Carquest Premium Fuel/Water Separator Spin-On with Drain, Square Sensor Port and Reusable Sensor is designed to protect modern diesel fuel systems by removing both water and fine particulate that can damage injectors and reduce performance. Built to meet or exceed OE performance requirements, it offers reliable separation and long service life under demanding conditions. This filter includes a reusable square sensor port for Deutz applications and is furnished with an O-ring that must be installed on the post for proper sealing. It is not interchangeable with Carquest 86422.

Specifications include a 1-14 thread, approximately 9.73" (247 mm) height × 3.69" (94 mm) outer diameter, enhanced cellulose media for efficient filtration, integrated drain, ~8 micron rating, standpipe, and an M14 × 2.0 square sensor port.

Cross-references include WIX 33604, Fleetguard FS1003, Donaldson P551003, Baldwin BF1263-SP, and NAPA 3604.

Commonly used in Freightliner, Kenworth, Peterbilt, and Volvo heavy-duty trucks with Cummins fuel modules using FS1003, as well as various medium- and heavy-equipment fuel systems.

Disclaimer: The information provided, including specifications, cross-references and vehicle applications, is for reference only. Variations may exist by application, engine, and OE system requirements such as thread type, fuel compatibility, micron rating, and pressure ratings. Customers are responsible for verifying all physical specifications (dimensions, thread size, fitment, etc.) before ordering. Low Country Filters is not liable for incorrect part orders.