Komatsu 8776351 O-RING

Komatsu 8776351 O-RING

Komatsu 8776351 O-RING is a WQC Parts aftermarket replacement part for Komatsu heavy equipment. It is intended for sealing, repair, and maintenance applications where the part number, machine model, and serial range match the required application.

Part Information

• Komatsu part number: 8776351
• WQC SKU: KM-8776351
• Product type: O-Ring

Known machine usage: BP500-7-M1, BR100JG, BR300S-1B, BR300S-2-M1, BR380JG, BR380JG-1-M1, BR380JG-1E0, BR480RG, BR480RG-1-M1, BR580JG, BZ210, D21A, D21A-8E0, D21A-8T, D21P, D21P-8E0, D21P-8T, D21PL, D275A, D275A-5R, D275AX, D275AX-5-KO, D275AX-5E0, D31EX, D31EX-21A-M, D31PX, D31PX-21A, D31PX-21A-M, D375A, D375A-5E0, D375A-6R, D375AI, D37EX, D37EX-21A, D37EX-21A-M, D37EXI, D37PX, D37PX-21A, D37PX-21A-M, D37PXI, D39EX, D39EX-21A, D39EX-21A-M, D39EXI, D39PX, D39PX-21A, D39PX-21A-M, D39PXI, D41E, D41E-BB-6C, D41E6T, D41P, D475A, D475A-5A, D475A-5E0, D475ASD-5E0, D51EX, D51EXI, D51PX, D51PXI, D575A, D60P-12-E, D61EX, D61EX-15E0-BW, D61EX-23M0, D61EXI, D61PX, D61PX-15E0-BW, D61PXI, D65E, D65E-12-E, D65EX, D65EX-12-E, D65EX-12U, D65EX-15E0, D65EXI, D65P, D65P-12-E, D65PX, D65PX-12-E, D65PX-12U, D65PX-15E0, D65PXI, D65WX, D65WX-15E0, D85E-SS-2A-E, D85ESS, D85ESS-2A, D85EX, D85EX-15E0, D85EX-15R, D85EXI, D85MS, D85PX, D85PX-15E0, D85PX-15R, D85PXI, FORK LIFT TRUCKS, GD675, GD705, GD755, GD755-5R, GH320, HB205, HB205-1M0, HB215LC, HB215LC-1M0, HB335, HB335LC, HB365, HB365LC, HD465, HD465-7R, HD605, HD605-7E0, HD605-7E1, HD605-7R, HD785, HM250, HM300, HM300-2R, HM350, HM350-2R, HM400, HM400-2R, HM400-3M0, HM400-3R, JT150, NEW (CHINA AND OTHER), PC09, PC09-1-A, PC09-1-B, PC110-8M0, PC1250, PC1250-8R, PC1250LC, PC1250SE, PC1250SP, PC1250SP-8R, PC128US, PC128US-2-A, PC128US-2-AC, PC128US-2-AT, PC128UU, PC130, PC130-7K, PC130-8M0, PC130F, PC138US, PC138US-2 RR, PC138US-2-A, PC138US-2-AC, PC138US-2-AT, PC138US-2E, PC138US-8 2 PIECE BOOM, PC138US-8 OFFSET BOOM, PC138US-8 RR, PC138USLC, PC14R, PC14R-3 HS, PC160LC, PC160LC-7-E0, PC160LC-7-E0 (KA SPEC.), PC160LC-7E0, PC160LC-7K, PC160LC-7K-KA, PC16R, PC16R-3 HS, PC170LC, PC180LC-7-E0, PC180LC-7K, PC180NLC-7-E0, PC180NLC-7K, PC18MR, PC190LC, PC190NLC, PC195LC, PC200, PC200-7-AA, PC200-7-AP, PC200-7/PC200LC, PC200-8E0, PC200-8M0, PC2000, PC200LC, PC200LC-7-BA, PC200LC-7-BP, PC200LC-7B, PC200LC-7L, PC200LC-8E0, PC200LC-8M0, PC200LL, PC200LL-7L, PC200SC-7-M1, PC20MR, PC20MR-2-A, PC20MR-2-B, PC210, PC210-7-CA, PC210-7-CG, PC210-7K, PC210-8K, PC210/240/290, PC210I, PC210LC, PC210LC-7-DA, PC210LC-7-DG, PC210LC-7K, PC210LC-8 WASTE SPEC, PC210LC-8K, PC210LC/NLC-7K STRAIGHT BOOM, PC210LC/NLC-8 15M SUPER LONG FRONT, PC210LC/NLC-8 STRAIGHT BOOM, PC210LCI, PC210MH, PC210NLC-7K, PC210NLC-8K, PC220, PC220-7 SERIAL NO.DBH0001 AND UP, PC220LC-7 SERIAL NO.DBJ0001 AND