Sierra 18-3017 Water Pump Impeller Replaces 47-89984T3
Sierra 18-3017 Water Pump Impeller for Mercury
Sierra replacement water pump impeller for Mercury and Mercruiser engines. This impeller fits MCM and outboard applications. All Sierra engine parts are manufactured to meet or exceed OEM requirements.
For Use On All #1, R, MR, and Alpha units thru S/N D494568. Sierra
Also For Raw Water Pump On 190 IB S/N 1564539-1720903 & 225 IB S/N 1539620-2278646
Fits MCM & outboard applications
Uses a brass insert
Interchangeable with:
Mercruiser Stern Drive
47-89984T3
47-89984T4
47-30221
47-65960
47-65960
Mallory
9-45306
Mercury Marine
47-89984T4
47-30221
47-65960
4789984
47-899844
47-899842
47-85460
47-89984T3
Chrysler/Force/US Marine
47-803631T
47-F694065
GLM
89840
Pro Marine
89984
Redline
RL3017