Bosch P3891WS Cabin Air Filter

Bosch Cabin Filter P3891WS Overview

Bosch P3891WS is an OEM-standard particulate cabin air filter built for Nissan and INFINITI applications that call for clean interior airflow and dependable filtration. It uses layered filter media to capture dirt and environmental particles before they enter the passenger compartment.

The Bosch Cabin Filter line focuses on practical cabin air protection for daily driving. For drivers searching for a cabin air filter for 2005-2015 Nissan Armada, 2004-2015 Nissan TITAN, or 2004-2010 INFINITI QX56, P3891WS provides a direct-fit filtration solution.

Key Features

• Particulate cabin air filter for HVAC intake filtration
• Multiple layers of spunbound polyester and synthetic meltblown fibers
• Captures up to 80% of dirt and environmental particles entering the vehicle
• OEM standard part construction
• Designed for passenger comfort and cleaner cabin air
• Recommended replacement interval: 12,000 miles

Detailed Product Description

Bosch P3891WS is engineered as a particulate cabin filter for vehicles equipped with the listed HVAC filter location. The layered media is designed to trap airborne debris, dust, and other environmental particles before they circulate through the cabin. This helps maintain cleaner air inside the vehicle and supports the well-being of passengers during everyday commuting and long-distance driving. If you are replacing a cabin air filter for 2004-2015 Nissan TITAN, 2005-2015 Nissan Armada, or 2004-2010 INFINITI QX56, this Bosch cabin filter matches the application requirements for those vehicles.

This part cross-references Nissan 27277VP00A for the same application.

What This Cabin Filter Helps Address

• Dust entering the HVAC system
• Road grime and airborne debris in the passenger cabin
• Reduced cabin air cleanliness from a loaded filter
• Routine maintenance needs tied to HVAC airflow service
• Interior air quality concerns during daily driving

Installation Notes and Tips

Replace the cabin filter at the recommended 12,000-mile interval, or sooner if airflow drops or the filter is visibly loaded with debris. Confirm the vehicle’s cabin filter location before service and verify fitment against the model year listed for your Nissan Armada, Nissan TITAN, or INFINITI QX56. Bosch P3891WS is an OEM-standard replacement designed for straightforward service in the specified applications.

Quality Assurance

Bosch cabin filters are built to OE-standard expectations for fit and filtration performance in the listed applications. The P3891WS uses multi-layer media construction to provide consistent particulate capture for compatible Nissan and INFINITI vehicles.