Bosch 77037WS Fuel Filter

Bosch Gasoline Fuel Filter 77037WS

Bosch 77037WS is an in-line gasoline fuel filter built for clean fuel delivery and consistent engine protection. It uses premium materials and Bosch fuel-system expertise to deliver high-efficiency filtration for vehicles that require dependable fuel cleanliness.

Compatible With 2004-2007 Cadillac CTS, 2004-2009 Cadillac SRX, and 2005-2011 Cadillac STS gasoline applications, this Bosch Gasoline Fuel Filter line is focused on maintaining fuel-system performance in everyday driving conditions.

Key Features

• In-line fuel filter for gasoline fuel systems
• Engineered for 99% fuel filtration
• Built with premium-quality materials and modern production methods
• Supports fuel-system cleanliness to help maintain performance
• Bosch Gasoline Fuel Filter line for service replacement applications
• Part number 77037WS for accurate ordering and fitment lookup

Detailed Description

Bosch 77037WS is a gasoline fuel filter designed to trap contaminants before they reach sensitive injection components. The in-line mounting style makes it a direct service part for vehicles that use this configuration, and the filter media is engineered to support high-efficiency fuel filtration. For Cadillac CTS, Cadillac SRX, and Cadillac STS models in the listed years, this part helps maintain clean fuel flow and stable engine operation. Bosch recommends replacing the fuel filter at the manufacturer-specified interval to preserve performance and extend engine life.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Fuel contamination reaching the injection system
• Restricted fuel flow from a loaded or aging filter
• Rough running caused by dirty fuel delivery
• Loss of performance related to poor fuel cleanliness
• Service interval maintenance on Cadillac CTS, SRX, and STS gasoline models

Installation Notes and Tips

Install Bosch 77037WS in the vehicle’s in-line fuel filter location and verify the fuel type is gasoline before replacement. Follow the factory service procedure for depressurizing the fuel system, and confirm the replacement interval in the owner’s or service manual. Use the vehicle’s year, make, and model details to verify fitment before installation.

Quality Assurance

Bosch fuel filters are produced with quality materials and manufacturing methods developed around fuel-injection system requirements. The Bosch Gasoline Fuel Filter line is built to support dependable filtration and consistent service life when maintained at the recommended interval.