Dorman 420-002 Engine Timing Chain Tensioner

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

Dorman 420-002 is a standard replacement engine timing chain tensioner built to match the fit and function of the original part on specified applications. It uses a spring-loaded design and aluminum alloy housing for dependable timing chain control in service on Chrysler, Dodge, Jeep, and Ram vehicles.

Key Features

• Spring-loaded tensioner design for consistent chain pressure
• Aluminum housing for strength and reduced weight
• Adjustable construction for proper timing chain setup
• Standard replacement part for OE-style fit and function
• Direct replacement reference: 420-002
• Cross-reference part number: 5047891AA

Detailed Description

This engine timing chain tensioner is engineered to match the original tensioner used in specified Chrysler, Dodge, Jeep, and Ram applications. The aluminum alloy housing and spring-loaded mechanism are designed for reliable timing chain support, helping maintain proper chain tension in engines found in models such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and Ram 1500. If you are searching for a timing chain tensioner for 2011-2019 Chrysler 300, 2011-2019 Dodge Charger, or 2013-2019 Ram 1500 applications, Dorman 420-002 provides an OE-style replacement solution.

This part cross-references 5047891AA for the same application.

What It Helps Address

• Timing chain slack caused by a worn tensioner
• Chain noise from inconsistent tension control
• Improper chain positioning during engine operation
• Replacement needs after timing system service
• OE tensioner wear in high-mileage engines

Installation Notes and Tips

Verify engine application before installation, since fitment varies by year and model. This part does not include a mounting bracket, installation hardware, or installation instructions. Follow the vehicle service procedure for timing system alignment and tensioner setup, and confirm the chain is correctly seated before engine start-up.

Quality Assurance

Dorman manufactures this timing chain tensioner as a standard replacement component using quality materials for reliable performance and durability. It is built to match the fit and function of the original tensioner on specified applications.

Compatible Vehicles

• Fits 2011-2019 Chrysler 300, N/A
• Fits 2019 Chrysler Pacifica, N/A
• Fits 2011-2019 Dodge Challenger, N/A
• Fits 2011-2019 Dodge Charger, N/A
• Fits 2011-2019 Dodge Durango, N/A
• Fits 2011-2019 Dodge Grand Caravan, N/A
• Fits 2011-2019 Dodge Journey, N/A
• Fits 2011-2019 Jeep Grand Cherokee, N/A
• Fits 2014-2019 Jeep Wrangler, N/A
• Fits 2013-2019 Ram 1500, N/A
• Fits 2019 Ram 1500 Classic, N/A
• Fits 2014-2019 Ram ProMaster 1500, N/A
• Fits 2014-2019 Ram ProMaster 2500, N/A
• Fits 2014-2019 Ram ProMaster 3500, N/A
• Fits 2018 Jeep Wrangler JK, N/A
• Fits 2011-2017 Chrysler 200, N/A
• Fits 2011-2016 Chrysler Town & Country, N/A
• Fits 2011-2014 Dodge Avenger, N/A