Bosch P3877WS Cabin Air Filter

Bosch Cabin Filter P3877WS for Ford and Lincoln

Bosch Cabin Filter P3877WS is an OEM standard particulate cabin air filter built for select Ford and Lincoln trucks and SUVs. It uses multiple layers of filter media to capture dirt and environmental particles before they enter the passenger compartment, helping maintain cleaner in-cabin air for daily driving.

Key Features

• Particulate cabin air filter for HVAC filtration
• Multiple layers of spunbound polyester and synthetic meltblow fibers
• Designed to capture 80% of dirt and environmental particles
• OEM standard part for direct replacement service
• Fits select Ford F-150, Ford Expedition, Ford F-250 Super Duty, Ford F-350 Super Duty, and Lincoln Navigator applications
• Previously cataloged as Bosch P3877

Product Details

Bosch Cabin Filter P3877WS is designed for vehicles that use a particulate-style cabin filter rather than an activated carbon odor filter. The filter media combines spunbound polyester with synthetic meltblow fibers to provide layered particle capture inside the HVAC system. For drivers searching for a cabin air filter for 1997-2004 Ford F-150, 1997-2003 Ford Expedition, or 1998-2004 Lincoln Navigator, this Bosch part number P3877WS matches the listed applications and supports routine cabin air maintenance.

This part cross-references Ford F65Z19N619AB for the same application.

What It Helps Address

• Dust entering the cabin through the HVAC intake
• Road debris and airborne environmental particles
• Reduced cabin air cleanliness during normal driving
• HVAC filtration service intervals on older Ford and Lincoln platforms
• Replacement needs for a worn or clogged cabin filter

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering. This Bosch cabin filter P3877WS is listed for 1997-2004 Ford F-150, 2004 Ford F-150 Heritage, 1998-2004 Lincoln Navigator, 1997-2003 Ford Expedition, 1999-2003 Ford F-250 Super Duty, 1999-2003 Ford F-350 Super Duty, 2002 Lincoln Blackwood, 1997-1999 Ford F-250, and 1997 Ford F-350. Replace the filter at the recommended 12,000-mile interval or sooner if airflow drops or the cabin air becomes noticeably dusty.

Quality Assurance

Bosch designs this cabin filter as an OEM standard replacement part for the listed Ford and Lincoln applications. The particulate media construction and application-specific fitment support consistent HVAC filtration service for routine maintenance.