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Excavator Engine Parts
Engine-coolant overheat warning switch identified by Isuzu number 8-97125601-1, formatted 8971256011. Exact-number records specify a 105°C switching point (commonly stated as 105 ±2°C) and identify 8-97125601-0 as the earlier number. Application records support Isuzu 4HK1, 6HK1, 6BG1 and 6WG1 engine families. Confirm the full number, stamped temperature, thread, terminal type and engine serial range before ordering.
Fitment status: Verified · Checked 2026-07-28Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Isuzu overheat warning switch | 8-97125601-1 |
| Formatted Alias | Same number without separators | 8971256011 |
| Superseded Manufacturer Number | Earlier Isuzu switch number | 8-97125601-0 |
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Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
5 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Engine model: Isuzu 4HK1, Engine model: Isuzu 6HK1, Engine model: Isuzu 6BG1, Engine model: Isuzu 6WG1, Fitment limitation: Confirm complete number, stamped temperature, thread, terminal and engine serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 8-97125601-0. Formatting aliases for the same number: 8971256011.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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