Mercruiser Alpha Impeller Kit | Sierra 18-3217
Includes impeller, gaskets, o-rings, grommet, wear plate, & water tube for Mercruiser #1, R, MR, & Alpha I stern drives.
- Sierra Mercruiser impeller repair kit
- For Mercruiser #1, R, MR, and Alpha I stern drives thru s/n 0D494568
- Does not include housing or base
- Replaces Mercruiser 47-89984Q5, 47-89984T5
- Replaces Mallory 9-48304
