Enhance your heavy-duty diesel performance with the Fleetguard WF2129 Water Filter. Engineered for superior water filtration, this filter protects your engine by eliminating contaminants and providing reliable, long-lasting defense under the toughest conditions.Key Features Non-chemical water filter designed specifically for OAT, Hybrid, and Conventional coolant systems Thread size: M16 x 1.5 Dimensions: Height 106 mm, Outer Diameter 94 mm, Inner Depth 63-72 mm Technical Specifications Flow Rate: Optimized for high-efficiency filtration Filter Media: Advanced, micron-level precision filtration media Temperature Range: Performs reliably across various operating conditions Certifications: Meets industry quality and performance standards Benefits Superior engine protection by effectively blocking contaminants Durable construction ensures sustained performance Easy maintenance and installation Rugged design designed for high-demand heavy-duty applications Compatibility & InstallationCompatible with a wide range of heavy-duty vehicles, including trucks, buses, and agricultural machinery. Meets OEM specifications with part numbers 21937327, 21388479, 20458771, 3969696, and 39969696 for seamless integration and installation.Packaging & Quality Assurance Brand new and unused, shipped in original retail packaging Fast shipping for quick delivery Guaranteed genuine parts for peace of mind Upgrade your diesel system today—experience the precision of Fleetguard by visiting our Fleetguard Collection at Everything Truck Parts.