Pioneer Cables 745049 Transmission Filter Kit

Transmission Filter Kit for THM325 Applications

Pioneer Cables Premium Replacement 745049 is a transmission filter kit for select GM vehicles equipped with the THM325/M32 transmission. It is listed for Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado applications from 1979 through 1981, with a 1979 Cadillac Eldorado note specifying THM325/M32 fitment.

Key Features

• Transmission filter kit for service work on select automatic transmissions
• Premium Replacement product line for direct-fit service applications
• Fits 1979-1981 Buick Riviera
• Fits 1980-1981 Cadillac Eldorado and 1980-1981 Cadillac Seville
• Fits 1979-1981 Oldsmobile Toronado
• Fits 1979 Cadillac Eldorado, only with THM325/M32
• Part number 745049 for catalog and cross-reference lookup

Detailed Description

This Pioneer Cables 745049 transmission filter kit is cataloged for GM rear-wheel and front-wheel drive service applications using the THM325/M32 transmission family. The Premium Replacement line identifies it as a service part built for direct replacement use in the listed Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado models. This part cross-references Gates 18112 and Four Seasons 58887 for the same application.

Common Service Issues

• Restricted transmission fluid flow from a clogged filter
• Delayed or inconsistent shifting related to contaminated fluid
• Service maintenance on a THM325/M32-equipped transmission
• Fluid debris buildup after transmission pan service
• Restoration work on listed Buick, Cadillac, and Oldsmobile models

Installation Notes and Tips

Verify transmission identification before ordering, especially on the 1979 Cadillac Eldorado, which is listed only for THM325/M32. Confirm the vehicle year and model against the fitment data for Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado. Clean the transmission pan and inspect the sealing surfaces during filter service.

Quality Assurance

Pioneer Cables Premium Replacement parts are cataloged for direct replacement service applications and supported by interchange references for parts lookup and verification. Use the part number 745049 to confirm the correct transmission filter kit for the listed vehicles.