1S4974 Silicone (70) O-ring for Caterpillar Equipment

1S4974 is a silicone O-ring used in equipment manufactured by Caterpillar. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Excavators: 320C, 320D FM
• Felling heads: HF181, HF201, HF202, HF221, HF222
• Gas engines: G3304, G3306, G3406, G3408, G3408B, G3408C, G3412, G3508, G3512, G3516, G3606, G3606B, G3608, G3612, G3616
• Gen set engines: 3126B, 3208, 3304, 3304B, 3306, 3306B, 3406B, 3406C, 3408, 3412, 3412C, 3456, 3508, 3508B, 3512, 3512B, 3516, 3516B, C-12, G3508
• Generators: SR4, SR4B, SR4BHV
• Generator sets: 3304B, 3306B, 3406C, 3406E, 3408C, 3412, 3412C, 3456, 3508, 3508B, 3512, 3512B, 3516, 3516B, 3516C, C15, C18, C32, C9, G3306, G3406, G3412, G3508, G3512, G3512E, G3516, G3516B, G3516C, G3516E, G3520C, G3520E
• Industrial engines: 3508B, 3512B
• Locomotive engines: 3508B, 3512B, 3516B, 3516C
• Marine auxiliary engines: 3508B, 3512, 3512B, 3512C, 3516B, 3516C, 3608
• Marine engines: 3304B, 3408C, 3412C, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, C280-12, C280-16, C280-6, C280-8
• Petroleum engines: 3508C, 3512C
• Petroleum gen sets: C15, C18, C27, G3306B
• Power modules: PM3412, PM3456, PM3508, PM3512, PM3516, PMG3516, PP3516
• Track loaders: 939C, 973, 973C, 973D, 977K, 977L
• Track-type tractors: D10, D11N, D11R, D11T, D4C III, D5C III, D6C, D6D, D6E, D6E SR, D6F SR, D6G, D6G SR, D6G2 LGP, D6G2 XL, D7G
• Tractors: 772
• Trucks: 769, 769C, 773, 777, 797, 797B
• Truck engines: G3306
• Wheel feller bunchers: 543
• Wheel loaders: 988B, 992C
• Wheel skidders: 515, 525, 525B, 525C, 535B, 535C, 545, 545C

Specifications