Pioneer Cables 759129 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759129 is an automatic transmission extension housing seal made for direct replacement use on select Ford trucks and vans. It is built as an exact-fit replacement part for service work where a worn seal can lead to fluid leakage at the transmission tail housing.

• Direct replacement automatic transmission extension housing seal
• Exact-fit design from Pioneer Transmission Components
• Built for select Ford E-350 Super Duty, F-250 Super Duty, and F-350 Super Duty applications
• Also used on Ford E-150, E-350 Club Wagon, and Excursion models with boot-equipped applications
• Cross-references Timken 710537 and 3C3Z7052CA for the same application

Fitment Details

Compatible with 2004-2011 Ford E-350 Super Duty, N/A, w/ Boot. Compatible with 2005-2010 Ford F-250 Super Duty, N/A, w/ Boot. Compatible with 2005-2010 Ford F-350 Super Duty, N/A, w/ Boot. Compatible with 2007 Ford E-150, N/A, w/ Boot. Compatible with 2004-2005 Ford E-350 Club Wagon, N/A, w/ Boot. Compatible with 2005 Ford Excursion, N/A, w/ Boot.

This Pioneer Cables 759129 seal is used to restore the sealing surface at the transmission extension housing, helping address fluid seepage at the rear of the transmission. It is a practical replacement for service on Ford E-350 Super Duty and Ford F-250 Super Duty applications where the original seal has aged, hardened, or worn from use.

Common Issues It Can Help Solve

• Transmission fluid leaking from the extension housing area
• Seal hardening or wear from heat and mileage
• Rear transmission seepage after driveline service
• Loss of sealing at the tail housing on boot-equipped applications
• Maintenance replacement during transmission repair

Installation Notes

Verify transmission application and boot-equipped fitment before installation. Inspect the housing surface, shaft area, and surrounding components for wear or damage that could affect sealing. Clean mating surfaces thoroughly and follow the vehicle service procedure for the transmission being repaired.

Quality Assurance

Pioneer Transmission Components markets this part as an exact-fit replacement, built to match the intended application without compromise. The part number 759129 is also referenced by Timken 710537 and 3C3Z7052CA for the same use case.