3E5451 Regulator A for Caterpillar

3E5451 is a regulator used in thermostat and water pump regulator applications on Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The part is listed for the following Caterpillar equipment, engines, power units, transmissions, and machine series:

• Asphalt paver: AP-1000, AP-1050.
• Challenger: 35, 45, 55, 65C, 65E, 75, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC735.
• Gen set engine: 3304, 3306, 3306B, 3406B, 3406C, 3408, 3412, 3412C.
• Generator set: C18, C9.
• Industrial engine: 3114, 3116, 3126, 3126B, 3176B, 3176C, 3196, 3208, 3304, 3306, 3306B, 3406, 3406B, 3406E, 3408, 3408C, 3408E, 3412, 3412C, 3412E, 3456, C-10, C-12, C-15, C-16, C-9, C11, C13, C15, C18, C27, C32, C7, C9.
• Marine engine: 3116, 3126, 3126B, 3176B, 3176C, 3196, 3406B, 3406C, 3406E, C-12, C12, C15, C18, C7, C9.
• Petroleum engine: C11, C13, C15, C18, C7, C9.
• Petroleum package: CX31-C13I, CX31-C15I, CX31-C9I, CX35-P800, TH35-C11I, TH35-C13I, TH35-C15I.
• Petroleum transmission: TH31-E61, TH48-E70.
• Pumper: HT400, SPP101, SPS342, SPT342, SUF557.
• Truck engine: 1673C, 3114, 3116, 3176, 3176B, 3208, 3306, 3306C, 3406B, 3406C, 3406E, 3408, C-10, C-12, C-15, C-16, C7.
• Wheel feller buncher: 573.

Specifications