Mercruiser Drive Impeller | Sierra 18-3017
Mercruiser Drive Impeller | Sierra 18-3017
Aftermarket direct replacement impeller fits Mercruiser #1, MR, R, and Alpha 1 marine engines thru serial number D494568 as well as many Mercury outboards.
- Sierra Mercury impeller kit
- Fits Mercruiser #1, R, MR, and Alpha 1 units thru s/n D494568
- 2 11/32 in. diameter x 1 19/64 in. width x 7/8 in. keyed shaft
- Replaces Mercury 47-89984, 47-89984T4, 47-30221, and 47-65960
- Replaces Chrysler/Force 47-803631T, 47-F694065, and 47-89984T4
- Replaces OMC/Johnson/Evinrude 775460
- Replaces Mallory 9-4530
