TYC 2-21247 Alternator
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TYC

TYC 2-21247 Alternator

Brand TYC 2-21247
Fan Position Internal
Power Generation (amps) 130
Pully Wheel Design Regular
Pully Wheel Grooves 7
Rotation Direction Cw
Fits Toyota · 5 vehicles

130-amp output. Provides dependable charging performance for your electrical system.

Internal fan design. Helps manage heat for consistent alternator operation.

Regular pulley design. Built for smooth belt engagement and reliable drive.

Cross-references BBB Industries 42145, Gates 21247 and WAI 21247N for the same application. See all 4.

$212.46Free shipping
In stock · usually ships same day before 1pm CST
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Alternator for Toyota Tacoma

This TYC alternator is a direct-fit charging component for 2016-2020 Toyota Tacoma models with 130-amp power generation. Built with an internal fan, 7-groove pulley, and clockwise rotation, it supports stable electrical output for daily driving and accessory loads.

Key Features

  • 130-amp power generation for OE-style charging performance
  • Internal fan design for compact alternator cooling
  • Regular pulley wheel design with 7 grooves
  • Clockwise rotation direction
  • TYC part number 2-21247 for easy identification

Detailed Description

TYC 2-21247 is an alternator for the 2016-2020 Toyota Tacoma, engineered around the listed electrical and pulley specifications to match the original application. It is a practical replacement for Tacoma charging-system service when the vehicle needs restored alternator output, stable battery charging, or replacement of a worn unit. This part cross-references BBB Industries 42145 for the same application.

Compatible With 2016-2020 Toyota Tacoma, N/A, this alternator uses an internal fan, 130 amps of power generation, a regular 7-groove pulley, and clockwise rotation. The TYC 2-21247 listing also aligns with common search terms such as 2016 Toyota Tacoma 130 amp alternator replacement, 2017-2020 Toyota Tacoma charging system alternator, and Toyota Tacoma OE-style generator replacement.

What It Helps Address

  • Low battery charging output
  • Dim lights or electrical instability
  • Warning lights related to charging-system performance
  • Alternator noise or wear from a failing unit
  • Starting issues caused by insufficient charging

Installation Notes and Tips

Verify pulley groove count, rotation direction, and amperage before installation to confirm match with the original unit. Inspect the drive belt, belt tension, battery condition, and charging connections during replacement to help ensure proper system operation after installation.

Quality Assurance

TYC manufactures replacement electrical components to meet application-specific fitment and performance requirements. Part number 2-21247 is cataloged for the confirmed Toyota Tacoma fitment shown above.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersNotes
2020ToyotaTacomaTRD SportExtended Cab Pickup3.5LV6Power Generation (Amps): 130A
2019ToyotaTacomaTRD SportExtended Cab Pickup3.5LV6Power Generation (Amps): 130A
2018ToyotaTacomaTRD ProCrew Cab Pickup3.5LV6Power Generation (Amps): 130A
2017ToyotaTacomaSRCrew Cab Pickup3.5LV6Power Generation (Amps): 130A
2016ToyotaTacomaTRD SportCrew Cab Pickup3.5LV6Power Generation (Amps): 130A
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 42145Gates — 21247WAI — 21247N27060-0P350