Dorman 090-161 Engine Oil Drain Plug

Engine Oil Drain Plug for Ford and Lincoln

Dorman 090-161 is a direct replacement engine oil drain plug for vehicles that use an M14-1.50 fine thread drain plug with a 16 mm hex head. It is built from steel with a silver finish and includes a gasket O-ring to help restore a proper seal at the oil pan.

Compatible With Ford F-150, F-250 Super Duty, F-350 Super Duty, Expedition, Explorer, Mustang, Ranger, and Lincoln Navigator applications that call for this thread size and head style. This part cross-references Four Seasons 39680 for the same application.

Key Features

• Direct replacement drain plug for damaged or worn original equipment hardware
• Steel construction with fine M14-1.50 metric threads
• 16 mm hex head for conventional service access
• Gasket O-ring included for sealing at the oil pan
• Non-magnetic design with pilot point thread profile
• Fits vehicles using the specified thread pitch and head size, including many Ford and Lincoln models

Detailed Description

The Dorman 090-161 engine oil drain plug is engineered to match the original thread pitch and sealing interface, helping maintain a secure fit during routine oil changes. Its steel body and fine-thread metric design make it a practical replacement for stripped, rounded, or corroded drain plugs on applications such as the Ford F-150, Ford F-250 Super Duty, Ford F-350 Super Duty, and Lincoln Navigator. The included gasket O-ring supports a proper seal when installed in the correct oil pan opening.

Use this drain plug when the original plug no longer tightens correctly, shows thread wear, or has a damaged sealing surface. The 16 mm hex head and conventional drain method support standard service procedures on many Ford, Lincoln, Mercury, Mazda, and Jaguar vehicles listed in the fitment data.

What It Helps Fix

• Oil leaks caused by a worn drain plug seal
• Rounded or damaged drain plug threads
• Stripped original oil drain hardware
• Improper sealing after repeated oil changes
• Corrosion or wear on the original plug body

Installation Notes and Tips

Verify the oil pan uses M14-1.50 fine threads and a 16 mm hex head before installation. Clean the drain opening and sealing surface thoroughly, then tighten the plug to the vehicle manufacturer’s specified torque. Do not force the threads; if resistance is felt immediately, stop and confirm fitment. This part uses a conventional drain method and does not require a special tool.

Quality Assurance

Dorman designs replacement hardware to match original equipment dimensions and service requirements. Part number 090-161 is built as a direct-fit replacement for the listed applications and is backed by Dorman’s product engineering standards.