Dorman 264-483 Engine Oil Pan

Dorman 264-483 Engine Oil Pan for Colorado, Canyon, i-370

Replace a leaking oil pan with a direct-fit aluminum unit engineered to match the original equipment design on select Chevrolet Colorado, GMC Canyon, and Isuzu i-370 applications. Dorman 264-483 is built for the 2004-2012 model years listed below and includes a rear sump layout, dipstick port, drain plug, and internal baffling.

Key Features

• Aluminum construction with a natural finish
• Rear sump, wet-sump design with baffling
• Dipstick port included for OE-style fitment
• Drain plug included with M12x1.25 drain thread size
• 23 mounting holes for proper installation alignment
• Maximum dimensions: 24 in. length, 11.5 in. width, 6.5 in. depth
• Cross-reference: this part cross-references Spectra Premium Gmp63b for the same application.

Detailed Description

Dorman 264-483 is an engine oil pan replacement for select 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, and 2007-2008 Isuzu i-370 models. It is precision-engineered to match the original equipment pan shape and mounting layout, helping restore proper oil containment on vehicles with a leaking or damaged pan. The aluminum construction, rear sump configuration, and integrated baffling support OE-style service on the listed applications. This part number also cross-references 12580242 and Spectra Premium Gmp63b.

What It Helps Fix

• Oil leaks from a cracked, corroded, or damaged pan
• Oil loss caused by impact damage or worn sealing surfaces
• Drain plug sealing issues related to a worn or damaged pan
• Fitment problems from an incorrect replacement pan
• Service concerns on Chevrolet Colorado, GMC Canyon, and Isuzu i-370 oil pan repairs

Installation Notes and Tips

Verify engine application and pan style before installation. This oil pan uses a rear sump, wet-sump layout and includes a dipstick port and drain plug, but does not include a gasket or seal, pickup, or installation hardware. Clean the mating surfaces thoroughly and inspect the sealing system before reassembly. Confirm drain thread size M12x1.25 during service.

Quality Assurance

Dorman manufactures this oil pan as an OE-style replacement for the listed vehicle applications, with dimensions and mounting points engineered to match the original part.

Vehicle Fitment

• Fits 2004-2012 Chevrolet Colorado, N/A
• Fits 2004-2012 GMC Canyon, N/A
• Fits 2007-2008 Isuzu i-370, N/A