Autobest F321S Fuel Pump Strainer

Fuel Pump Strainer for Jeep and Saturn

The Autobest F321S fuel pump strainer helps keep fuel delivery clean by filtering debris before it reaches the pump and fuel system. Built with top-grade components and tested throughout manufacturing, it is made for dependable service in vehicles that need a push-fit fuel pump strainer.

• Fuel pump strainer for cleaner fuel pickup
• Push-fit strainer type for direct pump-side installation
• Filters particles down to 60 µm
• Constructed with quality materials for durability and reliability
• Designed for Jeep Grand Cherokee, Cherokee, TJ, and Wrangler applications, plus select Saturn models
• Autobest F321S replacement strainer

Detailed Product Overview

Autobest F321S is a fuel pump strainer intended for on-pump applications where the fuel pump draws fuel through a fine inlet filter. It is a practical replacement for service work on 1997-2004 Jeep Grand Cherokee, 1997-2001 Jeep Cherokee, 1997-2004 Jeep TJ, 1997-2004 Jeep Wrangler, and select 1997-2002 Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 models. This part cross-references Airtex Fuel Pumps FS220 and Carter STS-239 for the same application.

What It Helps Address

• Restricted fuel flow caused by a clogged pump inlet screen
• Debris entering the fuel pump during tank service
• Poor pump inlet filtration on aging fuel systems
• Contamination-related fuel delivery issues in Jeep Grand Cherokee and Wrangler applications
• Service replacement for Saturn SC1, SC2, SL, and SW models with on-pump strainer setups

Installation Notes

Install as a push-fit fuel pump strainer on the pump inlet. Verify the pump style and vehicle application before service, and follow the vehicle-specific procedure for fuel tank access and pump removal. For listed Jeep and Saturn applications, note the fitment remark: when replacing the pump only, both strainers are required on applicable setups.

Quality Assurance

Autobest uses top-quality materials and tests fuel pump components at multiple stages of manufacturing to support durability and reliability. Part number F321S is backed by a Limited Lifetime Warranty.