Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact supplied catalog and source-folder identity | RE218703 |
Excavator Alternators
John Deere RE218703 Alternator for 4920 Sprayer 8120 8220
3 product photos · Swipe on mobile, or hover and select a thumbnail.
OEM / referenceRE218703
SpecificationAlternator
Catalog ID91000049
Exact-number John Deere catalog records identify RE218703 as a alternator assembly. The supplied catalog contains 8 supporting application records. Recorded machine applications include 4920 Sprayer, 8120, 8220, 8320, 8420 and 8520 Tractors ( ). Compare the complete number, electrical rating, terminals, mounting and machine serial range with the original unit before ordering.
- Product Type
- Alternator
- 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.
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. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Alternator
- Category
- Excavator Alternators
- Catalog ID
- 91000049
- Photo views
- 3
Before ordering
Confirm these details
- Confirm voltage and rated amperage against the original alternator label.
- Compare mounting ears, pulley type and pulley-groove count.
- Check plug shape, terminal position and regulator connection.
- Verify the engine model and machine serial range before ordering.
Machine fitment
Compatible model references
2 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
Common questions about RE218703
Which machines use RE218703?
Recorded compatible model references include Machine models: 4920 Sprayer / 8120 / 8220 / 8320 / 8420 and 8520 Tractors ( ) / 8120T / 8220T / 8320T / 8420T and 8520T Tractors, 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 RE218703?
No alternate number is listed for RE218703. Send the original nameplate for an alternate-number check.
How do I confirm RE218703 before ordering?
Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.