Pioneer Cables 759114 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759114 is an automatic transmission extension housing seal made as an exact-fit replacement for service work on a wide range of GM trucks, SUVs, vans, and performance cars. It is built for applications that require a seal without a flange, including many Chevrolet Silverado 1500, Tahoe, and GMC Sierra 1500 models.

Key Features

• Automatic transmission extension housing seal for rear transmission sealing service
• Exact-fit replacement from Pioneer Transmission Components
• Application-specific design for vehicles listed with w/o Flange notes
• Fits a broad range of Chevrolet, GMC, Cadillac, and Pontiac applications
• Part number 759114 for catalog and service identification

Detailed Description

Pioneer Cables 759114 is a transmission extension housing seal for vehicles that use a no-flange configuration at the extension housing. It is listed for applications such as 1999-2006 Chevrolet Silverado 1500, 1997-2006 Chevrolet Tahoe, 1999-2006 GMC Sierra 1500, and 1997-2006 GMC Yukon, along with other GM platforms including Cadillac Escalade, Chevrolet Astro, Blazer, Corvette, Camaro, and GMC Safari. If you are replacing a leaking automatic transmission extension housing seal on a GM rear-wheel-drive application, this part number 759114 is built for that service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Repairing transmission fluid leaks at the extension housing
• Replacing a worn or hardened rear transmission seal
• Restoring sealing at the driveshaft output area
• Addressing seepage during transmission service on GM trucks and SUVs
• Supporting maintenance on vehicles with a w/o Flange extension housing setup

Installation Notes and Tips

Verify the transmission and extension housing configuration before installation, since this seal is listed for w/o Flange applications only. Inspect the housing surface, output shaft area, and surrounding components for wear or damage before installing the new seal. Confirm vehicle fitment by year, make, and model before ordering, especially on Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Tahoe applications.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts for service professionals and do-it-yourself repairs. Part number 759114 is cataloged for direct application matching across the listed GM fitments.