Would a 4.3 motor from a full size truck fit a Sonoma?

[jennyrockstar]

Would a 4.3 motor from a full size truck fit a Sonoma?

 

[Molson02536]

Would a 4.3 motor from a full size truck fit a Sonoma?

It will but what year?? There are slight differences in the 4.3 vortec between the two engines, but can be installed with changing a few accessory's and exhaust manifold.