Dorman 420-215 Engine Timing Chain Tensioner

Engine Timing Chain Tensioner for Ford and Lincoln

This Dorman engine timing chain tensioner is a standard replacement for select Ford and Lincoln applications. Built to match the original fit and function, it supports consistent timing chain control in engines that use an automatic tensioner design.

Key Features

• Automatic tensioner type for OE-style chain control
• Standard replacement part for direct-fit service work
• Steel housing with cast iron material construction
• Single-row design for specified engine timing systems
• Matches original fit and function for select applications
• Part number 420-215 for catalog and service reference

Detailed Description

Dorman 420-215 is an engine timing chain tensioner engineered for specified Ford F-150, Ford Expedition, Lincoln MKT, and Lincoln Navigator applications. It is built from quality materials to deliver reliable performance and durability in the valve train system, helping maintain proper timing chain tension under normal engine operation. This part cross-references Ford BL3Z6L266A for the same application.

Use this timing chain tensioner when servicing engines that require an OE-style automatic tensioner replacement. The Dorman 420-215 is designed for direct replacement service on 2011-2014 Ford F-150, 2015-2016 Ford F-150, 2015-2020 Ford Expedition, 2013-2019 Lincoln MKT, and 2015-2017 Lincoln Navigator applications.

What It Helps Solve

• Timing chain slack caused by a worn tensioner
• Rattling or noise from the timing chain area
• Loss of proper chain control in the valve train
• Service replacement for a failed OE tensioner
• Restoration of timing system stability during engine repair

Installation Notes and Tips

Verify engine application, model year, and timing system configuration before installation. This tensioner uses an automatic design and does not include a mounting bracket, installation hardware, or installation instructions. Confirm the original part number and inspect related timing components, guides, and chain condition during service on Ford F-150, Ford Expedition, Lincoln MKT, or Lincoln Navigator engines.

Quality Assurance

Dorman manufactures this part as a standard replacement component using materials selected for dependable service life. The design is intended to match the original tensioner’s fit and function on the listed applications, supporting a straightforward repair process for timing chain service.