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well ever thing will swap over besides the top/shell, the doors, the seats are completely different mounting, door skins are different, every thing from frame down is the same if were talking about the same models, the 78 will have the np203 and the 73 will have the np205 transfer case, both came with sm465 4 speeds or the turbo 350 automatic trans. the front end on the 78 can be ether the gm 10 bolt or the Dana 44. on the 73 it is only the Dana 44. the rear end will either be a gm 10 bolt or a gm 12 bolt in the 78 and in the 73 it will only have the gm 12 bolt rear end. dash stuff will swap, the whole front clip will swap over, some a/c parts will swap, but is mostly a tad different. the grills can swap but they are different, the tail gates and bumpers are the same.

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13y ago
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Q: Does 1978 K5 blazer parts fit 1973 k5 blazer?
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