Dorman 921-157 Engine Oil Filter Cover

Direct replacement oil filter cap

Dorman 921-157 is a threaded oil filter cover built as a direct replacement for the original equipment cap. It addresses cracked or stripped caps that can make oil changes difficult and helps restore proper serviceability.

Key features

• Direct replacement design for the original oil filter cap
• Threaded mounting for secure installation
• PA66 construction for durable engine-bay use
• Black matte finish for a clean OE-style appearance
• Fits Ford and Lincoln applications across multiple model years

Detailed fitment and function

This engine oil filter cover is engineered for direct-fit service on select Ford Bronco, Explorer, F-150, Police Interceptor Utility, Ranger, Edge, and Fusion applications, plus Lincoln Aviator, Nautilus, Continental, MKZ, and MKX models. Fits 2015-2026 Ford F-150, N/A; Fits 2020-2026 Ford Explorer, N/A; Fits 2020-2026 Lincoln Aviator, N/A. Part number 921-157 is a practical repair choice when the original cap is damaged, stripped, or no longer seals and threads correctly. Part number 921-157 also cross-references Ford OE numbers FT4Z6A832A and FT4Z6A832B for the same application.

What it is used for

• Replacing a cracked oil filter cap
• Restoring stripped threads on the filter cover
• Correcting difficult oil filter service access
• Returning the engine oil filter housing to proper function

Installation notes and quality

This cap uses a threaded attachment method and should be installed to match the original filter cover configuration. Verify the engine application and thread engagement before service. Dorman markets this part as a direct replacement that matches the fit and function of the original equipment cap for reliable repair.