Excavator Starter Motors

EexcavaStart S25121A 24V 3.5kW 9T Starter Motor for Isuzu Misc. Industrial Equipment

Q: What numbers are documented for S25121A?

Primary Manufacturer Part Number: S25121A. Interchange Reference: SHI0099. Interchange Reference: 111247. Interchange Reference: S25-121. Search Format Alias: S25-121A. Interchange Reference: 5811001290. Interchange Reference: 5811001291. Interchange Reference: 5811001292. Interchange Reference: 410-44012. Interchange Reference: 18285. Interchange Reference: STR-6105. Interchange Reference: 2-2264-HI. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm S25121A before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

1 product photo · Swipe on mobile, or hover and select a thumbnail.

OEM / referenceS25121A

Specification24V 3.5kW 9T CW Starter Motor

Catalog ID14119925

24V 3.5kW 9T CW Starter Motor reference S25121A. Compare the complete part number, connector layout, mounting points and original unit before ordering; machine serial range can affect fitment.

Product Type: Starter Motor
Product Brand: EexcavaStart
Item Condition: Aftermarket Part
Unit Type: Starter
Part Type: UNIT
Voltage: 24
Rotation: CW
Teeth: 9
KW: 3.5
Starter Type: OSGR
Fits: ISUZU DIESEL ELF IND. ENGINES C190 C240
Image Disclosure: EexcavaStart labeled packaging placeholder; product photo pending

Send email inquiry Ask on WhatsApp Return to catalog

Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	HITACHI	S25121A
Interchange Reference	ARROWHEAD	SHI0099
Interchange Reference	CARGO	111247
Interchange Reference	HITACHI	S25-121
Search Format Alias	Formatting variant only	S25-121A
Interchange Reference	ISUZU	5811001290
Interchange Reference	ISUZU	5811001291
Interchange Reference	ISUZU	5811001292
Interchange Reference	J&N Electrical Products	410-44012
Interchange Reference	LESTER	18285
Interchange Reference	NSA	STR-6105
Interchange Reference	WAI	2-2264-HI

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

S25121A

Formatting alias

S25-121A

Direct interchange

SHI0099
111247
S25-121
5811001290
5811001291
5811001292
410-44012
18285
STR-6105
2-2264-HI

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

24V 3.5kW 9T CW Starter Motor

Category: Excavator Starter Motors
Catalog ID: 14119925
Photo views: 1

Before ordering

Confirm these details

Confirm voltage and power rating against the original starter nameplate.
Compare mounting-hole pattern, flange position and overall body orientation.
Confirm pinion tooth count and rotation where those values are specified.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

29 model references

ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1982
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1982
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1983
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1983
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1984
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1984
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1985
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1985
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1986
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1986
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1987
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1987
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1988
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1988
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1989
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1989
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1990
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1990
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1991
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1991
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1992
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1992
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1993
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1993
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1994
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1994
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1995
ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1995
Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about S25121A

Which machines use S25121A?

Recorded compatible model references include ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1982, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1982, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1983, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1983, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1984, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1984, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-190 Engine; Year: 1985, ISUZU Misc. Industrial Equipment: Equipment type: Engine; Engine: C-240 Engine; Year: 1985 and 21 additional models shown on this page. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for S25121A?

Documented direct interchanges: SHI0099, 111247, S25-121, 5811001290, 5811001291, 5811001292, 410-44012, 18285, STR-6105, 2-2264-HI. Formatting aliases for the same number: S25-121A.

How do I confirm S25121A before ordering?

Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.