Caterpillar 22.1mm ID Water Jacket Heater Tube 584-6217 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 584-6217 as the primary identification reference.
- Part Number: 584-6217
- Brand: Caterpillar
- Product Category: Engine Block Heater
- Equipment Type: Generator Set
- Compatible Models: 3516E
- 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.





