Here are 2 each never been used Luber-Finer Spin On Fuel Filters LFF4783. Have some minor scuffs from shelf wear. Proudly Made in the USA. Buyers Guide Application Caterpillar 1R-0751, 6I-4783; Caterpillar D5M D6 Crawler Tractors Height 6.86 [174mm] Inside Diameter 7/8"-14 UNF-2B Thd. Outside Diameter 3.82 [97mm] Cross Reference Fuel filters for LUBER-FINER LFF4783: Brand Model AC-DELCO TP1341 AC-DELCO XD9263E AG-CHEM-EQUIPMENT 121852 ALLIANCE ABPN10GFF5321 ALLIANCE ABPN10GFF5324 BALDWIN BF7530-MPG BALDWIN BF7632 BIG-A 95377 BIG-A 95626 CARQUEST 86377 CATERPILLAR 1R0751 CATERPILLAR 1R0759 CATERPILLAR 6I4783 DONALDSON P551314 DONALDSON P551315 FLEETGUARD FF5321 Fram P8264 Fram P8490 G K INDUSTRIES HD3377 GENERAL MOTORS 89002405 HASTINGS FF1076 HENGST H178WK KRALINATOR F377 LPM 2501-100746 MANN WK850/3 MANN HUMMEL WK850/3 NAPA 3377 PARTS MASTER 73377 PUROLATOR F65214 SURE-FILTER SFF0293 SURE-FILTER SFF0751 SURE-FILTER SFF1315 TECFIL PSC745 WIX 33377 HEAVY DUTY FUEL/WATER SEPARATION FILTER CLEAN YOUR FUEL FOR IMPROVED ENGINE EFFICIENCY Diesel fuel quality can have a major impact on engine operation and performance. Fleets must meet emissions standards while trying to maintain efficiency and maximize uptime. A quality Luber-finer Fuel Filter can remove fuel contaminants, microbes and excess water. Scheduled maintenance and use of Luber-finer's Fuel Filters are vital to protecting your fuel system and equipment investment. Luber-finer Fuel Filters have: All-metal housings Higher pulse fatigue and higher burst strength High-performance media 99% filtering efficiency Optional "no bowl" construction Sensor ports for proper OEM sensor replacement Easy-turn, low-torque valves PROTECT YOUR FUEL SYSTEM FROM WATER AND CONTAMINANTS Emissions regulations have forced diesel fuel to undergo changes that can have a severe impact on engine performance. From debris and particulates transported in fuel storage tanks to condensation and microbial growth in bio fuels, fuel filters help maintain engine efficiency and performance. Quality Filtration That Protects Your Engine from: Inconsistent low-sulphur and bio diesel fuels Particulates and debris in the fuel Water in the fuel Microbial growth in the fuel FREE SHIPPING ONLY TO THE U.S. STATES AND TERRITORIES