Isuzu 4BG1 Camshaft and Valve Parts Catalog for Hitachi ZX120
Use this Group 014 parts catalog to identify camshaft, intake valves, exhaust valves and rocker arm parts for the Isuzu 4BG1 configuration listed in the Hitachi ZX120 catalog. Compare 42 catalog entries, diagram positions and alternative number formats before requesting a quote from WinsDiesel.
Components Listed in This Group
- CAMSHAFT
- VALVE; INL
- VALVE; EXH
- BOLT; CM/SHF GEAR
- GEAR; CM/SHF
- PLATE; THRUST
- BOLT; THRUST PLATE TO C/BL
- KEY; CAM GEAR SET
- WASHER; GEAR CAM
- SHAFT; ROCKER ARM
View diagrams | Part number list | Selection notes | Request a quote
Selecting Camshaft and Valve
Intake and exhaust valves have separate catalog descriptions. Keep the valve type, camshaft components and rocker arm hardware distinct when preparing an enquiry, and include any markings from the removed parts.
Catalog reference: Hitachi ZX120; engine configuration 4BG1-TCG. 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.
Group 014 — Camshaft and Valve Diagrams
Diagram 1 — 4BG1-TCG-301401
Camshaft and Valve parts reference — drawing 4BG1-TCG-301401. 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 |
|---|---|---|---|---|---|
| 001. | 8944094120 | 8-94409412-0 894409-4120 8-94409-412-0 |
CAMSHAFT Catalog qty: [1] |
— | Request a Quote |
| 004. | 1125510501 | 1-12551050-1 112551-0501 1-12551-050-1 |
VALVE; INL Catalog qty: [4] |
— | Request a Quote |
| 004. | 1125511650 | 1-12551165-0 112551-1650 1-12551-165-0 |
VALVE; INL Catalog qty: [4] |
— | Request a Quote |
| 005. | 1125521110 | 1-12552111-0 112552-1110 1-12552-111-0 |
VALVE; EXH Catalog qty: [4] |
— | Request a Quote |
| 007. | 5090002360 | 5-09000236-0 509000-2360 5-09000-236-0 |
BOLT; CM/SHF GEAR Catalog qty: [1] |
M14X39 | Request a Quote |
| 009. | 1125220162 | 1-12522016-2 112522-0162 1-12522-016-2 |
GEAR; CM/SHF Catalog qty: [1] |
Z=50 | Request a Quote |
| 010. | 9116810150 | 9-11681015-0 911681-0150 9-11681-015-0 |
PLATE; THRUST Catalog qty: [1] |
— | Request a Quote |
| 011. | 0500408250 | 0-50040825-0 050040-8250 0-50040-825-0 |
BOLT; THRUST PLATE TO C/BL Catalog qty: [2] |
A M8X25 W/LK WASHER | Request a Quote |
| 011. | 0505408250 | 0-50540825-0 050540-8250 0-50540-825-0 |
BOLT; THRUST PLATE TO C/BL Catalog qty: [2] |
M8X25 W/LK WASHER | Request a Quote |
| 012. | 9080107200 | 9-08010720-0 908010-7200 9-08010-720-0 |
KEY; CAM GEAR SET Catalog qty: [1] |
— | Request a Quote |
| 045. | 9098518503 | 9-09851850-3 909851-8503 9-09851-850-3 |
WASHER; GEAR CAM Catalog qty: [1] |
— | Request a Quote |
| 053. | 8941295510 | 8-94129551-0 894129-5510 8-94129-551-0 |
SHAFT; ROCKER ARM Catalog qty: [1] |
— | Request a Quote |
| 053. | 8972222450 | 8-97222245-0 897222-2450 8-97222-245-0 |
SHAFT; ROCKER ARM Catalog qty: [1] |
— | Request a Quote |
| 055. | 9126260050 | 9-12626005-0 912626-0050 9-12626-005-0 |
PLUG; ROCKER SHAFT END Catalog qty: [2] |
— | Request a Quote |
| 058. | 5126280120 | 5-12628012-0 512628-0120 5-12628-012-0 |
BRACKET; ROCKER SHAFT,FRT Catalog qty: [1] |
— | Request a Quote |
| 059. | 5096230600 | 5-09623060-0 509623-0600 5-09623-060-0 |
GASKET; ROCKER SHAFT Catalog qty: [1] |
— | Request a Quote |
