Caterpillar 120V Jacket Water Heater 231-3054 is a engine block heater product that supports cold-weather engine starting by warming coolant or the engine block. It is listed for Caterpillar heavy-equipment applications; use part number 231-3054 as the primary identification reference.
- Part Number: 231-3054
- Brand: Caterpillar
- Product Category: Engine Block Heater
- Equipment Type: Bulldozer, Backhoe Loader, Wheel Loader
- Compatible Models: D3K XL, D3K2 XL, D3K2 LGP, D5K LGP, D4K XL, D4K LGP, D4K2 LGP, D4K2 XL, D5K XL, D3K LGP, D5K2 LGP, D5K2 XL, 416, 430, 420F2, 414E, 424D, 416E, 416F, 420D, 442D, 420E, 430D, 432D, 420, 428D, 416D, 430F2, 416F2, 450E
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





