TP-103: THREADED IMPELLER (#21)

THREADED IMPELLER (#21)

To determine if your unit uses a THREADED or KEYED impeller refer to your engine block numbers located between the oil drain bolt and oil sensor wire. The top row should look something like PLMH__14***.  If a T is before the # it is Threaded and if a K is before the # it is Keyed. Another way to determine is if the bolt holding on your impeller is silver and does not look like a 1pc casted then most likely your impeller is Keyed.