Isuzu 4BG1 Fuel Injection System Parts Catalog for Hitachi ZX120

Use this Group 040 parts catalog to identify injection pump, injector nozzles, injection pipes and nozzle hardware for the Isuzu 4BG1 configuration listed in the Hitachi ZX120 catalog. Compare 39 catalog entries, diagram positions and alternative number formats before requesting a quote from WinsDiesel.

Components Listed in This Group

View diagrams | Part number list | Selection notes | Request a quote

Selecting Fuel Injection System

Injection pipes are distinguished by cylinder position in their catalog descriptions. Keep the pipe number, pump plate and injector identification with the enquiry rather than assuming all 4BG1 injection equipment is interchangeable.

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 040 — Fuel Injection System Diagrams

Diagram 1 — 4BG1-TCG-304001

Fuel Injection System parts reference — drawing 4BG1-TCG-304001. Click to view the full-size diagram; use the positions and complete part numbers in the table below.

Diagram 2 — 4BG1-TCG-304002

Fuel Injection System parts reference — drawing 4BG1-TCG-304002. Click to view the full-size diagram; use the positions and complete part numbers in the table below.

Diagram 3 — 4BG1-TCG-304003

Fuel Injection System parts reference — drawing 4BG1-TCG-304003. Click to view the full-size diagram; use the positions and complete part numbers in the table below.

