water pump
#2
Yes, it should fit. They don't make the LS1 WP anymore, so I think they sell the LS2's as a replacement. Ask the dealer.
The only difference is that the t-stat housing is different on the LS2.
The only difference is that the t-stat housing is different on the LS2.
#4
The LS2 T-stat is completely separate from the huosing itself (2 parts).