Part #: 13671N

WAI 13671N Alternator

15 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, 4Runner, T100, Tacoma, and Tundra
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Reliable Alternator for Toyota 4Runner T100 Tacoma Tundra

The WAI 13671N alternator is designed to provide consistent electrical charging and starting performance for select Toyota models. Engineered with an internal fan and regulator, this alternator supports the demanding electrical needs of the 4Runner, T100, Tacoma, and Tundra.

Key Features of WAI 13671N Alternator

  • 12-volt electrical system compatibility
  • Internal fan type for efficient cooling
  • Clockwise (right) rotation direction
  • Includes a 4-groove serpentine pulley
  • Internal voltage regulator for stable output
  • 70-amp amperage rating suitable for standard electrical loads
  • Compatible with Denso family alternators
  • No decoupled or clutch pulley included

Detailed Product Description

The WAI 13671N alternator is built to meet the specifications of Toyota vehicles such as the 4Runner, T100, Tacoma, and Tundra. Featuring an internal fan, this alternator maintains optimal operating temperatures by efficiently dissipating heat during operation. The clockwise rotation and serpentine belt pulley with four grooves ensure proper fitment and reliable power transfer. An internal voltage regulator maintains consistent electrical output, protecting your vehicle’s battery and electrical components. With a 70-amp rating, this alternator supports the electrical demands of standard Toyota applications without the need for a decoupled or clutch pulley.

Common Applications and Issues Addressed

  • Replacement for failing or underperforming alternators in Toyota 4Runner, T100, Tacoma, and Tundra
  • Resolves battery charging problems and electrical system malfunctions
  • Eliminates dimming headlights and electrical accessory failures
  • Prevents battery drain caused by faulty voltage regulation
  • Restores proper serpentine belt operation with included pulley

Installation Notes and Tips

Ensure the alternator rotation direction matches your vehicle’s requirements; this model rotates clockwise (right). Verify the serpentine belt groove count and type to match the included 4-groove pulley. Confirm compatibility with your Toyota model year and engine configuration before installation. Proper torque specifications should be followed when mounting the alternator to avoid damage.

Quality Assurance and Warranty

WAI alternators are manufactured to meet OEM standards and undergo rigorous quality control. The 13671N alternator is designed for durability and reliable performance in Toyota vehicles. Please refer to the product documentation or supplier for specific warranty details.

BrandWAI
Part Number13671N
1212
Fan TypeInternal
Rotation DirectionClockwise (right)
Pulley IncludedYes
FamilyDenso
Pulley Groove Quantity4
Pulley Belt TypeSerpentine
Regulator TypeInternal
Decoupled Or Clutch PulleyNo
Amperage Rating70

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002ToyotaTundra3.4LV6N/AStd, 70 Amp
2001ToyotaTundra3.4LV6N/AStd, 70 Amp
2000ToyotaTundra3.4LV6N/AStd, 70 Amp
1999ToyotaTacoma3.4LV6N/A
1998Toyota4Runner3.4LV6N/A
1998ToyotaT1003.4LV6N/A
1998ToyotaTacoma3.4LV6N/A
1997Toyota4Runner3.4LV6N/A
1997ToyotaT1003.4LV6N/AFrom Mid 1997
1997ToyotaTacoma3.4LV6N/A
1996Toyota4Runner3.4LV6N/A
1996ToyotaT1003.4LV6N/A
1996ToyotaTacoma3.4LV6N/A
1995ToyotaT1003.4LV6N/A
1995ToyotaTacoma3.4LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

101211-0730101211-4130101211-4131101211-4132102211-0952102211-5040102211-5041102211-5042136701367127060-6211027060-62110-8427060-6214027060-6218027060-6219027060-62190-84270606214084

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.