ATP Parts B-399 Transmission Filter Kit

Transmission Filter Kit for Ford and Lincoln

ATP Parts B-399 is a Premium Replacement transmission filter kit built to help keep transmission fluid clean as the transmission accumulates normal wear debris. Clean fluid helps protect the valve body and other internal components from clogging, which supports smoother operation and helps reduce avoidable repair costs.

This ATP Parts Premium Replacement line focuses on OE-style service parts for routine transmission maintenance. The B-399 transmission filter kit is a direct-fit service solution for select Ford F-150, Ford Expedition, Ford Mustang, Ford F-250 Super Duty, Ford F-350 Super Duty, and Lincoln Navigator applications.

Key Features

• Transmission filter kit for routine service and fluid maintenance
• Helps keep transmission fluid cleaner by capturing wear debris
• Supports valve body and internal transmission component protection
• Premium Replacement line from ATP Parts
• Fits select 2011-2018 Ford and Lincoln applications
• Part number B-399 for easy identification

Detailed Description

ATP Parts B-399 is designed for drivers servicing a Ford F-150 transmission filter kit, Ford Expedition transmission filter kit, or Lincoln Navigator transmission filter kit application. It also covers select Ford Mustang, Ford F-250 Super Duty, and Ford F-350 Super Duty models. Regular filter replacement helps remove debris created by normal wear so transmission fluid can continue doing its job of lubricating and protecting critical hydraulic components.

This part cross-references Ford BL3Z 7A098-A for the same application. If you are searching for an ATP transmission filter kit B-399 for 2011-2017 Ford F-150, 2011-2017 Ford Expedition, or 2011-2017 Lincoln Navigator service, this part matches those listed applications.

What It Helps Address

• Dirty transmission fluid from normal wear and tear
• Debris buildup that can restrict valve body passages
• Transmission shifting issues related to restricted fluid flow
• Preventive maintenance needs during transmission service
• Reduced service life caused by contaminated fluid

Installation Notes and Tips

Install during a transmission service when the pan is removed, and verify the vehicle application before ordering. For 2018 Ford F-150, 2018 Ford F-250 Super Duty, and 2018 Ford F-350 Super Duty, the notes specify filter and gasket with pan. For 2011-2017 Ford Expedition, 2011-2017 Ford F-150, 2011-2017 Ford Mustang, and 2011-2017 Lincoln Navigator, the listing specifies filter and gasket. Always follow the vehicle service procedure and inspect the pan and sealing surfaces before reassembly.

Quality Assurance

ATP Parts positions this item in its Premium Replacement line, offering an OE-style service part for transmission maintenance. The manufacturer’s guidance emphasizes keeping transmission fluid clean to help protect vital internal components and extend transmission life through regular filter replacement.