Bosch 5075WS Engine Air Filter

Bosch Workshop Air Filter 5075WS

The Bosch Workshop Air Filter 5075WS is an engine air filter built for direct-fit applications on select Mazda, Ford, and Mercury vehicles. It uses a panel-style design with a high pleat count and cellulose cured media to help keep outside particles out of the engine air stream.

For drivers searching for a Bosch 5075WS air filter for a Mazda Miata, Ford Escort, or Mercury Tracer, this filter is built to support clean intake airflow and consistent engine protection. The polyurethane seal is designed to maintain surface contact while resisting water and heat exposure.

Key Features

• Panel-style engine air filter for select factory airbox applications
• High pleat count for increased filter media surface area
• Cellulose cured media with 98% filtering efficiency
• Polyurethane seal for elasticity and sealing performance
• Built to help protect the engine from airborne contaminants
• Bosch Workshop Air Filter line for workshop and maintenance use

Product Details

Bosch 5075WS is an engine air filter designed around a high-velocity cellulose media and a durable polyurethane seal. The pleated construction increases available filtration area, while the sealing material helps preserve fit and reduce bypass at the airbox interface. This Bosch Workshop Air Filter is a practical replacement choice for routine intake service on vehicles such as the Mazda Miata, Ford Escort, Mercury Tracer, Mazda 323, and Mazda Protege.

This part cross-references B6S713Z409U for the same application.

What It Helps Address

• Restricted airflow caused by a loaded or dirty air filter
• Engine intake contamination from dust and road debris
• Loss of filtration efficiency from worn filter media
• Seal degradation from heat and moisture exposure
• Maintenance intervals requiring a direct-fit replacement air filter

Installation Notes and Tips

Install the Bosch 5075WS in the factory air filter housing for the listed applications. Confirm the panel shape and height match the original filter before installation. Inspect the airbox, lid, and sealing surfaces for dirt or damage before closing the housing to help maintain proper filtration performance.

Compatible With 1990-1997 Mazda Miata, N/A; 1991-1996 Ford Escort, N/A; 1991-1996 Mercury Tracer, N/A; 1990-1994 Mazda 323, N/A; and 1990-1994 Mazda Protege, N/A.

Quality Assurance

Bosch designs this Workshop Air Filter with pleated cellulose media and a polyurethane seal to support filtration efficiency, sealing integrity, and resistance to water and heat. The Bosch 5075WS is built for dependable service in the listed vehicle applications.