Dorman 65430 Engine Oil Drain Plug

Engine Oil Drain Plug Replacement

Dorman 65430 is a direct replacement engine oil drain plug for vehicles that use an M12-1.75 fine thread and a 15 mm square-drive head. It is built from steel and matches the original thread pitch to help restore a proper oil pan seal after damage or wear.

Fits a wide range of applications, including Ford F-150, Chevrolet Silverado, GMC Sierra, and Cadillac Escalade models with the listed M12 x 1.75 drain plug specification. Dorman 65430 is also a practical service part for many Buick, Lincoln, and Chevrolet passenger vehicles that use the same drain plug design.

• Direct replacement oil drain plug for OE-style service
• Steel construction with silver finish
• M12-1.75 metric fine thread for proper thread engagement
• 15 mm head size with square drive head design
• Conventional drain method for standard oil changes
• Integrated gasket style sealing surface for a quality seal
• Non-magnetic design

Product Details

This engine oil drain plug is engineered to match the original thread pitch and sealing style used on many GM, Ford, Lincoln, Cadillac, Buick, Jaguar, Mazda, Saab, Saturn, and GMC vehicles. The Dorman 65430 part number is a straightforward OE replacement choice when the original plug is stripped, rounded, or no longer sealing correctly. This part cross-references Genuine AJ813123 for the same application.

Common Problems It Can Help Solve

• Oil leaks at the drain plug after service
• Rounded or damaged drain plug head
• Stripped drain plug threads
• Poor sealing from a worn original plug
• Difficulty removing or reinstalling the drain plug during oil changes

Installation Notes and Tips

Verify the vehicle uses M12 x 1.75 threads and a 15 mm head before installation. Clean the oil pan threads and sealing surface, then install by hand first to avoid cross-threading. No special tool is required, and the conventional drain design makes routine oil service straightforward. Confirm the drain plug seats properly during the oil change and check for leaks after filling.

Quality Assurance

Dorman 65430 is a direct replacement part built to match the original fit and thread pitch for the listed applications. Its steel construction and OE-style sealing approach support dependable service during routine maintenance.