Excavator Engine Parts
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Compressor or accessory-belt idler pulley identified by Isuzu part number 8-94399957-0. Exact-number records also catalog compact number 8943999570 and Hitachi reference 4346770, with applications including 6HK1 and EX100-5/EX200-5 excavator families. Confirm pulley diameter, groove, shaft length and belt alignment before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Compressor/accessory idler pulley | 8-94399957-0 |
| Same-number Formatting Variant | Compact Isuzu format | 8943999570 |
| Cataloged Equipment Reference - Verify Individually | Hitachi / equipment catalog reference | 4346770 / AT213915 |
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
4 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 Cataloged engine family: Isuzu 6HK1, Cataloged excavator family: Hitachi EX100-5 / EX120-5 / EX200-5, Additional cataloged family: Hitachi EX210-5 / EX220-5; verify serial, Fitment limitation: Confirm number, pulley size, groove and shaft geometry. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 8943999570.
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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