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Alternators

EexcavaStart A3TB2891 12V 100A Alternator for Mitsubishi MONTERO 3.5L

OEM / referenceA3TB2891
Specification12V 100A Alternator; original-unit verification required
Catalog ID929290437
Product Type
Alternator
Product Brand
EexcavaStart
Primary Reference
A3TB2891
Equipment Scope
Mitsubishi MONTERO; exact catalog-listed engine/year rows only
Voltage
12 V
Rated Output
100 A
Rotation
CW
Regulator
Internal
Pulley
7 grooves; 55 mm outside diameter
Fan Type
Internal fan
Configuration Restriction
Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
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 ReferenceMITSUBISHIA3TB2891
Cross-reference (fitment check required)ARROWHEAD400-48116
Cross-reference (fitment check required)LESTER13949
Cross-reference (fitment check required)MITSUBISHI MOTORSMD370480
Cross-reference (fitment check required)MITSUBISHI REMANM370480D
Cross-reference (fitment check required)WAI1-2498-01MI
Cross-reference (fitment check required)WAI13949N

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
  • A3TB2891
Cross-reference (fitment check required)
  • 400-48116
  • 13949
  • MD370480
  • M370480D
  • 1-2498-01MI
  • 13949N

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
929290437
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

6 model references

  • Mitsubishi MONTERO 2001 / 3.5L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
  • Mitsubishi Montero 2001 / 3497cc 3.5L V6: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
  • Mitsubishi Montero 2001 / 3497cc 3.5L V6 6G74: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
  • Mitsubishi MONTERO 2002 / 3.5L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
  • Mitsubishi Montero 2002 / 3497cc 3.5L V6: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.
  • Mitsubishi Montero 2002 / 3497cc 3.5L V6 6G74: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.

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 A3TB2891

Which machines use A3TB2891?

Recorded compatible model references include Mitsubishi MONTERO 2001 / 3.5L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application., Mitsubishi Montero 2001 / 3497cc 3.5L V6: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application., Mitsubishi Montero 2001 / 3497cc 3.5L V6 6G74: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application., Mitsubishi MONTERO 2002 / 3.5L: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application., Mitsubishi Montero 2002 / 3497cc 3.5L V6: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application., Mitsubishi Montero 2002 / 3497cc 3.5L V6 6G74: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Mitsubishi Montero 3.5L, 2001-2002 only; seven-groove 55 mm pulley. Not the 3.8L application.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for A3TB2891?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm A3TB2891 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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