ET160 30 #1 Posted June 16, 2019 Are there different heads for the K181? I have two that are a little different (fins, combustion chamber). Are they interchangeable? Share this post Link to post Share on other sites
pfrederi 18,685 #2 Posted June 16, 2019 There were at least two different part numbers for K181 head. 4101501-s was used in most all variants Share this post Link to post Share on other sites
