Sierra Impeller for Mercruiser Stern Drive/ Mercury Marine/ Chrysler/ Force/ US Marine Engines • 18-3017

• For Use On All #1, R, MR, and Alpha units thru S/N D494568. 
• 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