Includes (1) 518391001 Filter. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Compatible with: Ridgid: : RD80746 3000 PSI / 2.6 GPM Premium, RD80947 3000 PSI / 2.6 GPM Premium, RD80770 3800 PSI / 4.0 GPM Commercial, RD80763 3300 PSI / 2.8 GPM Connection, RD80964 3300 PSI / 2.8 GPM Connection, RD80971 Gasoline, RD80704 3000 Psi 26 Gpm Gas, RD80903 Gasoline, RD80702 Gasoline, RD80905 Gasoline, RD80701 Gasoline, RD80706 Gas, Ryobi, RY80030A Gasoline, Homelite, BM80913 Black Max, HL80833 3-N-1 Hi-Speed Gasoline, HL252300, UT80432, UT80522, UT80953, UT80546, UT80977, UT80709, UT80911, UT80911A, UT80709A, UT80835 3-N-1 Hi-Speed, UT80933 3-N-1 Hi-Speed, UT80993, BM80913A 2600 PSI, BM80915 3000 PSI, BM80917 4000 PSI, BM80919 2700 PSI, CT80020 Cat Pumps Gasoline, CT80801 Gasoline, GC80747 G-Clean, HL80923 3100 PSI, HLCA80710, HP3127S Gasoline, HU80520, HU80522, HU80530, HU80931, HU80531, HU80432, HU80709, HU80911, HU80709A, HU80911A, HU80714, HU80915, HU80715, HU80722, HU80722, HU80722A, HU80833 3-N-1 Hi-Speed Gasoline, HU80833A 3-N-1 Hi-Speed Gasoline, HUCA80443, PS262311, PS282411, PS80903A, PS80903B, PS80979, PS80979A, PS80983, UT80516 2200 PSI Gasoline, WF80710, WF80911, HL80835 3-N-1 Hi-Speed Gasoline Pressure Washer