8M5661 Silicone (70) O-Ring

8M5661 is a silicone O-ring for Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated trucks: 735, 740, D250E, D250E II, D25D, D300E, D300E II, D350E, D350E II, D400E
• Cold planer: PR-1000
• Ejector truck: 740
• Excavators: 225, 229
• Gen set engines: 3160, 3208
• Industrial engines: 3160, 3208
• Landfill compactors: 826C, 826G, 826G II, 826H, 826K, 836, 836G
• Logger: 227
• Marine engine: 3208
• Motor grader: 16
• Pipelayers: 572G, 572R, 572R II, 578, 583K, 583R, 583T, 587R, 587T, 589, 594H
• Pneumatic compactor: PS-500
• Quarry trucks: 771D, 775D
• Soil compactors: 825B, 825G, 825G II, 825H, 825K
• Track feller buncher: FB221
• Track loaders: 955K, 955L
• Track-type tractors: 30/30, D10, D10N, D10R, D10T, D11N, D11R, D11T, D4E, D6C, D6D, D6G, D6G2 LGP, D6G2 XL, D6H, D6H II, D6H XL, D6H XR, D6R, D6R II, D6R III, D6R STD, D6T, D7H, D7R, D7R II, D7R XR, D8H, D8K, D8L, D8N, D8R, D8R II, D8T, D9G, D9H, D9L, D9N, D9R, D9T, DEUCE
• Tractors: 768B, 772, 784B, 784C
• Trucks: 69D, 769, 769D, 770, 772, 773, 773D, 773E, 773F, 773G, 773G LRC, 773G OEM, 775E, 775F, 775G, 775G LRC, 775G OEM, 777, 785, 785B, 785C, 789B, 789C, 793B, 793C
• Truck engines: 1140, 1145, 1150, 1160, 1693, 3208, 3408
• Underground articulated trucks: AD30, AD55B, AD60
• Vehicular engine: D348
• Vibratory compactors: CB-614, CS-551
• Wheel dozers: 824C, 824G, 824G II, 824H, 824K, 834, 834B, 834G, 844, 844H, 844K
• Wheel loaders: 950, 950F, 950F II, 960F, 966F, 966F II, 970F, 980, 980B, 980C, 980F, 980F II, 980G, 980G II, 980H, 980K, 980K HLG, 980M, 982M, 986H, 988F, 988F II, 988G, 990, 990 II, 990H, 990K, 992
• Wheel scrapers: 615C, 621E, 623E, 623F, 627, 627B, 627E, 627G, 637, 637B, 637D, 637E, 637G, 639D, 657, 657B, 657E, 657G, 666
• Wheel tractors: 611, 613, 613B, 613C, 615, 621, 621B, 621E, 621F, 621G, 623, 623B, 623E, 623G, 627, 627B, 627E, 627F, 627G, 631C, 631D, 631E, 631G, 633C, 633D, 633E II, 637, 637D, 637E, 637G, 641B, 650B, 651, 651E, 657, 657B, 657E, 657G, 666

Specifications