Engine first, part number second
How We Verify Block Heater Fitment
A wrong immersion heater can leak, strike an internal casting or simply not fit. Our database therefore preserves the details that matter and avoids claiming certainty where the source material does not support it.
1. Identify the engine
Make, model and year are only the beginning. Displacement, fuel, engine family and production range determine the port and element.
2. Check primary application data
We consult Phillips & Temro / Zerostart and Kat's application material, then use OEM manuals or parts documentation where available.
3. Separate kit, element and cord
A heater kit number is not automatically a replacement-cord number. We preserve the listed voltage, wattage, bore or thread and cord identifier.
4. Cross-check conflicts
Where catalogs disagree, coverage is unclear or a model spans engines, the page tells the reader to verify the engine or serial plate instead of pretending one answer fits all.
5. Publish the safe fallback
When no exact application is confirmed, we offer a clearly labelled search or a universal magnetic/pad option only when the material and surface make it appropriate.
What the reader must still confirm
Confirm the engine label, model year, voltage, physical connector and current manufacturer listing before ordering. For tractors, generators and swapped engines, use the engine serial plate rather than the equipment model alone. Manufacturer instructions control installation direction, sealing, cure time and coolant bleeding.