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I was having terrible trouble out of my 6.5. I would be cruising down the road and all of a sudden the truck would go from 55 to 30 in a second and would sometimes almost put me through the windshield! I called several GM mechanics and diesel garages and...
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6.5TD C/K Trucks  >  4X4 & Drivetrain Parts  >  4X4 Upgrade Actuator Motor

4x4 Upgrade Actuator for all 92-97 6.5 equipped K series P/U Trucks, Suburbans and Tahoes, and OE for all 98+

4X4 Upgrade Actuator Motor

4X4 Upgrade Actuator Motor

Model: ssd-600101 $99.99
United States and Canada - All Deliveries to the United States and Canada will be made by UPS. You will be quoted the shipping cost and presented with delivery options at the time of checkout. See our shipping calculator for more information.
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4 Wheel Drive Upgrade Actuator for all 6.5 equipped K series P/U trucks, Suburbans and Tahoes using the upgraded 5 wire actuator.

This is usually the reason why your 4 wheel drive front axle won't engauge. Some select vehicles were factory upgraded from the TLA Thermal Linear Actuator, to a Linear Motor actuator. This is the replacement for that actuator motor. Before ordering, check the harness connector on your actuator.

There is a switch located on the transfer case that supplies power to this actuator when in 4x4. Check and replace that switch also. Its p/n ssd-016 also in this category.

If a 92-97, your truck originally came with a ssd-012 or ssd-019 actuator. Please check your actuator and compare to the photos. To use this upgrade actuator, you will need adaptor/harness kit ssd-600600, ssd-6317 or ssd-6319 (depending on year and model) unless your truck has already been upgraded previously.

If you have a 98+ truck, this actuator is an exact replacement.

4X4 Upgrade Actuator Motor


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