Includes (2) 678016006 Lock NutsNew, Bulk PackedGenuine OEM Replacement Part # 678016006-2PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Ridgid: RD80746 3 / 2.6 GPM Premium, RD80947 3 / 2.6 GPM Premium, RD80763, RD80964, RD6800 6, 800 Watt, RD68011 6, 800 Watt, RDCA6800 6, 800 Watt, RD80704, RD80903, RD80702, RD80905, RD8000, RD80011, RD80701, RD80706, RD680011 6, 800 Watt, RD903612, RD905712, RD903612A, 600 Watt, RD906812 6, 800 Watt, RDCA7000, Homelite: BM80913 Black Max, HL80833, HL252300, UT80432, UT80522, UT80953, UT80546, UT80977, UT80709, UT80911, UT80911A, UT80709A, UT80835, UT80933, UT80993, HG5022P 5000 Watt, UT903650S, BM80913A, UT902250 2250 Watt, UT80432A, UT80993A, UT80522B, UT80953B, BM10680, BM10700D, BM10711D, BM10700HR, BM10700J, BM80915, BM80917 4, BM80919, BM80919A, BM80919A, BM903655, 000 Watt, CT80020, CT80701, CT80801, GC80747, HG3510 3500 W, HL80923, HLCA80710, HU2250 Watt, HU22511, HU3650, HU36511, HU3650B, HU36511B, HU40500, HU40500G, HU40501, HU5000B, Neutral Bonded, HU5000BG, Neutral Bonded, HU5000R, Neutral Bonded, HU5000BP, Neutral Bonded, HU5000P, HU5000S, HU80432, HU80709, HU80911, HU80709A, HU80911A, HU80714, HU80915, HU80715, HU80722, HU80722A : HU80833, HU80833A, HUCA80443, HUCA80709A, PS262311, PS282411, PS5000, PS5000B, PS7000, PS80522, PS80903A, PS80903B, PS80944, PS80946, PS80979, PS80979A, PS80983, PS905000S : PS907000, UT80522A, UT80953A, UT80522D, UT80993B, UT80993D, UT902211 2250 Watt, UT903611, UT903650, UT905000S, UT905000SA, WF80710 Pressur