Carquest Premium Fuel/Water Separator Spin-On with Open Port for Bowl is designed for modern diesel fuel systems that require bowl-type filter modules. By effectively removing water and fine particulate contaminants, it helps protect sensitive injectors and fuel pumps while maintaining clean fuel flow for maximum efficiency. Built to meet or exceed OE performance standards, this filter provides dependable service across the entire recommended interval.

Specifications include a spin-on style with a 3-3/4-10 2B buttress bowl thread and an integral post seal, engineered specifically for use with OE bowl-type modules.

Cross-references include Baldwin BF9871-O, Donaldson P551066, Fleetguard FF1299-O, and Luber-Finer LFF8957, offering trusted equivalents across leading filter brands.

Commonly used in medium- and heavy-duty diesel platforms with bowl-equipped modules, including Freightliner M2, International DuraStar and WorkStar, Kenworth and Peterbilt vocational trucks, and Blue Bird buses. Fitment should always be confirmed by bowl design and filter head specification before ordering.

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.