Excavator Starter Motors
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428000-4430 is a Denso starter reference in the official WAI 19502N replacement family. WAI specifies a new 12-volt, 5.0 kW, clockwise, 10-tooth Denso R5.0 OSGR starter. Published heavy-duty applications include Freightliner and International equipment using Cummins M11 or Detroit Diesel Series 50 and Series 60 engines. Confirm the complete number, rating, pinion, flange, terminals, engine and vehicle serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Denso Part Number | Official WAI replacement-reference entry | 428000-4430 |
| Formatted Alias | Same Denso number without hyphen; not a separate interchange | 4280004430 |
| Denso Manufacturer Reference | Cataloged manufacturer reference | TG428000-4430 |
| Navistar Equipment Reference | Cataloged equipment reference | 2593563C91 |
| Aftermarket Catalog Number | Official WAI product record | WAI 19502N |
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 Published Vehicle Families: Freightliner and International heavy-duty equipment, Published Engine Families: Cummins M11 / Detroit Diesel Series 50 / Detroit Diesel Series 60, Fitment Limitation: Confirm 428000-4430, 12V/5.0kW label, 10-tooth pinion, flange, terminals, engine and serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: TG428000-4430. Formatting aliases for the same number: 4280004430.
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.
