Threaded impeller design: Ensures secure and precise fit in compatible engine blocks
Direct fit installation: Eliminates the need for additional adapters or modifications
Durable metal construction: Provides long-lasting performance in marine environments
Easy identification: Clear marking system allows quick determination of impeller type
Summarized by Shop
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