R12T MATEIRAL: Original Italy Ahlstrom 3 layers filter paper, made of synthetic fiber, filter 99% water, impurities and contaminants at 4 micron, higher filter rating than 5 or 10 micron filter, protects your vehicle's fuel system from contaminants, such as: dirt, rust, and paint particles; | FITMENT: Filter for both diesel engine and gasoline engine. Don't be caught in the water without one of these diesel spin-on filters. Fuel Water Separator Filter fit 3/8 Inch NPT Outboard Motors, suited to compact off road diesel equipment: tractors, skid steers loaders, movers; | LONGER LIFE SPAN: The imported material from Italy has a filtration efficiency of 99%, 3 layers,results in higher dust holding capacity than ordinary 1-2 layers, and longer life span, it needs to be replaced only after driving for an average of for 20,000-40,000 miles. Fuel Filter Kit contains everything you need to replace a fuel filter on your vehicle; | REPLACE PART NUMBER: Replaces S3240 R12T 120AT, 18-7987,RK10222; | CERTIFICATES AND WARRANTY: Germany TUV IATF16949, ISO14001, OHSAS18001; USA Standard: Passed SAE1839 Standard Society of Automotive Enginess; 6 Months warranty. We will provide the best after-sales service. If you are not satisfied with the quality of our products after purchase, we will solve the problem in time.