UP, PC220-7-AA, PC220-8M0, PC220LC, PC220LC-7-BA, PC220LC-7L, PC220LC-8M0, PC220LL, PC220LL-7L, PC228US, PC228US-3E0, PC228USLC, PC228USLC-3E0, PC230-7-AA, PC230-7-CG, PC230LC-7-BA, PC230LC-7-DG, PC230NHD-7K, PC230NHD-8K, PC240-8K, PC240LC, PC240LC-7K, PC240LC-8K, PC240LC/NLC-10 18M SUPER LONG FRONT, PC240LC/NLC-10 DEMOLITION, PC240LC/NLC-8 18M SUPER LONG FRONT, PC240NLC, PC240NLC-7K, PC240NLC-8K, PC26MR, PC270, PC270-7-AG, PC270LC, PC270LC-7L, PC270LC-8-W1, PC270LC-8N1-W1, PC270LL-7L, PC27MR, PC27MR-2-A, PC27MR-2-B, PC290-8K, PC290LC, PC290LC-7K, PC290LC-8K, PC290LC/NLC-10 DEMOLITION, PC290LC/NLC-8 HIGH REACH DEMOLITION, PC290LC/NLC-8K STRAIGHT BOOM, PC290NLC, PC290NLC-7K, PC290NLC-8K, PC300, PC300-7 SERIAL NUMBERS : J20001-UP, PC300-7-AA, PC300-7E0, PC300-8M0, PC300HD, PC300HD-7E0, PC300HD-7L, PC300LC, PC300LC-7-BA, PC300LC-7E0, PC300LC-7L, PC300LC-8M0, PC300LL-7E0, PC300LL-7L, PC308USLC, PC308USLC-3E0, PC308USLC-3E0-W1, PC30MR, PC30MR-2-A, PC30MR-2-B, PC30MR-2-C, PC30MR-2-D, PC30MR-3(JPN)-FOR CAB, PC30MR-3(JPN)-FOR CANOPY, PC340LC-7K, PC340LC-7K-E0, PC340LC/NLC-7 2 PIECE BOOM, PC340LC/NLC-7 E0 2 PIECE BOOM, PC340LCD-7EO MONO AND STRAIGHT BOOM, PC340LCD-7K HIGH REACH DEMOLITION, PC340LCD-7K-E0 HIGH REACH DEMOLITION, PC340NLC-7K, PC340NLC-7K-E0, PC350, PC350-7-AA, PC350-7E0, PC350-8M0, PC350HD, PC350LC, PC350LC-7-BA, PC350LC-7E0, PC350LC-8 17M LONG REACH, PC350LC-8M0, PC350LC/NLC-8 DEMOLITION, PC350LC/NLC-8K HIGH REACH DEMOLITION (23 M), PC350LL-7E0, PC350NLC, PC35MR, PC35MR-2-A, PC35MR-2-B, PC35MR-3(JPN)-FOR CAB, PC35MR-3(JPN)-FOR CANOPY, PC360, PC360-8M0, PC360LC, PC360LC/NLC-10 DEMOLITION, PC360LCI, PC360NLC, PC380LC-7K, PC390LC, PC390LC-8M0, PC390LL-10 A50601 & UP, PC400, PC400-7 SERIAL NUMBERS : J20001-UP, PC400-7-M1, PC400-7E0, PC400-8R, PC400LC, PC400LC-7-M1, PC400LC-7E0, PC400LC-7L, PC400LC-8R, PC400LCSE-8R, PC40MR, PC40MR-2-AC, PC40MRX, PC450, PC450-7-M1, PC450-7E0, PC450-7K, PC450-7K-E0, PC450-8R, PC450LC, PC450LC-7-M1, PC450LC-7E0, PC450LC-7K, PC450LC-7K-E0, PC450LC-8K HIGH REACH DEMOLITION, PC450LC-8R, PC450LCD-7K HIGH REACH DEMOLITION, PC450LCD-7K-E0 27 M HIGH REACH DEMOLITION, PC450LCD-7K-E0 HIGH REACH DEMOLITION, PC450LCHD, PC45MR, PC45MRX, PC460LC, PC490, PC490LC, PC490LCI, PC500LC-8R, PC50MR, PC50MR-2-AC, PC550LC, PC55MR, PC57, PC58UU, PC60, PC600, PC600-7-M1, PC600-7K, PC600-8E0, PC600-8R, PC600-8R1, PC600LC, PC600LC-7-M1, PC600LC-7K, PC600LC-7K 25M SUPER LONG FRONT, PC600LC-8E0, PC600LC-8K 19M SUPER LONG FRONT, PC600LC-8R, PC600LC-8R1, PC650-7-M1, PC650LC, PC650LC-7-M1, PC650LC-8E0, PC70, PC700LC-8E0, PC700LC-8R, PC750, PC750-7-M1, PC750LC, PC750LC-7K, PC750SE, PC750SE-7-M1, PC750SE-7K, PC78MR, PC78US, PC78UU, PC800, PC800-7-M1, PC800-8E0, PC800-8K, PC800-8R, PC800-8R1, PC800LC, PC800LC-8E0, PC800LC-8K, PC800LC-8K HIGH REACH