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Alternators

EexcavaStart LF8J-18-300 12V 100A Alternator for Mazda 3 2.0L L4

OEM / referenceLF8J-18-300
Specification12V 100A Alternator; original-unit verification required
Catalog ID929290363
Product Type
Alternator
Product Brand
EexcavaStart
Primary Reference
LF8J-18-300
Equipment Scope
Mazda 3; exact catalog-listed engine/year rows only
Voltage
12 V
Rated Output
100 A
Rotation
CW
Regulator
External
Fan Type
Internal fan
Clock (catalog index)
9; confirm connector orientation on the original unit
Availability
Quote only; stock not confirmed
Image Disclosure
Brand packaging illustration; exact-unit photograph not confirmed

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.

Part-number relationships

RelationshipReference familyNumber
Primary Manufacturer ReferenceMAZDALF8J-18-300
Search Format AliasFormatting onlyLF8J18300
Cross-reference (fitment check required)LESTER11342
Cross-reference (fitment check required)LUCAS ELECTRICAL EUROPELRA03863
Cross-reference (fitment check required)MITSUBISHIA2TJ0791
Cross-reference (fitment check required)PIC203-5184
Cross-reference (fitment check required)REMY LIGHT DUTY12999

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
  • LF8J-18-300
Formatting alias
  • LF8J18300
Cross-reference (fitment check required)
  • 11342
  • LRA03863
  • A2TJ0791
  • 203-5184
  • 12999

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

12V 100A Alternator; original-unit verification required

Category
Alternators
Catalog ID
929290363
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

3 model references

  • Mazda 3 2010 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
  • Mazda 3 2011 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections
  • Mazda 3 2012 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections

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 LF8J-18-300

Which machines use LF8J-18-300?

Recorded compatible model references include Mazda 3 2010 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda 3 2011 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections, Mazda 3 2012 / 1999cc 2.0L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for LF8J-18-300?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: LF8J18300.

How do I confirm LF8J-18-300 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.

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