Pioneer Cables 759039 Automatic Transmission Extension Housing Seal - Outer

Automatic Transmission Extension Housing Seal

Pioneer Cables 759039 is an automatic transmission extension housing seal made for exact-fit replacement service. It is built for Chrysler, Dodge, Plymouth, and select Toyota applications where a precise sealing surface is needed at the transmission extension housing.

Key Features

• Exact-fit replacement from Pioneer Transmission Components
• Automatic transmission extension housing seal for sealing the transmission housing area
• Direct application coverage for many Chrysler, Dodge, Plymouth, and Toyota vehicles
• Fits outer-position applications and select output applications listed below
• Part number 759039 for easy identification during service

Detailed Description

This Pioneer Cables extension housing seal is engineered as a direct replacement for vehicles using the listed transmission configurations. It is a practical choice for service work on models such as Chrysler Sebring, Chrysler Town & Country, Dodge Caravan, Dodge Grand Caravan, and Plymouth Voyager, along with additional Chrysler, Dodge, Plymouth, and Toyota Pickup applications. The 759039 seal is intended to restore the sealing interface at the transmission extension housing and support proper fluid retention at the rear of the transmission assembly.

This part cross-references Timken 3459S and Dorman - HELP 15750 for the same application.

What This Part Helps Address

• Transmission fluid seepage at the extension housing area
• Seal wear from age, heat, and drivetrain movement
• Service replacement needs on high-mileage Chrysler and Dodge minivans
• Rear transmission sealing concerns on select Toyota Pickup output applications

Installation Notes and Tips

• Verify transmission type and position before ordering, especially on 1989-1993 Chrysler Daytona and Dynasty models with 40TE, 41AE, 41TE, or A604 (41TE) notes.
• Confirm whether the application is listed as Outer or N/A in the fitment data.
• Inspect the sealing surface and surrounding components for wear or damage before installation.
• Use the vehicle’s service information for the correct installation procedure and fluid refill requirements.

Quality Assurance

Pioneer Transmission Components states that its replacement parts are made for exact fit and direct replacement service, supporting consistent installation on the listed applications.