Pioneer Cables 759053 Automatic Transmission Oil Pump Seal - Front

Automatic Transmission Oil Pump Seal for Select Nissan, Mazda, and Ford Applications

Pioneer Cables 759053 is an automatic transmission oil pump seal made for direct-fit replacement in select front-position applications. It is built for vehicles such as the Nissan 280ZX, Mazda RX-7, and Ford Courier where a precise seal is needed to help maintain transmission fluid control.

Key Features

• Automatic transmission oil pump seal for front-position applications
• Exact-fit replacement part from Pioneer Transmission Components
• Built for select Nissan, Mazda, Mitsubishi, Chrysler, Plymouth, and Ford vehicles
• Fits applications including Nissan 300ZX, Mazda B2200, and Ford Courier
• Cross-references National 1953 and SKF 16517 for the same application

Detailed Description

Pioneer Cables 759053 is an OE-style automatic transmission oil pump seal for front-mounted applications in a wide range of import and domestic vehicles. This seal is used in transmissions found in models such as the 1979-1983 Nissan 280ZX, 1979-1983 Mazda 626, 1984-1987 Nissan 300ZX, and 1975-1982 Ford Courier. It also covers select 1987 Nissan 200SX applications with 3N71B, 4N71B, and L3N71B transmission notes. The part number 759053 is a practical replacement choice when servicing transmission sealing points on older Nissan, Mazda, and related platforms.

What This Part Helps Address

• Transmission fluid seepage at the oil pump seal area
• Seal wear from age, heat, and fluid exposure
• Leak-related loss of hydraulic pressure in the transmission
• Service needs during transmission rebuild or overhaul
• Replacement of a damaged or hardened front pump seal

Installation Notes and Tips

Verify transmission code and fitment notes before installation, especially on 1987 Nissan 200SX models that require 3N71B, 4N71B, or L3N71B applications. Confirm the seal location and inspect the pump bore, shaft surface, and surrounding sealing surfaces for wear or damage before assembly. Proper cleaning and careful seating help support a correct installation.

Quality Assurance

Pioneer Transmission Components are positioned as exact-fit replacement parts, giving technicians and DIY installers a direct replacement option for service work. Part number 759053 is supported by listed interchange references including National 1953 and SKF 16517.