Starter Motors
4 product photos · Swipe on mobile, or hover and select a thumbnail.
Dimension codes identify measurement points on a matching technical drawing; they are not universal dimension names. Request the drawing or measurement-point confirmation for this reference before comparing your original unit.
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 Part Number | Source catalog | 3K021-63012 |
| Same-number Formatting Variant | Source catalog | 3K02163012 |
| Cross-reference (fitment check required) | Recorded in the cited catalog family; confirm electrical, mounting and application configuration | STM2852ML |
| Cross-reference (fitment check required) | Recorded in the cited catalog family; confirm electrical, mounting and application configuration | STQ2852ML |
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
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 Recorded application: KUBOTA M6040 M704K M7040 M954K M9540 Tractor. Confirm the complete part number and machine serial range before ordering.
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: 3K02163012.
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.
