ATP Parts B-39 Transmission Filter Kit

Transmission Filter Kit for Ford and Mercury

ATP Parts B-39 is a Premium Replacement transmission filter kit built to keep transmission fluid clean and protect internal components from wear-related debris. For classic Ford, Lincoln, and Mercury applications, this transmission service kit supports routine maintenance that helps preserve valve body function and overall transmission performance.

Key Features

• Brand: ATP Parts
• Brand line: Premium Replacement
• Part number: B-39
• Transmission filter kit for service maintenance
• Includes a gasket and screen for the listed applications
• Length: 7.3125 in.
• Designed for vehicles with a 3rd hand gasket and open slot configuration

Why This ATP Transmission Filter Kit Matters

Transmission fluid carries wear particles over time, and a clogged filter can restrict flow through the valve body and other critical transmission passages. ATP Parts B-39 is made for owners servicing older Ford F-100, Mustang, Bronco, and Mercury Cougar applications who need a direct-fit transmission filter kit for routine fluid service. This part cross-references Monroe Shocks & Struts (e.g., 33222, 33275) for the same application.

What It Helps Address

• Dirty transmission fluid circulation
• Debris buildup from normal transmission wear
• Restricted flow through the valve body
• Service intervals on older automatic transmissions
• Reduced transmission life from neglected filter maintenance

Fitment Notes

• Fits 1980-1982 Ford F-100, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1978 Ford F-100, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1978-1982 Ford Fairmont, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1980-1982 Ford Mustang, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1973 Ford Mustang, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1978-1982 Ford Thunderbird, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1979-1982 Mercury Capri, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1977 Mercury Capri, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1982 Mercury Cougar, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1978-1981 Mercury Zephyr, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1977-1980 Ford LTD, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1974-1975 Ford LTD, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1972 Ford LTD, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1980 Ford Pinto, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1973 Ford Pinto, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1980 Lincoln Versailles, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1977-1978 Lincoln Versailles, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1980 Mercury Grand Marquis, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1980 Mercury Marquis, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1974 Mercury Marquis, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1977-1980 Mercury Monarch, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1975-1976 Mercury Monarch, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1972-1976 Mercury Montego, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1974 Mercury Cougar, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971-1973 Ford Bronco, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"
• Fits 1971 Mercury Capri, N/A; W/ 3rd Hand Gasket, With Open Slot; Length: 7.3125"

Installation Notes and Tips

Confirm the transmission uses the listed open-slot, 3rd hand gasket configuration before ordering. Match the filter length and application details to the vehicle’s transmission service requirements, and inspect the pan and sealing surfaces during installation to help maintain a clean fluid path.

Quality Assurance

ATP Parts positions this kit in its Premium Replacement line for service-focused fitment on older Ford, Lincoln, and Mercury transmissions. Regular filter replacement helps keep transmission fluid cleaner and supports long-term transmission maintenance.