Sierra Water Pump Impeller 18-3017

This Sierra water pump impeller fits a variety Mercury Marine / Mercruiser applications.

• Fits: MCM & outboard applications
• Uses: a brass insert
• For all #1, R, MR, Alpha Units thru S/N 0D494568
• For raw water pump on 190 IB S/N 1564539-1720903, 225 IB S/N 1539620-2278646
• Included in: Water Pump Kits 18-3251, 18-3314, 18-3316, 18-3317, 18-3319, 18-3320, 18-3321, 18-3517, 18-3217

See Sierra Catalog for Complete Application Information.

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