Bosch 5148WS Engine Air Filter

Bosch Workshop Air Filter 5148WS Overview

The Bosch Workshop Air Filter 5148WS is an engine air filter built for select Mazda applications, including the Mazda CX-7 and Mazda 6. It uses a panel-style design with pleated cellulose media to help keep outside particles out of the engine air stream while maintaining airflow for everyday driving.

Bosch’s Workshop Air Filter line focuses on clean intake air, consistent sealing, and dependable fitment for routine maintenance on Mazda CX-7 and Mazda 6 models.

Key Features

• Panel-style engine air filter for the intake system
• High-pleat media design for increased filtering surface area
• Cellulose cured filter media with 98% filtering efficiency
• Polyurethane seal helps maintain surface integrity and sealing performance
• Seal material is designed to resist water and heat exposure
• Part number 5148WS for easy identification and ordering

Detailed Description

Bosch 5148WS is an engine air filter engineered to support clean airflow into the engine on 2007-2012 Mazda CX-7 and 2003-2008 Mazda 6 applications. The pleated panel construction increases media area, while the cured cellulose filter media is designed to capture airborne contaminants before they reach the intake system. The polyurethane seal helps the filter maintain its shape and sealing performance under normal underhood conditions.

This Bosch Workshop Air Filter is a direct maintenance part for drivers searching for a Mazda CX-7 engine air filter, Mazda 6 air filter replacement, or Bosch 5148WS filter for routine service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Dirty intake air entering the engine
• Reduced filtration performance from a worn air filter
• Loss of sealing at the filter perimeter
• Contaminant buildup in the intake tract
• Routine air filter service intervals on Mazda CX-7 and Mazda 6 models

Installation Notes and Tips

Verify the existing filter shape and housing style before installation. This Bosch 5148WS is a panel air filter, so it should match the factory airbox configuration on the listed Mazda applications. Inspect the air filter housing for debris and confirm the seal seats evenly before closing the cover.

Compatible With 2007-2012 Mazda CX-7 and 2003-2008 Mazda 6. Search terms such as Mazda CX-7 engine air filter replacement, Mazda 6 workshop air filter, and Bosch 5148WS fitment all point to the same maintenance part.

Quality Assurance

Bosch designs this Workshop Air Filter with a high pleat count, 98% filtering efficiency, and a polyurethane sealing edge to support consistent filtration and fit. The Bosch 5148WS is built for the listed Mazda applications and follows Bosch’s established filter construction standards.