Dorman 090-011 Engine Oil Drain Plug

Engine Oil Drain Plug for Jeep CJ5 and Wagoneer

This Dorman engine oil drain plug is a direct replacement for a worn or damaged original plug. It is built to match the correct 7/8 in.-18 thread pitch for a secure seal on select Jeep applications, including Jeep CJ5 and Jeep Wagoneer models.

• Direct replacement engine oil drain plug for OE-style service
• Steel construction with silver finish
• 7/8 in.-18 SAE thread size with 1-1/8 in. hex head
• Includes gasket for sealing at the oil pan
• Standard oil drain plug design with conventional drain method
• Non-magnetic design
• Fits select 1962-1971 Jeep CJ5 and 1963-1967 Jeep Wagoneer applications

Product Details

Dorman 090-011 is an Oil-Tite engine oil drain plug made for direct replacement service where the original plug is stripped, damaged, or no longer sealing properly. The steel body, medium thread type, and matched gasket help support a proper oil pan seal when servicing select Jeep CJ5 and Jeep Wagoneer vehicles. If you are searching for a Jeep CJ5 oil drain plug or a Jeep Wagoneer drain plug with 7/8 in.-18 threads, Dorman 090-011 is a fitment-specific option.

This part cross-references Monroe Shocks & Struts (e.g., 263-770, 639979) for the same application.

Common Problems This Part Can Address

• Stripped or worn drain plug threads
• Oil seepage at the drain plug sealing surface
• Damaged hex head that makes removal difficult
• Improper sealing from a mismatched replacement plug
• Routine oil service on select Jeep CJ5 and Wagoneer models

Installation Notes and Tips

Verify the thread size before installation: 7/8 in.-18 SAE. Clean the oil pan threads and sealing surface before installing the plug and gasket. Tighten to the vehicle manufacturer’s specification to avoid over-tightening and thread damage. No special tool is required, and the 1-1/8 in. hex head allows standard service removal.

Quality Assurance

Dorman manufactures this replacement drain plug to match original equipment thread pitch and sealing requirements for a proper service fit. Part number 090-011 is engineered for direct replacement use on the listed Jeep applications.