Dorman 264-479 Engine Oil Pan

OE-Style Oil Pan Replacement

Dorman 264-479 is a direct replacement engine oil pan for select Chevrolet and GMC trucks and vans. It is precision-engineered to match the original equipment pan shape and mounting points, making it a practical choice for a leaking oil pan on the 2007-2014 Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Express 1500, and GMC Savana 1500.

Key Features

• Aluminum construction with a natural finish
• Baffled wet-sump design for controlled oil movement
• Front sump layout
• Gasket or seal included
• Drain plug included with 12 mm drain thread size
• Installation hardware included
• 12 mounting holes for OE-style fitment
• Capacity: 4.5
• Length: 17.5 in; maximum width: 13 in

Detailed Description

This Dorman engine oil pan, part number 264-479, is built as a replacement for the original pan on specific GM applications. The aluminum construction helps maintain a factory-style fit and finish, while the baffled design supports stable oil control in normal driving conditions. It is configured with a front sump, wet-sump layout and includes the gasket or seal needed for installation. This part cross-references Spectra Premium GMP85A for the same application.

Compatible With 2007-2013 Chevrolet Silverado 1500, 2007-2013 GMC Sierra 1500, 2008-2014 Chevrolet Express 1500, and 2008-2014 GMC Savana 1500. If you are replacing a leaking pan on a Chevrolet Silverado 1500 or GMC Sierra 1500, Dorman 264-479 provides the OE-style dimensions and mounting pattern needed for a direct repair.

What It Helps Fix

• Engine oil leaks from a damaged or corroded oil pan
• Cracked or dented pan surfaces from road impact
• Oil seepage at the pan-to-block sealing area
• Improper sealing caused by a worn or warped pan
• Service issues related to a missing or damaged drain plug

Installation Notes and Tips

Drain the engine oil before removal, clean the mating surface thoroughly, and inspect the sealing surface for damage. Verify the front sump layout, 12 mounting holes, and drain thread size before installation. Use the included gasket or seal and installation hardware during reassembly, and confirm proper torque specifications for the vehicle application.

Quality Assurance

Dorman designs this oil pan to match original equipment dimensions and mounting points for the listed Chevrolet and GMC applications. Part number 264-479 is built for direct replacement use on the specified vehicles and is supported by Dorman’s OE-style replacement engineering approach.