Steering Gear Coupling Shaft
The intermediate steering shaft connects the steering column shaft to the steering gear box input shaft. When you turn your steering wheel, the steering column shaft turns with it. The steering column shaft, in turn, spins the intermediate steering shaft, which spins the steering gear box input shaft. That moves the steering gear, whether you have rack and pinion steering or recirculating ball steering, to move the tie rods, turn the wheels, and steer the vehicle.
The intermediate steering shaft is a simple part, but it plays an important role. The shaft is just that, a metal rod. In many cases it comes with universal joints—called steering couplers—at either end. These connect the shaft to the steering column shaft and the steering gearbox input shaft, allowing them to join at an angle. That means that the shafts don’t have to be aligned in a perfectly straight line. If they do line up straight, they will be connected with a rubber disc called a rag-joint, rather than a universal joint.
GM Part Number: 25873103
Suitable for Chevrolette and GMC vehicles ranging from 2011 - 2014
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