Dorman 65203 Engine Oil Drain Plug

Dorman 65203 Magnetic Oil Drain Plug

Dorman 65203 is a direct replacement engine oil drain plug for vehicles that use a 1/2-20 fine thread and a 3/4 in. hex head. It is built from steel with a magnetic tip, a gasket seal, and a conventional drain method for a secure oil pan seal.

Use this replacement drain plug when servicing a Dodge Ram 1500, Dodge Viper, Chevrolet C1500, or GMC K1500 with the correct thread size. The Dorman 65203 helps restore proper sealing at the oil pan drain opening and matches the original thread pitch for a precise fit.

• Steel construction with silver finish
• Magnetic design helps capture ferrous debris during oil changes
• Fine thread, 1/2-20 thread size for confirmed applications
• Hex head with 3/4 in. head size and 6-point socket engagement
• Gasket included for sealing at the drain point
• Direct replacement for worn or damaged original drain plugs

Detailed Product Overview

This engine oil drain plug is designed to replace the original equipment plug on a wide range of trucks, SUVs, and performance vehicles. The Dorman 65203 uses SAE sizing, a 0.5 in. thread diameter, and a 0.751 in. shank length to match the specified applications. Its magnetic design adds an extra layer of protection by attracting small metal particles that can circulate in engine oil.

Compatible With applications include Fits 2004-2006 Dodge Ram 1500, N/A; Fits 1992-2003 Dodge Viper, N/A; Fits 1988-1995 Chevrolet C1500, N/A; Fits 1988-1995 GMC K1500, N/A. This part cross-references Dorman - Autograde 65203 for the same application.

What It Helps Fix

• Stripped or damaged oil drain plug threads
• Oil seepage at the drain opening
• Missing or worn drain plug sealing surface
• Loose fitment caused by incorrect thread pitch
• Metal debris accumulation in engine oil

Installation Notes and Tips

Verify the oil pan thread size before installation. This plug uses a 1/2-20 fine thread and a 3/4 in. hex head, so the correct socket size is important for proper tightening. Replace the drain plug gasket during service and tighten to the vehicle manufacturer’s specification to maintain a reliable seal.

Quality Assurance

Dorman manufactures this replacement drain plug as a direct-fit service part for confirmed applications. The design follows the original thread pitch and sealing style to support proper fitment on listed vehicles, including Dodge Ram 1500, Chevrolet C1500, and GMC K1500 applications.