Wix 58929 Transmission Filter Kit

Wix 58929 Transmission Filter Kit

The Wix 58929 transmission filter kit is built for automatic transmissions that need clean, controlled fluid flow. It uses application-specific filtration media and sealed construction to help keep unfiltered fluid from bypassing the filter, making it a practical choice for service on older Ford and Mercury vehicles.

Compatible With 1975-1997 Ford and Mercury applications, including Ford F-150, F-250, F-350, Bronco, E-Series vans, Mustang, LTD, Thunderbird, and Mercury Marquis, Cougar, Grand Marquis, and Montego. This part cross-references FRAM FT1037 and Purolator P235 for the same application.

Key Features

• Automatic transmission filter kit for service use
• Lock-seamed and sealed assembly helps maintain full fluid filtration
• Application-specific sealing components support proper transmission service
• Includes sealing gaskets designed for modern transmission fluids
• Closed inner diameter top and automatic transmission filter style
• Class D, light-duty construction

Product Details

Wix 58929 is a transmission filter kit engineered for automatic transmission service where clean fluid is critical to shift quality and internal component protection. The filter design is intended to keep fluid moving through the filtration media rather than around it, while the included sealing components are matched to the demands of today’s transmission fluids. For Ford F-150, Ford Bronco, and E-Series Econoline service, this kit supports routine maintenance on C6-equipped applications listed in the fitment data.

Common Service Issues Addressed

• Restricted transmission fluid flow caused by a loaded or aging filter
• Contamination in automatic transmission fluid during routine service
• Poor sealing at the filter or gasket interface
• Maintenance needs on older Ford C6 automatic transmissions
• Service replacement for worn transmission filter components

Installation Notes and Tips

• Verify transmission code and vehicle fitment before installation, especially on 1997 Ford E-Series and 1992 Ford truck applications with C6 notes.
• Inspect the pan, valve body area, and sealing surfaces before installing the new filter kit.
• Replace the gasket and confirm proper seating to help prevent leaks after service.
• Use the correct automatic transmission fluid specified for the vehicle and transmission.
• After installation, check fluid level and inspect for seepage with the engine running and transmission at operating temperature.

Quality Assurance

Wix transmission filter kits are built with sealed assemblies and application-specific sealing components to support complete filtration during service. The brand’s design approach focuses on preventing bypass and maintaining filtration integrity in automatic transmission applications.