Labwork 3922900 3976833 Engine Belt Tensioner for 1994-2002 Dodge Ram 5.9L Cummins

Key Features

• Premium Aftermarket Quality: Engineered to match original factory specifications, offering a perfect, reliable match for your vehicle or heavy equipment.

• Stable & Reliable Performance: Built with high-strength materials to deliver precise belt tension, preventing slippage, reducing belt wear, and ensuring high long-term reliability.

• Direct Plug-and-Play Installation: Standardized structural layout allows for straightforward bolt-on mounting, restoring proper system operation quickly and effortlessly.

Crucial Fitment & Dimensions Notice

Please Read Before Purchasing: To address recent compatibility and sizing issues, please strictly verify both your Engine Series and Vehicle/Equipment Model below. This part is exclusively designed for specific Cummins B, C, and ISB/ISC platforms.

1. Supported Engine Configurations

• Cummins B-Series: 4B 3.9L / 4BT / 4BTA 3.9L (4-Cylinder)

• Cummins 6B-Series: 6B 5.9L / 6BT / 6BTA 5.9L (6-Cylinder)

• Cummins C-Series: 6CT / 6C8.3 8.3L

• Cummins ISB / ISC Series

• Heavy Machinery: Various Case, Hyundai, and Komatsu industrial or construction equipment models equipped with Cummins B-Series or C-Series engines.

2. Vehicle Application Matrix

Product Specifications

• Part Name: Accessory Drive Belt Tensioner Assembly

• Interchange OE Numbers: 3922900, 3976833

• Fitment Type: Direct Replacement / Vehicle-Specific

• Condition: 100% Brand New

Package Includes

• 1 × Heavy-Duty Engine Belt Tensioner Assembly

  (Note: Mounting hardware and printed installation guides are not included. Please reuse factory mounting bolts where applicable).

Important Mechanical & Installation Notes

• Verify Prior to Purchase: It is the buyer's responsibility to confirm both the OE part number matches and the engine configuration is listed before finalizing the order to prevent sizing discrepancies.

• Relieve Belt Tension Safely: Always use the proper breaker bar or tensioner tool to relieve spring tension safely when removing the old belt and installing this replacement unit.

• Professional Installation Recommended: Proper alignment with the drive belt system is critical to prevent premature belt fraying or pulley failure. Installation by a certified diesel mechanic is highly advised.