Pioneer Cables 759150 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759150 is an automatic transmission extension housing seal for rear lube applications. It is an exact-fit replacement part built for specific Chevrolet and GMC trucks, vans, and SUVs from 1997-2006.

• Automatic transmission extension housing seal for rear lube applications
• Exact-fit replacement from Pioneer Transmission Components
• Compatible with Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500, and related applications
• Compatible with GMC Sierra 1500, Sierra 2500 HD, Sierra 3500, and related applications
• Part number 759150 for direct identification

Fitment Details

• Fits 2004-2006 Chevrolet Avalanche 2500, Rear Lube
• Fits 2004-2006 Chevrolet Express 2500, Rear Lube
• Fits 2004-2006 Chevrolet Express 3500, Rear Lube
• Fits 2004-2006 Chevrolet Silverado 1500, Rear Lube
• Fits 2005-2006 Chevrolet Silverado 1500 HD, Rear Lube
• Fits 2004-2006 Chevrolet Silverado 2500 HD, Rear Lube
• Fits 2004-2006 Chevrolet Silverado 3500, Rear Lube
• Fits 2004-2006 Chevrolet Suburban 2500, Rear Lube
• Fits 2004-2006 GMC Savana 2500, Rear Lube
• Fits 1997-2006 GMC Savana 3500, Rear Lube
• Fits 2005-2006 GMC Sierra 1500 HD, Rear Lube
• Fits 2004-2006 GMC Sierra 2500 HD, Rear Lube
• Fits 2004-2006 GMC Sierra 3500, Rear Lube
• Fits 2004-2006 GMC Yukon XL 2500, Rear Lube
• Fits 2004-2005 GMC Sierra 1500, Rear Lube
• Fits 2001-2002 GMC Sierra 1500, Rear Lube
• Fits 2004 Chevrolet Silverado 2500, Rear Lube
• Fits 2004 GMC Sierra 2500, Rear Lube

Common Repair Uses

• Transmission fluid seepage at the extension housing
• Leak repair during rear lube service
• Seal replacement after driveline service
• Restoring a worn or hardened transmission seal
• Addressing fluid loss around the tail housing area

Installation Notes

Verify transmission application and rear lube configuration before installation. Inspect the extension housing surface, output shaft area, and surrounding components for wear or damage that could affect sealing. Clean all mating surfaces thoroughly and confirm the replacement seal is seated evenly during assembly.

Quality Assurance

Pioneer Transmission Components are made as exact-fit replacement parts for direct application matching. Part number 759150 is built for the listed Chevrolet and GMC fitments and is intended to replace the original extension housing seal on the specified rear lube applications.