. It’s particularly suited to DIYers and service shops working on 4.0L WJ Grand Cherokees and Wranglers with factory air conditioning who prefer replacing belt and tensioning components together for durable, reliable results.