Dorman 090-058 Engine Oil Drain Plug

Engine Oil Drain Plug for OE-Style Service

This Dorman engine oil drain plug is a direct replacement for a damaged or worn original equipment plug. It uses the correct 1/2-20 fine thread and a pilot point molded gasket design to help maintain a reliable seal during routine oil changes.

Built from steel with a silver finish, Dorman 090-058 is made for conventional drain applications where a hex head and 5/8 in. socket size are preferred. It is a practical OE-style solution for Jeep Wrangler, Jeep Cherokee, Dodge Ram, and other listed applications that use the same thread specification.

Key Features

• Direct replacement engine oil drain plug for OE-style service
• Steel construction with silver finish
• 1/2-20 fine thread, SAE thread size
• Hex head with 5/8 in. head size and 6 socket points
• Pilot point molded gasket design with gasket included
• Non-magnetic design for conventional oil drain use
• Special tool not required

Detailed Description

Dorman 090-058 is engineered to match the original thread pitch and sealing profile of the factory drain plug, helping ensure proper engagement in the oil pan. The fine-thread 1/2-20 design, 0.813 in. shank length, and included gasket support a secure seal for vehicles that specify this hardware. This part cross-references MTC/Ronak 1028 for the same application.

Compatible With 1991-2001 Jeep Cherokee, N/A; 1991-1995 Jeep Wrangler, N/A; 1997-2006 Jeep Wrangler, N/A; 1994-2003 Dodge Ram 1500, N/A; and 1994-2003 Dodge Ram 2500, N/A. It also applies to other listed Chrysler, Dodge, Jeep, Plymouth, Mitsubishi, and Viper applications that call for a 1/2-20 drain plug.

Common Problems This Part Can Address

• Stripped or damaged oil drain plug threads
• Oil seepage at the drain plug sealing surface
• Rounded or worn hex head from repeated service
• Incorrect replacement plug thread pitch
• Corrosion or wear on the original drain plug

Installation Notes and Tips

Verify the oil pan thread size before installation. Clean the drain opening and sealing surface, then install the plug by hand first to confirm smooth thread engagement. Tighten with the correct 5/8 in. hex socket and avoid over-torquing, which can damage the oil pan threads or gasket seal.

Quality Assurance

Dorman designs replacement hardware to match original equipment dimensions and sealing requirements. Part number 090-058 is part of the Oil-Tite program and is intended for direct-fit service on the listed vehicle applications.