Pioneer Cables 759115 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759115 is an automatic transmission extension housing seal made as an exact-fit replacement for the listed applications. It is used on a wide range of GM trucks, SUVs, vans, and performance models, including Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Tahoe applications with boot-equipped configurations.

Key Features

• Exact-fit replacement from Pioneer Transmission Components
• Automatic transmission extension housing seal for rear transmission sealing service
• Fits a broad range of 1993-2007 GM applications with boot
• Cross-references AMS Automotive 4934 and Dixie Electric Ltd 15047 for the same application
• Part number 759115 for catalog and service identification

Detailed Description

This Pioneer Cables 759115 seal is built for automatic transmission extension housing service where a precise sealing surface is needed to help maintain fluid control at the transmission tail housing. It is listed across many Chevrolet, GMC, Cadillac, Buick, Hummer, and Isuzu models, making it a practical replacement choice for vehicles such as Chevrolet Silverado 1500, GMC Yukon, and Chevrolet Express 1500. The fitment data covers model years from 1993 through 2007, with notes indicating boot-equipped applications.

This part cross-references AMS Automotive 4934 and Dixie Electric Ltd 15047 for the same application. If you are searching for an automatic transmission extension housing seal for a 2004-2007 Chevrolet Colorado, 1999-2007 GMC Sierra 1500, or 1995-2007 Chevrolet Tahoe, Pioneer Cables 759115 is the catalog number to verify.

What It Helps Address

• Transmission fluid seepage at the extension housing area
• Sealing wear at the rear of the automatic transmission
• Service replacement needs after driveline or tail housing work
• Leak concerns on high-mileage Chevrolet and GMC trucks and SUVs
• Fitment matching for boot-equipped GM and related applications

Installation Notes and Tips

Confirm the transmission type, extension housing design, and boot-equipped fitment before installation. Clean the sealing surfaces thoroughly and inspect the housing for scoring, corrosion, or damage that could affect seal performance. Verify the part number 759115 against the vehicle application before assembly, especially on Silverado, Sierra, Tahoe, and Express van platforms.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts, with application coverage focused on direct replacement service for the listed vehicles. Use the fitment table to confirm the correct year, make, and model before ordering.