DEMOLITION, PC800LC-8R, PC800LC-8R1, PC800SE, PC800SE-7-M1, PC800SE-8E0, PC800SE-8R, PC800SE-8R1, PC80MR, PC850, PC850-8E0, PC850-8R, PC850-8R1, PC850SE, PC850SE-8E0, PC850SE-8R, PC850SE-8R1, PC88MR, PW130-7K, PW140, PW148, PW160, PW160-7E0, PW160-7K, PW180, PW180-7E0, PW180-7K, PW200, PW200-7E0, PW200-7K, PW200-7K-KA, PW220-7E0, PW220-7H, PW220-7K, PW220-7K-KA, PW220MH, PW98MR, SAA12V140E-3A, SAA12V140E-3B, SAA12V140E-3C, SAA12V140E-3D, SAA12V140E-3E, SAA4D95LE-5AA, SAA4D95LE-5BB, SAA4D95LE-6A, SAA4D95LE-6B, SAA4D95LE-6D, SAA4D95LE-6E, SAA4D95LE-7A, SAA4D95LE-7AA, SAA4D95LE-7BB, SAA6D114E, SAA6D114E-3A, SAA6D114E-3A-WT, SAA6D114E-3AA-W, SAA6D114E-3B, SAA6D114E-3B-A, SAA6D114E-3B-WT, SAA6D114E-3BB-W, SAA6D114E-3C, SAA6D114E-3C-WT, SAA6D114E-3D, SAA6D114E-3D-WT, SAA6D114E-3E, SAA6D114E-3F, SAA6D114E-3H, SAA6D114E-3LL, SAA6D114E-5A, SAA6D114E-5B, SAA6D114E-5C, SAA6D114E-6A, SAA6D114E-6B, SAA6D125E-5-FR, SAA6D125E-5A, SAA6D125E-5F, SAA6D125E-5G, SAA6D125E-6A, SAA6D125E-6B, SAA6D125E-6C, SAA6D125E-7A, SAA6D125E-7B, SAA6D125E-7C, SAA6D125E-7D, SK1020-5 TURBO, SK1026-5 TURBO, SK510, SK714, SK815, SK815-5 TURBO, SK815-5N, SK815-5NA, SK820-5N, WA100, WA100-5-, WA100-5-CN, WA100-5-SS, WA100-5-TK, WA100M, WA100M-3-CB, WA100M-3-CN, WA1200, WA150, WA150-5-A, WA150-5-CN, WA150-5-SS, WA150-5-TK, WA150L, WA150PZ, WA200, WA200-5-, WA200-5-SS, WA200-5L, WA200L, WA200PT, WA200PT-5L, WA200PTL, WA200PZ, WA250, WA250-5L, WA250L, WA250PT, WA250PT-5L, WA250PTL, WA250PZ, WA270, WA270-5-, WA320, WA320-5L, WA320-6 HIGHLIFT, WA320L, WA320PT-5L, WA320PZ, WA380, WA380-5-, WA380-5-TN, WA380-5L, WA380Z, WA400, WA400-5L, WA430, WA430-5-, WA430-6E0, WA430-6Y, WA450, WA450-5L, WA450-6-W1, WA470, WA470-6 LC, WA470-6A, WA480, WA480-5L, WA480-6 LC, WA480-6A, WA50, WA500, WA500-6R, WA600, WA600-6R, WA75-1 (15F), WA80, WA80-3-CB, WA80-3-CN, WA80-3-SW, WA800-3E0, WA900-3E0, WB142, WB146, WB146PS, WB156-5 BACKHOE LOADER, WB156PS, WB91R, WB91R-5E0, WB93R, WB93R-5E0, WB93S, WB93S-5E0, WB97R, WB97R-5E0, WB97S, WB97S-5E0, WD600, WD600-6R, WH609-1 WH613, WH609-1E0 WH613-1E0, WH713-1 WH714-1 WH714H-1 WH716, WH713-1E0 WH714H-1E0 WH716-1E0.

Equipment families: Backhoeloaders, Bulldozers, Dump Trucks, Engines, Excavators, Fork Lift, Graders, Mobile Crushers and Recyclers, Other, Rollers, Skid Steer Loaders, Telescopic Handlers, Wheel Dozers, Wheel Loaders.

Fitment Notes

Always confirm final fitment before ordering. The same general part description can apply to different Komatsu models, serial ranges, component groups, or diagram positions. Verify the original part number, machine model, serial number, and installed arrangement before purchase.

Why Buy from WQC Parts?

• Aftermarket Komatsu replacement parts organized by part number and product type.
• Support for fitment review using machine model, serial number, and photos when needed.
• Competitive pricing for repair shops, equipment owners, and fleet maintenance teams.
• Reliable sourcing focused on reducing downtime and keeping machines working.

If you are unsure whether this part fits your machine, contact WQC Parts with your model, serial number, and existing part number before ordering.