steering

Are the power steering pumps interchangeable i.e. can a k24 pump be used on a k20 or k20 pump on k24? I referenced the part numbers and they are different, but that doesn't mean they aren't interchangeable.

SOLD . . . . . . . . . . . . . . . . . . . . . . . For Sale: Nardi Classic Steering Wheel (330mm), black leather with black spokes - excellent condition w/ original box. No scratches, no blemishes, no wear, no fading. The car is garaged at home and underground at work, so the wheel has not...