Pioneer Cables 760004 Automatic Transmission Oil Pump O-Ring

Automatic Transmission Oil Pump O-Ring for Ford and Mercury

Pioneer Cables 760004 is an automatic transmission oil pump O-ring made for exact-fit replacement use in a wide range of Ford, Mercury, and Lincoln applications. It is a direct-fit sealing component for transmission service on vehicles such as the Ford F-150, Bronco, Mustang, and Thunderbird.

• Automatic transmission oil pump O-ring for transmission sealing service
• Exact-fit replacement part from Pioneer Transmission Components
• Compatible with select Ford, Mercury, and Lincoln rear-wheel-drive applications
• Used in C6-related applications and extension housing-to-case locations where specified
• Part number 760004 for catalog lookup and service matching

Fitment and Application Details

This Pioneer Cables 760004 O-ring is used in transmission sealing applications across 1966-1996 Ford, Mercury, and Lincoln vehicles. Confirmed coverage includes Fits 1975-1996 Ford E-150 Econoline, Fits 1975-1996 Ford E-150 Econoline Club Wagon, Fits 1975-1996 Ford E-250 Econoline, Fits 1975-1996 Ford E-350 Econoline, Fits 1977-1996 Ford E-350 Econoline Club Wagon, Fits 1975-1992 Ford F-150, Fits 1975-1996 Ford F-250, Fits 1978-1996 Ford F-350, and additional classic Ford and Mercury models listed in the fitment data. This part cross-references Monroe Shocks & Struts (e.g., 14297, OR20) for the same application.

What This O-Ring Helps Address

• Transmission fluid seepage at the oil pump sealing surface
• Leaks related to worn or flattened pump O-rings
• Service issues during transmission rebuilds or resealing work
• Seal replacement needs on C6-equipped Ford and Mercury applications
• Leak repair at extension housing-to-case locations where noted

Installation Notes and Tips

Verify the transmission family and application notes before installation, especially on vehicles marked “Only Fits C6” or “LCS - extension housing to case.” Clean the sealing surfaces thoroughly and inspect the pump bore and mating components for wear before installing the new O-ring. Use the vehicle year, make, model, and transmission notes to confirm the correct service match for Ford F-100, Mustang, Bronco, Mercury Cougar, and related applications.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts for transmission service, with application-specific coverage intended to match the original sealing function. Part number 760004 is cataloged for direct identification during transmission repair and rebuild work.