Dorman Transmission Oil Pan for GM Vehicles OE FIX — Built-in Drain Plug, Direct-Replace

Dorman 265-582 is a direct-replacement transmission oil pan engineered to match OE fit while adding a built-in drain plug so you can remove fluid cleanly before servicing.

If you're working on a compatible GM vehicle and need a replacement pan that simplifies servicing, this Dorman OE FIX pan reduces the mess and hassle of lowering a fluid-filled component. Manufactured to meet original equipment dimensions and tested for durability, it provides a straightforward upgrade when your original pan leaks or requires replacement. Always confirm fitment by entering your vehicle's exact make, model, and trim in the store's garage tool before ordering.

How does the integrated drain plug make transmission service easier?

The included drain plug allows most transmission fluid to be removed before the pan is loosened, cutting down on spills and cleanup under the vehicle. That means fewer towels, less contaminated waste, and a quicker, safer pan removal for both DIYers and professional technicians.

• Removes fluid prior to pan removal to minimize spills.
• Saves time on drain-and-refill steps during service.
• Reduces the risk of oil-soaked components under the transmission.

Will this pan fit my GM vehicle and how do I confirm compatibility?

This Dorman pan is designed for compatibility with a long list of GM models and model years, but exact fit depends on specific trim and drivetrain options. Use the site's garage or vehicle check tool and enter your complete vehicle details to ensure correct fitment before purchase.

• Compatible with many Cadillac, Chevrolet, GMC and Hummer models listed by year.
• Fit determination requires make, model, year, and trim input.
• Seller tools typically validate fitment to prevent ordering the wrong part.

How robust is this replacement pan compared to the original?

Dorman manufactures this pan to meet strict dimensional and performance standards, and it undergoes vehicle try-on and salt-spray testing to verify corrosion resistance and fit. The design aims to withstand typical road impacts and resist leaks over an extended service life.

• Built to OE-style dimensions for correct sealing surfaces and bolt patterns.
• Salt-spray testing improves confidence against corrosion in harsh climates.
• Engineered for durability to reduce the chance of early replacement.

What should I expect during installation and maintenance?

Installation follows the same bolt pattern and gasket seating as the original pan, but the drain plug lets you lower the pan with minimal fluid remaining, simplifying gasket replacement and fluid changes. Follow torque specs and replace the gasket or sealant as recommended for a reliable seal.

• Drain fluid first through the integrated plug for a cleaner service.
• Replace the gasket or apply recommended sealant during re-installation.
• Follow manufacturer torque guidelines on pan fasteners to avoid warping.

Who is this product for? The Dorman 265-582 transmission oil pan is aimed at vehicle owners, independent mechanics, and fleet technicians who service GM vehicles listed in the compatibility range and want a direct-fit replacement that streamlines maintenance. It's particularly useful for anyone who prefers to limit spillage and cleanup during transmission service, or for shops that value parts tested for fit and corrosion resistance. Remember to verify exact vehicle fit with the online garage tool before ordering to ensure the pan matches your model and trim.