Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Reference | DENSO | 104210-3120 |
Alternators
EexcavaStart 104210-3120 Alternator for LEXUS RX (MCU15) 300 (MCU10_, MCU10R)
EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.
OEM / reference104210-3120
SpecificationAlternator; original-unit comparison required
Catalog ID929950013
- Product type
- Replacement alternator
- Reference usage
- 104210-3120 replacement reference; not a genuine-DENSO claim
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 photos of your original unit 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
Alternator; original-unit comparison required
- Category
- Alternators
- Catalog ID
- 929950013
- Illustration views
- 1
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
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
Common questions about 104210-3120
Which machines use 104210-3120?
Recorded compatible model references include LEXUS RX (MCU15) 300 (MCU10_, MCU10R): Engine 1MZ-FE; 01.1998–02.2003. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 104210-3120?
No alternate number is listed for 104210-3120. Send the original nameplate for an alternate-number check.
How do I confirm 104210-3120 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.