Pioneer Cables 759098 Automatic Transmission Oil Pump Seal

Automatic Transmission Oil Pump Seal for GM HD Trucks

Pioneer Cables 759098 is an automatic transmission oil pump seal made for direct replacement service in select Chevrolet and GMC heavy-duty trucks. It is built for 2001-2009 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD applications, along with related Silverado 3500 and Sierra 3500 models.

Key Features

• Automatic transmission oil pump seal for transmission sealing service
• Exact-fit replacement part from Pioneer Transmission Components
• Compatible with 2001-2009 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD
• Also fits 2001-2006 Chevrolet Silverado 3500 and GMC Sierra 3500
• Fits 2007 Chevrolet Silverado 3500 Classic and GMC Sierra 3500 Classic
• Part number 759098 for catalog and service lookup

Detailed Description

This Pioneer Cables 759098 seal is intended for automatic transmission oil pump sealing in GM HD truck applications. Pioneer Transmission Components positions this part as an exact-fit replacement, helping maintain the sealing interface at the transmission oil pump during service on Chevrolet Silverado 2500 HD, Silverado 3500, Silverado 3500 Classic, GMC Sierra 2500 HD, Sierra 3500, and Sierra 3500 Classic models.

This part cross-references common aftermarket listings for the same application, including 759098. Use the part number 759098 to confirm application details before ordering.

What It Helps Address

• Transmission fluid leakage at the oil pump seal area
• Seal wear found during transmission rebuild or overhaul
• Loss of sealing integrity after transmission service
• Fluid seepage that can affect transmission operation

Installation Notes and Tips

Verify transmission application by year, make, and model before installation. Inspect the pump bore, sealing surface, and surrounding components for wear or damage before fitting the new seal. Clean all mating surfaces thoroughly and follow the vehicle service manual for installation procedure and fluid refill specifications.

Quality Assurance

Pioneer Transmission Components describes this part as an exact-fit replacement component for service applications. Confirm fitment against the vehicle listing for 2001-2009 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2007 Chevrolet Silverado 3500 Classic, 2001-2009 GMC Sierra 2500 HD, 2001-2006 GMC Sierra 3500, and 2007 GMC Sierra 3500 Classic before installation.