Bosch P3955WS Cabin Air Filter

Bosch Cabin Filter P3955WS for Ford and Lincoln

Bosch P3955WS is an OEM standard particulate cabin air filter for select Ford and Lincoln applications. It uses multiple layers of spunbound polyester and synthetic meltblow fibers to capture dirt and environmental particles before they enter the passenger compartment.

Built for Ford F-150, Ford F-150 Lightning, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Expedition, and Lincoln Navigator applications, this Bosch Cabin Filter supports cleaner in-cabin air for daily driving and workshop service replacement needs.

Key Features

• Particulate cabin air filter for HVAC filtration
• Multiple-layer media construction for particle capture
• Spunbound polyester with synthetic meltblow fibers
• OEM standard part design
• Single-filter replacement format
• Non-activated carbon design
• Non-HEPA cabin filter construction

Product Details

Bosch Cabin Filter P3955WS is designed to reduce the amount of dirt and airborne environmental particles entering the vehicle cabin through the HVAC system. The particulate media focuses on filtration efficiency for dust, road debris, and other common contaminants, making it a practical replacement for drivers who want to maintain cabin air quality in Ford F-150 and Ford Expedition platforms as well as Lincoln Navigator models. This part cross-references Ford FL3Z19N619A and KL3Z19N619AA for the same application.

Compatible With 2023-2026 Ford F-150, N/A; 2022-2026 Ford F-150 Lightning, N/A; 2025-2026 Ford F-250 Super Duty, N/A; 2025-2026 Ford F-350 Super Duty, N/A; 2021-2024 Ford Expedition, N/A; 2022-2024 Lincoln Navigator, N/A; 2015-2022 Ford F-150, N/A; 2017-2022 Ford F-250 Super Duty, N/A; 2017-2022 Ford F-350 Super Duty, N/A; 2019-2021 Lincoln Navigator, N/A; 2018-2020 Ford Expedition, N/A.

What It Helps Address

• Dust entering the cabin through the HVAC intake
• Reduced airflow caused by a loaded cabin filter
• Accumulation of road particles in the ventilation system
• Passenger discomfort from a neglected filter element
• Routine maintenance replacement for Ford and Lincoln HVAC systems

Installation Notes and Tips

Replace the cabin air filter according to the vehicle service schedule or when airflow and cabin air quality begin to decline. Verify the filter orientation before installation and inspect the HVAC housing for debris before closing the access panel. For fitment, use the vehicle-specific application listing for your Ford F-150, Ford F-150 Lightning, Ford Super Duty, Expedition, or Lincoln Navigator.

Quality Assurance

Bosch designs this cabin filter as an OEM standard replacement with layered media intended to capture a high percentage of dirt and environmental particles entering the passenger compartment. The Bosch Cabin Filter line focuses on consistent filtration performance for everyday service use.