Pioneer Cables 759149 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759149 is an exact-fit automatic transmission extension housing seal for a range of Chevrolet and GMC trucks and vans. It is built for bolt-on yoke applications and supports a direct replacement approach for service work on the transmission tail housing area.

Key Features

• Exact-fit replacement seal for automatic transmission extension housing service.
• Built for bolt-on yoke applications.
• Supports leak control at the transmission extension housing interface.
• Fits a wide range of Chevrolet Silverado, Express, Avalanche, Suburban, and GMC Sierra, Savana, and Yukon XL applications.
• Pioneer Cables part number 759149 for easy identification.

Product Details

This Pioneer Cables transmission seal is intended for vehicles that use a bolt-on yoke at the extension housing. The fitment includes 2004-2006 Chevrolet Avalanche 2500, Express 2500, Express 3500, Silverado 1500, Silverado 1500 HD, Silverado 2500 HD, Silverado 3500, and Suburban 2500, along with 2004-2006 GMC Savana 2500, Savana 3500, Sierra 1500 HD, Sierra 2500 HD, Sierra 3500, and Yukon XL 2500. It also fits 2004-2005 GMC Sierra 1500, 2001-2002 GMC Sierra 1500, 2004 Chevrolet Silverado 2500, and 2004 GMC Sierra 2500. Pioneer Transmission Components are positioned as exact-fit replacement parts, and 759149 follows that service-focused design.

Common Repair Uses

• Transmission fluid seepage at the extension housing seal area.
• Seal wear from age, heat, and driveline movement.
• Service replacement during transmission tail housing maintenance.
• Leak concerns on bolt-on yoke applications.

Installation Notes

Confirm the vehicle uses the listed bolt-on yoke configuration before ordering. Clean the sealing surfaces thoroughly and inspect the yoke and housing for wear or damage before installation. Match the part number 759149 to the application details for Chevrolet Silverado and GMC Sierra service work.

Quality Assurance

Pioneer Transmission Components are marketed as exact-fit replacement parts, giving technicians a direct replacement option for transmission sealing service. Part number 759149 is identified for consistent application matching across the listed Chevrolet and GMC fitments.