Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact supplied catalog and source-folder identity | RE54091 |
Starter Motors
John Deere RE54091 Starter Motor for 4045
3 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / referenceRE54091
SpecificationStarter Motor
Catalog ID91000058
- Product Type
- Starter Motor
- Product Brand
- EexcavaStart
- Equipment Brand
- John Deere
- Condition
- New replacement part
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.
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
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
Starter Motor
- Category
- Starter Motors
- Catalog ID
- 91000058
- Photo views
- 3
Before ordering
Confirm these details
- 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.
- Verify the engine model and machine serial range before ordering.
Machine fitment
Compatible model references
2 model references
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
Common questions about RE54091
Which machines use RE54091?
Recorded compatible model references include Machine models: 4039 and 4045 OEM Engines (ESN -699999), Engine models: 4045. Recorded fitment/evidence notes: Fitment limitation: Confirm the exact part number, voltage/output or power rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for RE54091?
No alternate number is listed for RE54091. Send the original nameplate for an alternate-number check.
How do I confirm RE54091 before ordering?
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.