Carquest Diesel Exhaust Fluid (DEF) filters are engineered to remove harmful contaminants and ensure the proper function of your vehicle’s Selective Catalytic Reduction (SCR) system. By protecting sensitive DEF modules from debris, this filter helps maintain system performance, reduce emissions, and extend equipment life. Designed to meet or exceed OE performance levels over the recommended service interval, it delivers consistent reliability in demanding applications. Each filter also contains a plug and filter removal tool for added convenience.

Specifications include a DEF/urea filter designed for SCR systems, built to protect the DEF module and support clean, efficient operation.

Cross-references include PE PE17000, WABCO W74B191, and Fleetguard UF101, offering trusted equivalents from leading brands.

Commonly used in Freightliner Cascadia SCR systems, Volvo VNL DEF systems, International ProStar SCR setups, and Kenworth/Peterbilt trucks equipped with SCR DEF modules, this filter provides broad coverage across popular heavy-duty models.

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.