HomeDriveline and Axles > DifferentialStandard Ignition TCA106 4WD Actuator
Part #: TCA106

Standard Ignition TCA106 4WD Actuator

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Sequoia, Tundra, Tacoma, and 4Runner
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Reliable 4WD Actuator for Toyota 4Runner, Sequoia, Tacoma, and Tundra

The Standard Ignition 4WD Actuator (Part Number TCA106) is designed to provide precise control and reliable operation for your Toyota 4Runner, Sequoia, Tacoma, or Tundra. Engineered to meet OEM specifications, this actuator ensures proper engagement of the four-wheel-drive system for optimal driveline performance.

  • Connector Gender: Female for secure connection
  • Single rectangular connector for easy installation
  • Male blade terminals, 6 in total, for reliable electrical contact
  • Compatible with Toyota 4Runner, Sequoia, Tacoma, and Tundra models
  • Part Number TCA106 for accurate identification and fitment

Technical Details and Features

This 4WD actuator features a female connector with a rectangular shape, designed to fit seamlessly with the vehicle’s wiring harness. It includes one connector with six male blade terminals, ensuring a stable and corrosion-resistant electrical connection. The blade terminal type supports efficient current flow, which is critical for the actuator’s responsiveness and durability. The Standard Ignition TCA106 actuator is manufactured to meet strict quality standards, providing consistent performance in demanding driving conditions.

Compatible Toyota Models and Applications

The Standard Ignition 4WD Actuator TCA106 is compatible with multiple Toyota models, including the 4Runner, Sequoia, Tacoma, and Tundra. This part is essential for vehicles equipped with four-wheel-drive systems that require precise actuator control to engage and disengage the front axle. Using the correct actuator helps maintain proper driveline function and prevents issues related to 4WD engagement.

  • Resolves 4WD engagement failure or intermittent operation
  • Eliminates front axle lockup or disengagement problems
  • Addresses electrical connection issues due to worn terminals
  • Prevents actuator motor malfunction caused by faulty wiring
  • Improves overall driveline reliability and performance

Installation Notes and Tips

When installing the Standard Ignition 4WD Actuator TCA106, ensure the female rectangular connector aligns properly with the vehicle’s wiring harness. Verify that all six male blade terminals are clean and free of corrosion before connection. It is recommended to inspect the actuator mounting points and wiring for damage during replacement. Proper torque specifications should be followed to avoid damage to the actuator or mounting hardware.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TCA106 4WD Actuator undergoes rigorous testing to verify electrical and mechanical functionality. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.

BrandStandard Ignition
Part NumberTCA106
Connector GenderFemale
Connector ShapeRectangular
Terminal GenderMale
Terminal TypeBlade

This part fits 20 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2007ToyotaSequoia4WDN/ATo 11/07
2006ToyotaSequoia4WDN/A
2006ToyotaTundra4WDN/ATo 11/06
2005ToyotaSequoia4WDN/A
2005ToyotaTundra4WDN/A
2004ToyotaSequoia4WDN/A
2004ToyotaTacoma4WDN/A
2004ToyotaTundra4WDN/A
2003ToyotaSequoia4WDN/A
2003ToyotaTacoma4WDN/A
2003ToyotaTundra4WDN/A
2002Toyota4RunnerN/A
2002ToyotaSequoia4WDN/A
2002ToyotaTacoma4WDN/A
2002ToyotaTundra4WDN/A
2001Toyota4RunnerN/A
2001ToyotaSequoia4WDN/A
2001ToyotaTacoma4WDN/A
2001ToyotaTundra4WDN/A
2000ToyotaTundra4WDN/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:

4140034013FWA505FWD96SAT020

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