Bosch 5545WS Engine Air Filter

Bosch Workshop Air Filter 5545WS

The Bosch Workshop Air Filter 5545WS is an engine air filter built for classic GM and Jeep applications that need clean intake airflow and dependable engine protection. It uses a radial shape, a pleated cellulose media, and a polyurethane seal to help keep outside particles out of the engine.

For drivers searching for a Bosch air filter for Chevrolet Camaro, Pontiac Firebird, or Buick Regal applications, this part number 5545WS is a direct fit for a wide range of 1968-1992 vehicles.

Key Features

• High-pleat design increases filter media area for intake air filtration
• Cellulose cured media with 98% filtering efficiency
• Polyurethane seal helps maintain surface integrity and sealing performance
• Seal material is built to resist water and heat exposure
• Radial shape for listed workshop air filter applications
• Bosch Workshop Air Filter line focuses on clean airflow and engine protection

Product Details

Bosch Workshop Air Filter 5545WS is engineered to support clean air delivery into the engine by trapping airborne contaminants before they enter the intake system. The pleated media design provides a large filtration surface, while the polyurethane seal helps preserve fit and sealing consistency under operating conditions. Bosch positions this filter line around strong engine protection and steady performance through efficient air filtration.

This part number 5545WS is listed for many classic Chevrolet, Pontiac, Buick, Cadillac, Oldsmobile, GMC, and Jeep models, including Chevrolet Camaro, Pontiac Firebird, Buick LeSabre, and Chevrolet Nova applications. It is a practical choice for owners maintaining original-style intake filtration on older vehicles.

This part cross-references AC Delco A151C and Fram CA162 for the same application.

What It Helps Address

• Restricted airflow caused by a dirty or clogged engine air filter
• Dust and debris entering the intake system
• Reduced filtration efficiency in aging filter media
• Seal wear that can allow unfiltered air past the filter edge
• Routine maintenance needs on classic Chevrolet, Pontiac, and Buick vehicles

Installation Notes

Verify the air cleaner housing shape and application before installation. Confirm the listed year, make, and model match your vehicle, since Bosch 5545WS is used across multiple classic platforms. Inspect the air box and sealing surface for dirt or damage before installing the new filter, and replace the filter at regular service intervals based on driving conditions.

Quality Assurance

Bosch Workshop Air Filter 5545WS is built with pleated cellulose media and a polyurethane seal to support consistent filtration and sealing performance. Bosch’s filter design emphasizes clean intake air for engine protection in the listed applications.