Hi there, the 4.3 V6 is a small block Chevrolet v8 with the 2 rear cylinders lopped off, so it looks just like an SBC, water pump and timing cover will look identical. It should have a block casting number at the rear where the bellhousing bolts on, probably 10168588 and some numbers and letters on the front left pad near the front of the cylinder head.
Thanks for replying, much appreciated, any doubts please see what numbers you can find on it or take some photo's, I'm very interested.
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