Standard Ignition TCA106 4WD Actuator

OE-Style 4WD Actuator for Toyota Trucks and SUVs

Standard Ignition TCA106 is a direct-fit 4WD actuator built for Toyota driveline applications that need precise mechanical and electrical switching. It is engineered for proper fit, form, and function on select Toyota Sequoia, Tundra, Tacoma, and 4Runner models.

With a female rectangular connector, 6 male blade terminals, and OE-style construction, this TCA106 4WD actuator is made for service work where accurate engagement and dependable signal transfer matter.

Key Features

• Direct-fit OE replacement for select Toyota 4WD systems
• Female connector with rectangular shape for application-specific fit
• 6 male blade terminals for electrical interface matching
• 100% tested for mechanical and electrical switching performance
• Built with durable materials for professional repair use
• Standard Ignition TCA106 cross-references 4140034013 and FWA505 for the same application

Detailed Description

Standard Ignition TCA106 is a 4WD actuator designed for Toyota driveline and axle service where the factory unit has failed or is no longer switching correctly. The actuator is manufactured as an OE replacement and tested to verify both mechanical movement and electrical switching, helping restore proper 4WD operation on vehicles such as the Toyota Sequoia, Toyota Tundra, Toyota Tacoma, and Toyota 4Runner. The TCA106 part number is a practical choice for technicians replacing a worn or malfunctioning actuator in the transfer case or front axle control system.

Compatible With 2001-2006 Toyota Sequoia, 2000-2005 Toyota Tundra, 2001-2004 Toyota Tacoma, and 2001-2002 Toyota 4Runner. Also fits 2007 Toyota Sequoia, to 11/07, and 2006 Toyota Tundra, to 11/06.

Common Problems This Part Can Address

• 4WD system not engaging when selected
• Intermittent or inconsistent front axle engagement
• Electrical switching faults in the actuator circuit
• Mechanical binding or failure inside the actuator assembly
• Warning lights or driveline symptoms tied to actuator malfunction

Installation Notes and Tips

Verify connector style, terminal count, and vehicle build date before installation. This actuator uses one female rectangular connector with 6 male blade terminals, so matching the original electrical interface is important for proper operation. Confirm the application against the vehicle’s 4WD system configuration and inspect related wiring, connectors, and transfer case components during service.

Quality Assurance

Standard Ignition states that this actuator undergoes 100% testing for mechanical and electrical switching performance. The design and material selection are intended to meet the demands of professional repair environments while maintaining OE-style fit and function.