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Isuzu 4BD1 Oil Pump and Oil Strainer Parts Catalog for Hitachi EX120-3

Use this parts catalog to identify oil pump, oil strainer and related components for the Isuzu 4BD1 configuration listed in the Hitachi EX120-3 catalog. Compare 23 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

  • PUMP ASM; OIL
  • SEAT; SPR
  • PIN; SPLIT
  • SPRING; COIL
  • GEAR; DRIVEN,OIL PUMP
  • GEAR SET; OIL PUMP
  • BOLT; OIL PUMP
  • PINION; OIL PUMP DRIVING
  • SHAFT; OIL PUMP
  • COVER; OIL PUMP

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

Selecting Oil Pump and Oil Strainer

The pump, strainer, gears and relief-valve components appear as separate entries. Include the original pump number and specify whether a complete assembly or an individual internal part is required.

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.

Oil Pump and Oil Strainer Diagrams

Diagram 1 — 051A0150794

Isuzu 4BD1 oil pump and oil strainer parts diagram 051A0150794 for Hitachi EX120-3

Oil Pump and Oil Strainer parts reference — drawing 051A0150794. Click to view the full-size diagram; use the positions and complete part numbers in the table below.

Diagram 2 — 051A0250794

Isuzu 4BD1 oil pump and oil strainer parts diagram 051A0250794 for Hitachi EX120-3

Oil Pump and Oil Strainer parts reference — drawing 051A0250794. Click to view the full-size diagram; use the positions and complete part numbers in the table below.

Diagram 3 — 051A0350794

Isuzu 4BD1 oil pump and oil strainer parts diagram 051A0350794 for Hitachi EX120-3

Oil Pump and Oil Strainer parts reference — drawing 051A0350794. 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(F). 8943775391 8-94377539-1
894377-5391
8-94377-539-1
PUMP ASM; OIL
Catalog qty: [1]
— Request a Quote
2. 5131650040 5-13165004-0
513165-0040
5-13165-004-0
SEAT; SPR
Catalog qty: [1]
— Request a Quote
3. 9081040300 9-08104030-0
908104-0300
9-08104-030-0
PIN; SPLIT
Catalog qty: [1]
— Request a Quote
5. 5095800980 5-09580098-0
509580-0980
5-09580-098-0
SPRING; COIL
Catalog qty: [1]
— Request a Quote
8. 5131250020 5-13125002-0
513125-0020
5-13125-002-0
GEAR; DRIVEN,OIL PUMP
Catalog qty: [1]
— Request a Quote
8. 5131250020 5-13125002-0
513125-0020
5-13125-002-0
GEAR; DRIVEN,OIL PUMP
Catalog qty: [1]
— Request a Quote
8. 5131250020 5-13125002-0
513125-0020
5-13125-002-0
GEAR; DRIVEN,OIL PUMP
Catalog qty: [1]
— Request a Quote
19(A). 5878102022 5-87810202-2
587810-2022
5-87810-202-2
GEAR SET; OIL PUMP
Catalog qty: [1]
— Request a Quote
19(A). 5878102022 5-87810202-2
587810-2022
5-87810-202-2
GEAR SET; OIL PUMP
Catalog qty: [1]
— Request a Quote
29. 0500410250 0-50041025-0
050041-0250
0-50041-025-0
BOLT; OIL PUMP
Catalog qty: [2]
— Request a Quote
29. 0280810250 0-28081025-0
028081-0250
0-28081-025-0
BOLT; OIL PUMP
Catalog qty: [2]
— Request a Quote
32(A). 1131280180 1-13128018-0
113128-0180
1-13128-018-0
PINION; OIL PUMP DRIVING
Catalog qty: [1]
— Request a Quote
34. 5131210140 5-13121014-0
513121-0140
5-13121-014-0
SHAFT; OIL PUMP
Catalog qty: [1]
— Request a Quote
34. 5131210140 5-13121014-0
513121-0140
5-13121-014-0
SHAFT; OIL PUMP
Catalog qty: [1]
— Request a Quote
35(A). 5131130351 5-13113035-1
513113-0351
5-13113-035-1
COVER; OIL PUMP
Catalog qty: [1]
— Request a Quote
35(A). 5131130351 5-13113035-1
513113-0351
5-13113-035-1
COVER; OIL PUMP
Catalog qty: [1]
— Request a Quote
35(A). 5131130351 5-13113035-1
513113-0351
5-13113-035-1
COVER; OIL PUMP
Catalog qty: [1]
— Request a Quote
40. 1131230160 1-13123016-0
113123-0160
1-13123-016-0
COUPLING; PINION TO SHAFT
Catalog qty: [1]
— Request a Quote
41. 5098430030 5-09843003-0
509843-0030
5-09843-003-0
BALL; OIL RELIEF VLV
Catalog qty: [1]
— Request a Quote
42(C). 8943775721 8-94377572-1
894377-5721
8-94377-572-1
STRAINER; OIL,OIL PUMP
Catalog qty: [1]
— Request a Quote
43(E). 8943445910 8-94344591-0
894344-5910
8-94344-591-0
BOLT; CASE
Catalog qty: [4]
— Request a Quote
43(E). 8943445910 8-94344591-0
894344-5910
8-94344-591-0
BOLT; CASE
Catalog qty: [4]
— Request a Quote
56. 1096231630 1-09623163-0
109623-1630
1-09623-163-0
GASKET; RELIEF VALVE
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.

Related 4BD1 Catalog Groups

Browse the Isuzu 4BD1 Parts Catalog

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