Dorman 65231 Engine Oil Drain Plug

Engine Oil Drain Plug for Jeep Applications

Dorman 65231 is a direct replacement engine oil drain plug for vehicles that use a 7/8 in.-18 fine thread. It is built from steel with a hex head and includes a gasket seal to help restore a proper oil pan seal after service. This Dorman 65231 drain plug is a practical OE-style replacement for worn or damaged drain plug threads on Jeep CJ5 and Jeep Wagoneer applications.

Key Features

• Direct replacement engine oil drain plug for OE-style fitment
• Steel construction with silver finish
• 7/8 in.-18 SAE fine thread for the specified applications
• Hex head with 1-1/8 in. head size for standard service tools
• Gasket included for sealing at the oil pan
• Non-magnetic design
• Standard drain plug design with conventional drain method

Product Details

Dorman 65231 is engineered to match the original thread pitch and thread diameter used on select Jeep oil pans, helping ensure a secure seal during routine oil changes. The steel body and fine-thread design support reliable installation in applications that call for a 7/8 in.-18 drain plug, while the included gasket helps complete the sealing surface. This part cross-references Dorman - Autograde 65231 for the same application.

What It Helps Fix

• Stripped or worn oil drain plug threads
• Oil seepage at the drain plug sealing surface
• Damaged hex head that makes removal difficult
• Incorrect replacement plug size or thread pitch
• Recurring leaks after oil service on Jeep CJ5 and Jeep Wagoneer models

Installation Notes and Tips

• Verify the oil pan uses 7/8 in.-18 fine threads before installation.
• Inspect the drain opening for thread damage before threading in the plug.
• Use the correct 1-1/8 in. hex tool to avoid rounding the head.
• Replace the gasket if the sealing surface is damaged or contaminated.
• Do not overtighten; tighten to the vehicle manufacturer’s service specification.

Quality Assurance

Dorman designs this replacement drain plug to match the original thread pitch and sealing requirements for the listed applications. Compatible With 1962-1971 Jeep CJ5 and 1963-1967 Jeep Wagoneer. Dorman 65231 is a direct-fit service part for select Jeep oil drain plug applications.