MAHLE 13717521033 Engine Air Filter Panel

The MAHLE 13717521033 (LX944) is a premium OE-quality engine air filter designed to deliver exceptional filtration performance and engine protection. This direct-replacement panel filter features advanced pleated paper media engineered to capture up to 99.9 percent of dust, soot, and tire wear particles while maintaining optimal airflow for maximum engine efficiency.

Key Features:

• OE manufacturer part number 13717521033; also known as MAHLE LX944
• Panel-style filter design measuring 11.6 inches long x 9.1 inches wide x 1.86 inches high
• Premium white paper filter media with high particle uptake capacity
• Specially impregnated synthetic resin construction for water and chemical resistance
• Form-fitted polyurethane foam seal prevents bypass air contamination
• Glue bead reinforcement maintains filter element shape under extreme conditions

Quality and Performance:

MAHLE has been manufacturing precision filtration products since 1929 and supplies OE filters to major vehicle manufacturers worldwide. This air filter prevents premature wear of valves, cylinder surfaces, piston rings, bearings, and other critical engine components while ensuring optimal air-fuel mixture for premium engine performance, high torque, low fuel consumption, and minimized emissions.

Replaces BMW part numbers 13717521033 and 13717521038. Also cross-references to W0133-1631521 and W0133-1763014. For best results, replace at manufacturer-recommended service intervals.