Starter Motors
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official basic electric starting motor identity | 415-1804 |
| Same-number Formatting Variant | Search alias only | 4151804 |
| Official Cat Reman Alternative | Remanufactured alternative; not a formatting alias | 20R-4882 |
| Same-number Formatting Variant | Search alias for reman alternative only | 20R4882 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Before ordering
Machine fitment
1 model reference
Fitment / evidence notes
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
Recorded compatible model references include Official Cat industrial engines: C9.3 / C9 / C13. Recorded fitment/evidence notes: Fitment limitation: Confirm 415-1804, 24 V, SAE No. 3 mounting, terminal layout and engine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 4151804, 20R4882. Remanufactured references: 20R-4882.
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.
