Bosch 5643WS Workshop Engine Air Filter

The Bosch 5643WS is a Workshop Series engine air filter engineered to protect your engine from harmful airborne particles. Designed as a direct OE replacement, this panel-style filter delivers reliable filtration performance and a precise fit for straightforward installation.

Key Features:

• 98% Filtration Efficiency — Media constructed with micropores provides a high particle-separation rate to guard against engine wear
• High-Pleat Design — A high number of pleats delivers large dust-holding capacity for extended service life
• High-Velocity Cellulose Cured Media — Minimizes air resistance and maintains even pleat distance for consistent airflow and optimum engine performance
• Resin-Impregnated Construction — Provides stable pleat geometry and moisture resistance for long-term durability
• High-Quality Polyurethane Seal — Prevents bypass of unfiltered air with no loss of filter surface area, while providing elasticity and protection against water and heat
• Direct OE Replacement — Dimensionally validated fit ensures easy, drop-in installation

Replacing a dirty engine air filter with the Bosch 5643WS helps restore engine protection, maintain fuel efficiency, and prevent premature engine wear. Bosch recommends inspecting your engine air filter at every oil change interval.