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.
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
12-015
Manufacturer number
13531100
Cross-reference (fitment check required)
RK9915A
310N10718Z
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 Voltage Regulator
Category
Alternators
Catalog ID
54062981
Photo views
5
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
3 model references
Engine model: 4JJ1
Engine model: 4JJ1X
Machine model: SH125X-3B
Fitment / evidence notes
Fitment limitation: Confirm connector, mounting holes and charging-system configuration
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 12-015
Which machines use 12-015?
Recorded compatible model references include Engine model: 4JJ1, Engine model: 4JJ1X, Machine model: SH125X-3B. Recorded fitment/evidence notes: Fitment limitation: Confirm connector, mounting holes and charging-system configuration. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 12-015?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Manufacturer number: 13531100.
How do I confirm 12-015 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.