Pioneer Cables 759198 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759198 is an automatic transmission extension housing seal for select GM applications. It is an exact-fit replacement part from Pioneer Transmission Components, built for direct service use on covered Cadillac, Chevrolet, GMC, and Pontiac vehicles.

Key Features

• Automatic transmission extension housing seal
• Direct replacement for service and repair work
• Exact-fit replacement part from Pioneer Transmission Components
• Compatible with a wide range of 2006-2013 Cadillac, Chevrolet, GMC, and Pontiac models
• Part number 759198 for catalog lookup and ordering

Detailed Description

This extension housing seal is used in automatic transmission sealing applications where the transmission extension housing must retain fluid and maintain a proper seal at the rear of the unit. Pioneer Cables 759198 is listed for vehicles including the Cadillac CTS, Escalade, STS, and XLR; Chevrolet Avalanche, Camaro, Corvette, Express 2500, Express 3500, Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Tahoe; GMC Savana 2500, Savana 3500, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Yukon, Yukon XL 1500, Yukon XL 2500; and Pontiac G8. This part number, 759198, is a practical choice for transmission service on GM rear-wheel-drive and truck applications where a correct sealing surface is required.

What It Is Used For

• Stopping transmission fluid leakage at the extension housing
• Restoring a worn or hardened rear transmission seal
• Addressing seepage after transmission service
• Replacing a damaged seal found during driveline repair
• Supporting proper sealing on GM automatic transmission applications

Installation Notes and Tips

Verify the transmission application against the vehicle’s year, make, and model before installation. Inspect the extension housing and mating surfaces for wear, scoring, or contamination before fitting the new seal. Clean the sealing area thoroughly and confirm the seal seats evenly during assembly. For fitment confirmation, reference Pioneer Cables 759198 against the vehicle listing for your Cadillac CTS, Chevrolet Silverado 1500, or GMC Sierra 1500 application.

Quality Assurance

Pioneer Transmission Components states that its replacement parts are made as exact-fit components for direct service use. That product positioning supports consistent fitment for covered applications such as the Cadillac Escalade, Chevrolet Corvette, and GMC Yukon listed for part number 759198.