ATP Parts SG-40 Automatic Transmission Oil Pump Gasket

ATP SG-40 Automatic Transmission Oil Pump Gasket

ATP Parts SG-40 is an exact-fit replacement automatic transmission oil pump gasket for the front pump to case location. It is built for direct service on a wide range of GM trucks, SUVs, vans, and performance vehicles, including Chevrolet Colorado, GMC Canyon, and Chevrolet Silverado 1500 applications.

Key Features

• Automatic transmission oil pump gasket for front pump to case sealing
• Exact-fit replacement from ATP Transmission Seals and Gaskets
• Compatible with 4L60-E, THM700-R4/4L60/MD8 applications where listed
• Direct replacement for many Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, Pontiac, Saab, and Oldsmobile vehicles
• Part number SG-40 for catalog and service identification

Detailed Description

The ATP SG-40 is an automatic transmission oil pump gasket used at the front pump to case interface to help maintain a proper seal in the transmission assembly. ATP describes this line as exact-fit replacement parts, and this gasket is cataloged across many GM-based platforms, including Chevrolet Colorado, GMC Canyon, Chevrolet Tahoe, GMC Sierra 1500, and Chevrolet Express 1500. This part cross-references BBB Industries 17841 and Global Parts Distributors LLC 13360 for the same application.

Use SG-40 when servicing the transmission front pump area on vehicles listed in the fitment data. The broad application coverage includes 1990-2012 model years, with fitment varying by make, model, and transmission configuration. Verify the vehicle and transmission family before installation.

What This Part Helps Address

• Transmission fluid seepage at the front pump to case joint
• Loss of sealing integrity during transmission service
• Leak concerns after pump removal or overhaul
• Reassembly needs for GM automatic transmission front pump service
• Replacement of a worn or damaged oil pump gasket

Installation Notes and Tips

Clean both mating surfaces thoroughly before installation and inspect the pump and case for nicks, warpage, or debris. Confirm the transmission type and application notes in the fitment list, especially where 4L60-E, THM700-R4/4L60/MD8 references are shown. For best results, follow the vehicle service manual torque sequence and sealing procedures.

Quality Assurance

ATP Transmission Seals and Gaskets are positioned as exact-fit replacement parts for service work that requires proper sealing and OE-style application coverage.