Bosch 77052WS Fuel Filter

Bosch Gasoline Fuel Filter 77052WS

Bosch 77052WS is an in-line gasoline fuel filter built for vehicles that need clean fuel delivery and consistent engine protection. It uses premium materials and Bosch fuel-system expertise to deliver high-efficiency filtration with 99% fuel filtration, helping maintain performance in daily driving and demanding conditions.

Key Features

• In-line gasoline fuel filter for fuel system service
• Premium-quality construction for dependable filtration
• 99% fuel filtration to help protect injectors and engine components
• Designed for gasoline applications
• Direct replacement style for select Chevrolet, GMC, Oldsmobile, and Isuzu vehicles

Product Details

The Bosch Gasoline Fuel Filter line focuses on maintaining clean fuel flow through the injection system. Part number 77052WS is engineered for vehicles such as the Chevrolet Blazer, Chevrolet S10, GMC Sonoma, GMC Jimmy, Oldsmobile Bravada, and related applications, including select Chevrolet Express and GMC Savana vans. This part cross-references 25161801 and 25164003 for the same application. If you are searching for a Bosch fuel filter for a 1997-2005 Chevrolet Blazer or a 1997-2004 GMC Sonoma, 77052WS is built for those gasoline fuel delivery needs.

What It Helps Address

• Restricted fuel flow from a clogged filter
• Contaminants reaching the fuel injection system
• Rough running caused by dirty fuel delivery
• Loss of engine performance from fuel-side restriction
• Premature wear on fuel system components

Installation Notes and Tips

Compatible With 1997-2005 Chevrolet Blazer, 1997-2004 Chevrolet S10, 2002-2004 Chevrolet Tahoe, 1997-2004 GMC Sonoma, 2002-2004 GMC Yukon, 2002-2004 GMC Yukon XL 1500, 1997-2002 GMC Jimmy, 1997-2001 Oldsmobile Bravada, 2000 Chevrolet Express 1500/2500/3500, 2000 GMC Savana 1500/2500/3500, 1997-2000 Isuzu Hombre, and 1996-1999 Chevrolet Express and GMC Savana vans. One listed application uses a quick connect on one end; verify the existing filter style and fuel line connection before replacement. Bosch recommends replacement at the manufacturer-specified service interval.

Quality Assurance

Bosch builds this fuel filter with modern production methods and fuel-system knowledge to support reliable filtration performance. The Bosch 77052WS is intended to help maintain dependable operation and extend engine life through regular fuel filter service.