Isuzu 4BD1 Cylinder Head Parts Catalog for Hitachi EX120-3
Use this parts catalog to identify cylinder head, head gasket, valve guides, seats and glow plugs for the Isuzu 4BD1 configuration listed in the Hitachi EX120-3 catalog. Compare 30 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
- HEAD ASM; CYL
- GASKET; CYL HD
- BOLT; CYL HD TO BLOCK
- GUIDE; VLV
- SEAT; VLV INSERT
- PLUG; PLATE
- CUP; SEALING,CYL HEAD
- CUP; SEALING,WATER JACKET
- STUD; INL MANIF
- PLUG; GLOW
View diagrams | Part number list | Selection notes | Request a quote
Selecting Cylinder Head
Identify the cylinder head assembly, gasket, valve guides and seats separately. Retain grade and size notes, and confirm the engine serial number with the existing head number.
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 Diagrams
Diagram 1 — 011A0150794
Cylinder Head parts reference — drawing 011A0150794. 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. | 8970936610 | 8-97093661-0 897093-6610 8-97093-661-0 |
HEAD ASM; CYL Catalog qty: [1] |
(SERVICE) | Request a Quote |
| 1. | 8970133201 | 8-97013320-1 897013-3201 8-97013-320-1 |
HEAD ASM; CYL Catalog qty: [1] |
C | Request a Quote |
| 1. | 8971418211 | 8-97141821-1 897141-8211 8-97141-821-1 |
HEAD ASM; CYL Catalog qty: [1] |
— | Request a Quote |
| 2. | 8941458390 | 8-94145839-0 894145-8390 8-94145-839-0 |
GASKET; CYL HD Catalog qty: [1] |
ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 3(A). | 8943674370 | 8-94367437-0 894367-4370 8-94367-437-0 |
BOLT; CYL HD TO BLOCK Catalog qty: [4] |
M12X102 | Request a Quote |
| 3(A). | 1090701000 | 1-09070100-0 109070-1000 1-09070-100-0 |
BOLT; CYL HD TO BLOCK Catalog qty: [4] |
M12X100 | Request a Quote |
| 3(A). | 8943674380 | 8-94367438-0 894367-4380 8-94367-438-0 |
BOLT; CYL HD TO BLOCK Catalog qty: [14] |
M12X115 | Request a Quote |
| 3(A). | 1090701010 | 1-09070101-0 109070-1010 1-09070-101-0 |
BOLT; CYL HD TO BLOCK Catalog qty: [14] |
M12X113 | Request a Quote |
| 4. | 5117210010 | 5-11721001-0 511721-0010 5-11721-001-0 |
GUIDE; VLV Catalog qty: [8] |
— | Request a Quote |
| 5(A). | 8970376860 | 8-97037686-0 897037-6860 8-97037-686-0 |
SEAT; VLV INSERT Catalog qty: [4] |
— | Request a Quote |
| 5(B). | 5117110280 | 5-11711028-0 511711-0280 5-11711-028-0 |
SEAT; VLV INSERT Catalog qty: [4] |
— | Request a Quote |
| 6. | 9096600340 | 9-09660034-0 909660-0340 9-09660-034-0 |
PLUG; PLATE Catalog qty: [4] |
OD=11.9 | Request a Quote |
| 7. | 1096000051 | 1-09600005-1 109600-0051 1-09600-005-1 |
CUP; SEALING,CYL HEAD Catalog qty: [1] |
OD=45 | Request a Quote |
| 7. | 5112190150 | 5-11219015-0 511219-0150 5-11219-015-0 |
CUP; SEALING,CYL HEAD Catalog qty: [2] |
OD=32 | Request a Quote |
| 7. | 1096000160 | 1-09600016-0 109600-0160 1-09600-016-0 |
CUP; SEALING,CYL HEAD Catalog qty: [7] |
OD=25 | Request a Quote |
| 7. | 9111291280 | 9-11129128-0 911129-1280 9-11129-128-0 |
CUP; SEALING,CYL HEAD Catalog qty: [2] |
OD=20 | Request a Quote |
| 7. | 5096000130 | 5-09600013-0 509600-0130 5-09600-013-0 |
CUP; SEALING,CYL HEAD Catalog qty: [4] |
OD=12.3 | Request a Quote |
| 8. | 9111296010 | 9-11129601-0 911129-6010 9-11129-601-0 |
CUP; SEALING,WATER JACKET Catalog qty: [4] |
OD=12.5 | Request a Quote |
| 9. | 9041108250 | 9-04110825-0 904110-8250 9-04110-825-0 |
STUD; INL MANIF Catalog qty: [2] |
— | Request a Quote |
| 10. | 9825139289 | 9-82513928-9 982513-9289 9-82513-928-9 |
PLUG; GLOW Catalog qty: [4] |
C | Request a Quote |
| 10. | 1825130430 | 1-82513043-0 182513-0430 1-82513-043-0 |
PLUG; GLOW Catalog qty: [4] |
— | Request a Quote |
| 11. | 5197320021 | 5-19732002-1 519732-0021 5-19732-002-1 |
CONNECTOR; GLOW PLUG Catalog qty: [1] |
— | Request a Quote |
| 12. | 9117778050 | 9-11777805-0 911777-8050 9-11777-805-0 |
HANGER; ENG,RR Catalog qty: [1] |
— | Request a Quote |
| 13. | 0500410200 | 0-50041020-0 050041-0200 0-50041-020-0 |
BOLT; HANGER Catalog qty: [4] |
— | Request a Quote |
| 13. | 0280810200 | 0-28081020-0 028081-0200 0-28081-020-0 |
BOLT; HANGER Catalog qty: [4] |
— | Request a Quote |
| 14. | 8941569390 | 8-94156939-0 894156-9390 8-94156-939-0 |
STUD; EXH MANIF Catalog qty: [2] |
M8X87 | Request a Quote |
| 14. | 8941569400 | 8-94156940-0 894156-9400 8-94156-940-0 |
STUD; EXH MANIF Catalog qty: [2] |
M8X60 L=72 | Request a Quote |
| 53. | 1093000180 | 1-09300018-0 109300-0180 1-09300-018-0 |
STUD; INJ NOZZLE Catalog qty: [8] |
M8X40 L=58 | Request a Quote |
| 54. | 5093000650 | 5-09300065-0 509300-0650 5-09300-065-0 |
STUD; ROCKER ARM Catalog qty: [3] |
M8X79 L=92 | Request a Quote |
| 168(B). | 5117770640 | 5-11777064-0 511777-0640 5-11777-064-0 |
HANGER; ENG,FRT Catalog qty: [1] |
— | 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.
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Product listings may cover different engines. Confirm the part number, engine serial number and specification before ordering.

