Standard Ignition 4WD Actuator P/N:TCA-34
Standard Motor Products
Standard Ignition TCA-22 4WD actuator for the 1999-2013 Chevrolet Silverado 1500 and other vehicles handles the shifting that engages and releases four-wheel drive.
Four-wheel drive that won't engage or release when you select it can mean the actuator has worn out. A blown fuse, damaged wiring or the transfer case can be behind these signs too, so find the cause before you buy a new actuator.
The vehicles it fits include the 1999-2013 GMC Sierra 1500 and the 1998-2014 Chevrolet Tahoe, along with a wide range of other Chevrolet, GMC and Cadillac models. If your vehicle isn't named here, look for it in the "Vehicles it fits" section.
Fit and size
Build and materials
One 4WD actuator; each vehicle takes one.
Product information is for general reference and may contain errors. See our Disclaimer.
Will this Chevy Silverado 1500 4WD actuator work on a 1999-2013 truck?
Yes. Standard Ignition TCA-22 is listed for the 1999-2013 Chevrolet Silverado 1500. For another vehicle, look it up in the "Vehicles it fits" section.
Is the TCA-22 the Chevy Tahoe 4WD actuator for 1998-2014 models?
Yes. Standard Ignition TCA-22 is listed for the 1998-2014 Chevrolet Tahoe.
What kind of connector does this 4WD actuator have?
It has one rectangular female connector with five male pin terminals.
Is the TCA-22 sold as a single 4WD actuator?
Yes. This listing is one 4WD actuator, and each vehicle takes one.
How do I know if this 4WD actuator is going bad?
Signs can include four-wheel drive that won't engage or won't release when you select it. A shop can test the actuator and its wiring.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.