5K1770 Silicone (70) O-Ring

The 5K1770 Silicone (70) O-ring is a sealing component used on Caterpillar equipment and engines listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Challenger: 35, 45, 55, 65, 65C, 65E, 75, 75C, 75D, 75E, 85C, 85D, 85E, 95E
• Compact wheel loader: 910
• Excavator: 225
• Gas engine: G398
• Gen set engine: 3412, 3412C
• Generator set: 3412, 3412C
• Industrial engine: D348
• Marine engine: D336, D348, D379A, D398A
• Marine transmission: 7211, 7221, 7271
• Motor grader: 14E
• Pipelayer: 561D, 561M, 561N
• Power module: PM3412
• Track loader: 931B, 933, 939, 941, 955K, 955L, 983, 983B
• Track skidder: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II
• Track-type tractor: D10R, D10T, D10T2, D11R, D3C III, D4C III, D4D, D4E, D4H, D4H XL, D5, D5B, D5C III, D5H, D5H XL, D5M, D5N, D5R LGP, D6M, D6N, D6N LGP, D6N OEM, D7R II, D9L, D9R, D9T
• Tractor: 772
• Truck engine: 1676, C11, C13
• Wheel dozer: 854G
• Wheel loader: 920, 930, 950, 980, 980B, 988H, 992, 992G
• Wheel scraper: 623E, 623F, 627E, 627G, 637E, 637G
• Wheel skidder: 518C, 528, 528B, 530B
• Wheel tractor: 613, 613B, 621, 621B, 621E, 621F, 621G, 623G, 627B, 627E, 627F, 627G, 627H, 631C, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 657B, 657G
• Wheel tractor-scraper: 627K, 627K LRC

Specifications