One spark plug boot, this is used on many applications 2020 and older, if you are unsure on fitment, please contact us.

For use on 4339 NGK spark plugs with a removable cap, this boot attaches to the threaded style spark plug.

Part number 420265248

Replaces 710000041 and 420265240

Easy to replace. Just unscrew your old one and screw on your new one.