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- 4WD Actuator
- 1992-1996 Suburban/Yukon
- 1988-1996 K-1500/K-2500/K3500
- 1992-1994 Blazer
- 1995-1996 Tahoe
- Includes Integrated Pig Tail
This 4WD actuator directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality.Direct replacement - this 4WD axle actuator directly replaces the original equipment part on specific vehicle years, makes and modelsEffective fix - installation addresses inoperative four-wheel drive caused by failed original actuatorSmart solution - delivers reliable fit and function for competitive priceTrustworthy quality - backed by team of designers and engineers in the United States
Typically 4WD Switches are located on the transfer case but in some cases may be found on the front axle. There are two types of designs--Vacuum or Electric powered.
4WD Switches typically send a signal to the 4WD actuator which engages the front axle. The Vacuum style fails when the unit's ability to regulate air pressure becomes compromised.
The Electric style fails when the electric signal becomes compromised due to corrosion. Both failures will not allow the front differential to engage, and the 4WD system becomes inoperable.