Starter Motor 185-9157 for Caterpillar 307C

OEM / REF: 185-9157SKU: pilotpart721174

Starter Motor 185-9157 For Caterpillar 305.5 306 307C 307D 308C 308D Excavators is a Starter Motor replacement part indexed for Caterpillar 307C and Caterpillar 307D, with 3 application records on file. Match OEM part number 185-9157 and confirm fitment for Caterpillar Engine Spare Parts before ordering.

Stock
In stock
Condition
New
Fitment
Caterpillar Engine Spare Parts
  • Fitment support before you order
  • Worldwide delivery options

Starter Motor Description

This Starter Motor is indexed for Caterpillar 307C; Caterpillar 307D; Caterpillar 308C; Caterpillar 305.5. Compare reference number 185-9157 against the label on your existing Caterpillar component before ordering.

Before checkout, compare OEM part number 185-9157, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

Applications

  • Caterpillar 307C
  • Caterpillar 307D
  • Caterpillar 308C
  • Caterpillar 305.5
  • Caterpillar 306
  • Caterpillar 308D

Specifications

Voltage24V
Power3.2KW
Teeth11T
RotationCW
Overall Length235mm
Mounting HoleM10x1.25mm
Mt Holes Centre114mm
Flange Diameter77mm
Nose Cone Length16mm
Pinion at Rest9mm
Field Housing Diameter82mm
Pinon Diameter32mm
Part Number (CATERPILLAR)185-9157, 1859157
Part NumberCATERPILLAR: 185-9157, 1859157

Fitment Notes

Brand or application signal
Caterpillar Engine Spare Parts
Product family
Starter Motor
System category
Engine Spare Parts > Engine Auxiliary Components > Starter Motor
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment

Send machine details before ordering high-risk parts.