Pioneer Cables 759151 Automatic Transmission Oil Cooler Seal

Automatic Transmission Oil Cooler Seal for GM Trucks and Vans

Pioneer Cables 759151 is an automatic transmission oil cooler seal for rear cooler pipe applications on select Chevrolet and GMC vehicles. It is an exact-fit replacement part built for direct service on the transmission cooler connection.

Key Features

• Automatic transmission oil cooler seal for rear cooler pipe locations
• OE-style replacement from Pioneer Transmission Components
• Direct-fit service part for select Chevrolet Silverado, GMC Sierra, and Express/Savana applications
• Supports leak control at the transmission cooler pipe connection
• Part number 759151 for catalog and service lookup

Detailed Description

This Pioneer Cables 759151 transmission oil cooler seal is made for rear cooler pipe use on a wide range of GM trucks and vans, including Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500, Chevrolet Express 2500, Express 3500, GMC Savana 2500, and Savana 3500. It also covers applications such as Chevrolet Avalanche 2500, Suburban 2500, and GMC Yukon XL 2500. If you are servicing a GM automatic transmission cooler line connection, this seal provides the correct replacement for the specified rear pipe location.

This part cross-references no listed aftermarket numbers in the provided data. Use 759151 when matching the seal to the vehicle and cooler pipe position.

What It Helps Address

• Transmission fluid seepage at the cooler pipe seal
• Leak points at the rear cooler line connection
• Service replacement for worn or flattened sealing surfaces
• Maintenance on GM automatic transmission cooler plumbing

Installation Notes and Tips

Confirm the vehicle year, make, model, and rear cooler pipe application before installation. Inspect the cooler pipe and sealing surface for corrosion, scoring, or debris, and clean the area before assembly. Match the seal to the transmission cooler connection specified for the vehicle to avoid repeat leaks.

Quality Assurance

Pioneer Transmission Components states that its replacement parts are exact-fit components made for direct replacement service.