Diagram 4 — 4BG1-TCG-304004

Fuel Injection System parts reference — drawing 4BG1-TCG-304004. 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.	8972490840	8-97249084-0 897249-0840 8-97249-084-0	PUMP ASM; INJ Catalog qty: [1]	SEE FIG-NO 0-80 - 0-85 FOR COMPONENT.	Request a Quote
015.	8972475920	8-97247592-0 897247-5920 8-97247-592-0	COUPLING ASM; INJ PUMP Catalog qty: [1]	SEE FIG-NO 0-87 FOR COMPONENT.	Request a Quote
016.	8970314672	8-97031467-2 897031-4672 8-97031-467-2	PIPE; INJ NO.1 Catalog qty: [1]	—	Request a Quote
017.	8970314682	8-97031468-2 897031-4682 8-97031-468-2	PIPE; INJ NO.2 Catalog qty: [1]	—	Request a Quote
018.	8970314692	8-97031469-2 897031-4692 8-97031-469-2	PIPE; INJ NO.3 Catalog qty: [1]	—	Request a Quote
019.	8970314702	8-97031470-2 897031-4702 8-97031-470-2	PIPE; INJ NO.4 Catalog qty: [1]	—	Request a Quote
031(B).	8972221700	8-97222170-0 897222-1700 8-97222-170-0	NOZZLE ASM; INJ Catalog qty: [4]	—	Request a Quote
032(B).	8971348410	8-97134841-0 897134-8410 8-97134-841-0	HOLDER ASM; NOZZLE Catalog qty: [4]	—	Request a Quote
033.	1153113010	1-15311301-0 115311-3010 1-15311-301-0	NOZZLE; INJ Catalog qty: [4]	—	Request a Quote
034.	1096750371	1-09675037-1 109675-0371 1-09675-037-1	BOLT; EYE,NOZZLE HOLDER Catalog qty: [4]	M8X18 FLANGE	Request a Quote
035.	1153320170	1-15332017-0 115332-0170 1-15332-017-0	NUT; NOZZLE RET,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
036.	1096300820	1-09630082-0 109630-0820 1-09630-082-0	GASKET; RETURN PIPE,NOZZLE HOLDER Catalog qty: [8]	ID=8.2<BR>ALSO INCLUDED IN GASKET SET(ENG. & HEAD)	Request a Quote
037(B).	5153320060	5-15332006-0 515332-0060 5-15332-006-0	NUT; CAP,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
038(B).	5153390600	5-15339060-0 515339-0600 5-15339-060-0	GASKET; CAP NUT,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
039(B).	8941695030	8-94169503-0 894169-5030 8-94169-503-0	SCREW; ADJ,NOZZLE SPRING,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
041(B).	8943203080	8-94320308-0 894320-3080 8-94320-308-0	CONNECTOR; FUEL INL,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
042.	5513390030	5-51339003-0 551339-0030 5-51339-003-0	GASKET; INL CONNECTOR,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
044.	5153430050	5-15343005-0 515343-0050 5-15343-005-0	SPRING; NOZZLE,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
045(B).	8941695020	8-94169502-0 894169-5020 8-94169-502-0	ROD; PUSH,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
054.	9153390510	9-15339051-0 915339-0510 9-15339-051-0	COVER; DUST,NOZZLE HOLDER Catalog qty: [4]	—	Request a Quote
062.	0911501080	0-91150108-0 091150-1080 0-91150-108-0	NUT; NOZZLE HOLDER Catalog qty: [8]	A M8	Request a Quote
062.	0911801080	0-91180108-0 091180-1080 0-91180-108-0	NUT; NOZZLE HOLDER Catalog qty: [8]	M8	Request a Quote
063(B).	8970209371	8-97020937-1 897020-9371 8-97020-937-1	PIPE; FUEL,NOZZLE LEAK OFF Catalog qty: [1]	—	Request a Quote
065.	9095720140	9-09572014-0 909572-0140 9-09572-014-0	GASKET; FUEL FILTER Catalog qty: [4]	ID=14.2 OD=23.0<BR>ALSO INCLUDED IN GASKET SET(ENGINE)	Request a Quote
066.	5153150030	5-15315003-0 515315-0030 5-15315-003-0	GASKET; INJ NOZZLE Catalog qty: [4]	ALSO INCLUDED IN GASKET SET(ENG. & HEAD)	Request a Quote
072.	0280510200	0-28051020-0 028051-0200 0-28051-020-0	BOLT; BRKT TO INJ PUMP Catalog qty: [1]	M10X20 FLANGE	Request a Quote
073.	9091505100	9-09150510-0 909150-5100 9-09150-510-0	WASHER; LK,BRKT TO INJ PUMP Catalog qty: [1]	ID=10.2	Request a Quote
080(C).	8972221710	8-97222171-0 897222-1710 8-97222-171-0	BRACKET; PUMP Catalog qty: [1]	—	Request a Quote
080(C).	8973227300	8-97322730-0 897322-7300 8-97322-730-0	BRACKET; PUMP Catalog qty: [1]	—	Request a Quote
084.	9091105100	9-09110510-0 909110-5100 9-09110-510-0	NUT; BRKT TO BRKT Catalog qty: [1]	M10	Request a Quote
084.	0911502100	0-91150210-0 091150-2100 0-91150-210-0	NUT; BRKT TO BRKT Catalog qty: [1]	A M10	Request a Quote
084.	0911802100	0-91180210-0 091180-2100 0-91180-210-0	NUT; BRKT TO BRKT Catalog qty: [1]	M10	Request a Quote
087.	0280810200	0-28081020-0 028081-0200 0-28081-020-0	BOLT; PUMP Catalog qty: [2]	A M10X20 FLANGE	Request a Quote
087.	0280510200	0-28051020-0 028051-0200 0-28051-020-0	BOLT; PUMP Catalog qty: [2]	M10X20 FLANGE	Request a Quote
093.	9095714080	9-09571408-0 909571-4080 9-09571-408-0	GASKET; LEAK OFF PIPE Catalog qty: [2]	—	Request a Quote
113.	5154190131	5-15419013-1 515419-0131 5-15419-013-1	CLIP; INJ PIPE Catalog qty: [3]	—	Request a Quote
133(A).	8972572570	8-97257257-0 897257-2570 8-97257-257-0	PIPE; INJ NOZZLE LEAK OFF Catalog qty: [1]	—	Request a Quote
134.	1096750371	1-09675037-1 109675-0371 1-09675-037-1	BOLT; JOINT,LEAK OFF PIPE Catalog qty: [1]	M8X18 FLANGE	Request a Quote
137(A).	5154112231	5-15411223-1 515411-2231 5-15411-223-1	PIPE ASM; LEAK OFF 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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Tag: Hitachi ZX120, Isuzu 4BG1, Parts Catalog