Hengst H337WK Fuel Filter - In-Line

Hengst H337WK Fuel Filter for BMW Diesel Applications

The Hengst H337WK is an in-line fuel filter built with synthetic blend filter media for clean fuel delivery in select BMW applications. It is listed for 2009-2011 BMW 335d and 2009-2010 BMW 120i models with a maximum pressure rating of 8 bar.

Key Features

• Synthetic blend filter media for fuel filtration
• In-line fuel filter design
• Maximum pressure rating: 8 bar
• Direct fitment for select BMW 335d and BMW 120i applications
• Hengst part number H337WK

Detailed Description

Hengst H337WK is a fuel filter for BMW diesel and gasoline applications that require an in-line filter with synthetic blend media. It is listed for 2009-2011 BMW 335d, in-line, and 2009-2010 BMW 120i, in-line, with a maximum pressure specification of 8 bar. This part number, H337WK, is also referenced for service and catalog lookup alongside OE-style cross references used in the same application.

This part cross-references 7793672 and WK 523 for the same application.

What It Helps Address

• Restricted fuel flow caused by a loaded filter element
• Fuel contamination entering the delivery system
• Rough running related to inadequate filtration
• Pressure-related fuel delivery issues in in-line systems
• Service replacement needs for BMW 335d and BMW 120i fuel filtration

Installation Notes and Tips

Verify the vehicle application before installation. This fuel filter is listed for in-line mounting and should be matched to the correct BMW 335d or BMW 120i year range and pressure specification. Confirm the fuel system layout and part number H337WK against the existing filter before service.

Quality Assurance

Hengst manufactures filtration components for automotive fuel systems, and this filter uses synthetic blend media for the specified application. Confirm fitment by year, model, and in-line configuration before ordering.