Isuzu 4BD1 Cylinder Head Cover Parts Catalog for Hitachi EX120-3
Use this parts catalog to identify cover, oil filler cap, cover gasket and mounting parts for the Isuzu 4BD1 configuration listed in the Hitachi EX120-3 catalog. Compare 7 catalog entries, diagram positions and alternative number formats before requesting a quote from WinsDiesel.
Equipment Identification for Your Enquiry
The diagrams and tables below reference Hitachi EX120-3. For enquiries involving Hitachi EX100WD-2, EX100WD-3, EX120, EX120-2, EX120K-2, EX120K-3 or EX150, send the engine and machine serial numbers and the complete existing part number so the configuration can be checked. A shared engine name alone does not confirm that every listed component fits each machine.
Components Listed in This Group
- COVER; CYL HD
- CAP; OIL FILLER
- GASKET; HD COVER
- WASHER; CAP NUT,HD COVER
- GASKET; HD TO COVER
- NUT; CAP,HD COVER
View diagrams | Part number list | Selection notes | Request a quote
Selecting Cylinder Head Cover
Compare the cover, oil filler cap and gasket as separate catalog entries. The cover fasteners include different lengths, so match the original catalog note as well as the diagram position.
Catalog reference: Hitachi EX120-3. Confirm the engine serial number, machine details and complete existing part number before ordering. Different part numbers sharing one diagram position must not be assumed to be interchangeable.
Cylinder Head Cover Diagrams
Diagram 1 — 010A0150794
Cylinder Head Cover parts reference — drawing 010A0150794. Click to view the full-size diagram; use the positions and complete part numbers in the table below.
Diagram 2 — 010A0250794
Cylinder Head Cover parts reference — drawing 010A0250794. Click to view the full-size diagram; use the positions and complete part numbers in the table below.
Catalog diagrams identify components and are not photographs of the supplied products.
Part Numbers and Catalog Notes
Alternative number formats show the same digits with different hyphen placement. They are not substitute part numbers. Quantities and notes are retained from the catalog and do not represent stock availability.
| Ref. | Part Number | Alternative Number Formats | Catalog Description / Qty. | Original Catalog Notes | Enquiry |
|---|---|---|---|---|---|
| 1(B). | 8944368971 | 8-94436897-1 894436-8971 8-94436-897-1 |
COVER; CYL HD Catalog qty: [1] |
— | Request a Quote |
| 4(A). | 8942391510 | 8-94239151-0 894239-1510 8-94239-151-0 |
CAP; OIL FILLER Catalog qty: [1] |
— | Request a Quote |
| 27. | 9111790300 | 9-11179030-0 911179-0300 9-11179-030-0 |
GASKET; HD COVER Catalog qty: [3] |
ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 68. | 9111791050 | 9-11179105-0 911179-1050 9-11179-105-0 |
WASHER; CAP NUT,HD COVER Catalog qty: [3] |
— | Request a Quote |
| 69(B). | 8944625590 | 8-94462559-0 894462-5590 8-94462-559-0 |
GASKET; HD TO COVER Catalog qty: [1] |
C ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 69(B). | 8943109120 | 8-94310912-0 894310-9120 8-94310-912-0 |
GASKET; HD TO COVER Catalog qty: [1] |
ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 75(A). | 9111750120 | 9-11175012-0 911175-0120 9-11175-012-0 |
NUT; CAP,HD COVER Catalog qty: [3] |
— | Request a Quote |
Reading This Catalog
Descriptions and notes retain the original catalog wording. Abbreviations, grade markers and size notes should be checked together with the complete part number. Contact us if your existing number differs; a similar appearance or diagram position is not proof of interchangeability.
Request a Quote from WinsDiesel
Email winsparts@winsparts.com or use the enquiry link beside your required part. Include the complete part number, quantity, engine serial number, machine identification, old-part photos and delivery country. We will confirm the offered brand, specification, availability, supplied contents, price and lead time in our quotation.


