I have a 1999 Buick LeSabre engine 3800 series I
want to know if it will fit into a 2000 Buick LeSabre
As long as they are both 3800's, you may have to transfer a few external systems, like exhaust manifolds and maybe a few sensors but the block will fit right in.
Search Buick LeSabre Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Buick LeSabre Experts