| 065. | 5125650060 | 5-12565006-0 512565-0060 5-12565-006-0 |
COLLAR; SPLIT Catalog qty: [16] |
— | Request a Quote |
| 069. | 5125610091 | 5-12561009-1 512561-0091 5-12561-009-1 |
SPRING; VLV,OUTER Catalog qty: [8] |
— | Request a Quote |
| 069. | 1125610991 | 1-12561099-1 112561-0991 1-12561-099-1 |
SPRING; VLV,OUTER Catalog qty: [8] |
— | Request a Quote |
| 071(A). | 8941145790 | 8-94114579-0 894114-5790 8-94114-579-0 |
SEAT; SPR Catalog qty: [8] |
UPPER | Request a Quote |
| 071(B). | 1125630351 | 1-12563035-1 112563-0351 1-12563-035-1 |
SEAT; SPR Catalog qty: [8] |
LOWER | Request a Quote |
| 071(B). | 5125630010 | 5-12563001-0 512563-0010 5-12563-001-0 |
SEAT; SPR Catalog qty: [8] |
LOWER | Request a Quote |
| 072. | 1125690150 | 1-12569015-0 112569-0150 1-12569-015-0 |
SEAL; VLV GUIDE Catalog qty: [8] |
A ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 072. | 8971201670 | 8-97120167-0 897120-1670 8-97120-167-0 |
SEAL; VLV GUIDE Catalog qty: [8] |
ALSO INCLUDED IN GASKET SET(ENG. & HEAD) | Request a Quote |
| 076. | 9098514300 | 9-09851430-0 909851-4300 9-09851-430-0 |
WASHER; PL,BRKT Catalog qty: [3] |
— | Request a Quote |
| 078. | 5126110310 | 5-12611031-0 512611-0310 5-12611-031-0 |
ARM; ROCKER Catalog qty: [8] |
— | Request a Quote |
| 078. | 1126112490 | 1-12611249-0 112611-2490 1-12611-249-0 |
ARM; ROCKER Catalog qty: [8] |
— | Request a Quote |
| 081. | 9126160420 | 9-12616042-0 912616-0420 9-12616-042-0 |
SCREW; ADJ,ROCKER ARM Catalog qty: [8] |
— | Request a Quote |
| 083. | 9091115080 | 9-09111508-0 909111-5080 9-09111-508-0 |
NUT; ADJ SCREW,LK Catalog qty: [8] |
A M8 | Request a Quote |
| 083. | 0911115080 | 0-91111508-0 091111-5080 0-91111-508-0 |
NUT; ADJ SCREW,LK Catalog qty: [8] |
M8 | Request a Quote |
| 084. | 9126281050 | 9-12628105-0 912628-1050 9-12628-105-0 |
BRACKET; ROCKER SHAFT,INTER Catalog qty: [4] |
— | Request a Quote |
| 085. | 1090005670 | 1-09000567-0 109000-5670 1-09000-567-0 |
BOLT; BRKT Catalog qty: [6] |
M8X65 | Request a Quote |
| 086. | 9098514300 | 9-09851430-0 909851-4300 9-09851-430-0 |
WASHER; ROCKER ARM FIX Catalog qty: [6] |
— | Request a Quote |
| 088. | 1125750360 | 1-12575036-0 112575-0360 1-12575-036-0 |
ROD; PUSH Catalog qty: [8] |
— | Request a Quote |
| 089. | 5125710033 | 5-12571003-3 512571-0033 5-12571-003-3 |
TAPPET; VLV Catalog qty: [8] |
— | Request a Quote |
| 093. | 1094001160 | 1-09400116-0 109400-1160 1-09400-116-0 |
NUT; BRKT Catalog qty: [3] |
— | Request a Quote |
| 095. | 1095803350 | 1-09580335-0 109580-3350 1-09580-335-0 |
SPRING; ROCKER SHAFT Catalog qty: [3] |
— | Request a Quote |
| 101. | 5090300381 | 5-09030038-1 509030-0381 5-09030-038-1 |
BOLT; THRUST COLLAR Catalog qty: [2] |
M10X55 | Request a Quote |
| 107. | 9125310300 | 9-12531030-0 912531-0300 9-12531-030-0 |
SHAFT; IDLE GEAR Catalog qty: [1] |
— | Request a Quote |
| 111. | 5125350011 | 5-12535001-1 512535-0011 5-12535-001-1 |
COLLAR; THRUST,IDLE GEAR Catalog qty: [1] |
— | Request a Quote |
| 112. | 8941339373 | 8-94133937-3 894133-9373 8-94133-937-3 |
GEAR; IDLE Catalog qty: [1] |
Z=51 | Request a Quote |
| 196. | 9091800190 | 9-09180019-0 909180-0190 9-09180-019-0 |
RING; SNAP 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.

