Excavator Engine Parts
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Engine-oil bypass valve assembly identified by Isuzu part number 8-97013566-2, normalized 8970135662, for 4HK1 diesel-engine applications. Exact-number records describe the item as VALVE ASM; BYPASS and list NPR, NPR75 and NQR90 vehicle families. The owned physical photographs show the complete cylindrical valve, end faces and side ports. Confirm the full part number, valve diameter, port layout and engine serial range.
Send 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 oil bypass valve assembly | 8-97013566-2 |
| Normalized Numeric Alias | Same Isuzu number without separators | 8970135662 |
| Formatted Numeric Alias | Same Isuzu number grouped for readability | 897013-5662 |
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
3 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 family: Isuzu 4HK1, Catalog-recorded vehicle families: Isuzu NPR / NPR75 / NQR90, Fitment limitation: Confirm 8-97013566-2 and compare the valve diameter, end faces, side-port layout and engine serial range. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 8970135662, 897013-5662.
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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