Excavator Starter Motors
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438000-2920 12V Starter Motor for Excavator and Diesel Equipment. EexcavaStart starter motor identified by reference 438000-2920. Compare the complete part number, connector or mounting configuration, and the original product photos before ordering. Send the machine model, serial number, and nameplate photo for a fitment check.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Complete Denso-family number | 438000-2920 |
| Manufacturer Variant | Published suffix variant; verify unit label | 438000-2921 |
| Interchange Reference | Verify dimensions and terminal layout | UD05713S / Dixie 246-31107 / Robert's 190-90145 |
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. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
3 model references
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 Engine: Cummins ISB 6.7, Engine: Cummins QSB 6.7, Fitment limitation: Confirm 438000-2920, 12V, 10-tooth CW drive, 300 mm length, 89 mm register, 126 mm mounting centers and original nameplate power. Confirm the complete part number and machine serial range before ordering.
Documented direct interchanges: UD05713S / Dixie 246-31107 / Robert's 190-90145. Manufacturer number: 438000-2921.
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.
