Pioneer Cables 759058 Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal

Pioneer Cables 759058 is an automatic transmission extension housing seal for select Nissan and Subaru applications. It is an exact-fit replacement part built for direct service use in vehicles such as the Nissan 200SX, 300ZX, Maxima, 280ZX, 510, 810, and Subaru Standard.

Key Features

• Direct replacement automatic transmission extension housing seal
• Fits select Nissan and Subaru rear transmission applications
• Built to match the original service part form and function
• Supports sealing at the transmission extension housing interface
• Pioneer Cables part number 759058

Fitment Details

• Fits 1987 Nissan 200SX, N/A; only fits 3N71B, 4N71B, L3N71B
• Fits 1984-1987 Nissan 300ZX, N/A
• Fits 1977-1986 Nissan 200SX, N/A
• Fits 1982-1984 Nissan Maxima, N/A
• Fits 1979-1983 Nissan 280ZX, N/A
• Fits 1980-1982 Subaru Standard, N/A
• Fits 1978-1981 Nissan 510, N/A
• Fits 1977-1981 Nissan 810, N/A
• Fits 1972-1973 Nissan 510, N/A; only fits 4N71B, L3N71B, L4N71B

What This Seal Helps Address

• Transmission fluid seepage at the extension housing
• Leaks caused by a worn or hardened seal
• Service replacement needs during transmission maintenance
• Seal deterioration on older Nissan and Subaru automatic transmissions

Installation Notes and Tips

Verify transmission code and application notes before installation. This part is listed for specific units, including 3N71B, 4N71B, L3N71B, and L4N71B where noted, so matching the transmission model is essential for correct service. Clean the sealing surface thoroughly and inspect the housing for wear before installing the new seal.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts for service applications, with a focus on direct fit and consistent replacement quality. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.