Dorman 420-002 Engine Timing Chain Tensioner

Reliable Engine Timing Chain Tensioner for Chrysler, Dodge, Jeep, and Ram

The Dorman 420-002 engine timing chain tensioner is designed to maintain optimal tension in the timing chain system for select Chrysler, Dodge, Jeep, and Ram vehicles. This spring-loaded tensioner ensures consistent chain tension, helping to support engine performance and longevity.

• Spring loaded tensioner type for consistent chain tension
• Constructed with durable aluminum alloy housing
• Adjustable design for precise fit and function
• Includes three timing belt adjusters and bolts in package
• Standard replacement grade for reliable performance
• Compatible with multiple models including Jeep Wrangler JK and Dodge Charger

Durable Construction and Adjustable Design

The Dorman 420-002 timing chain tensioner features a lightweight yet sturdy aluminum alloy housing measuring 2 inches in length and 1 inch in width. Its spring-loaded mechanism provides steady tension to the timing chain, reducing slack and preventing premature wear. The adjustable feature allows for fine-tuning during installation, ensuring proper chain alignment and tension. This tensioner is designed as a standard replacement part, meeting OEM specifications for fit and function.

Compatible Vehicles and Applications

This engine timing chain tensioner is compatible with a range of Chrysler, Dodge, Jeep, and Ram models, including the 200, 300, 1500 Classic, Avenger, Challenger, Charger, Durango, Grand Caravan, Grand Cherokee, Journey, Pacifica, ProMaster 1500/2500/3500, Town & Country, Wrangler, and Wrangler JK. It is specifically engineered to work with the valve train components of these vehicles, ensuring proper timing chain operation.

Common Issues Addressed by the Timing Chain Tensioner

• Eliminates timing chain slack that can cause engine misfires
• Prevents excessive chain noise and rattling
• Reduces risk of timing chain skipping or jumping teeth
• Helps avoid premature wear of timing chain and sprockets
• Supports consistent engine timing for smooth operation

Installation Notes and Tips

Installation of the Dorman 420-002 timing chain tensioner requires careful attention to the adjustable tensioner settings to ensure proper chain tension. Note that this product does not include mounting brackets, installation hardware, or instructions, so having the appropriate tools and service manual is recommended. It is important to verify compatibility with your specific vehicle model and engine configuration before installation.

Quality Assurance and Warranty Information

Dorman provides this timing chain tensioner as a standard replacement part manufactured to meet industry standards. The aluminum alloy housing offers corrosion resistance and durability under engine operating conditions. While installation hardware is not included, the product is backed by Dorman's quality control processes. Please consult Dorman's warranty policy for coverage details.