Mercruiser Pump Kit MR Alpha 1 Sierra 18-3320 18-7977 - Made in the USA

- Made in the USA for quality assurance

Dog Clutches

Includes a carb bushing kit to maximize cable to linkage efficiency

Thread: 1" BSP

Water is collected in a clear glass base and drained via a screw in plug

Mercruiser Pump Kit MR Alpha 1 Sierra 18-3320 18-7977 - Made in the USAKit Contains: (1) 18 3109 Water Tube replaces O. E.# 23 29804(1) 18 3017 Impeller replaces O. E.# 47 89984(1) 18 3116 Housing replaces O. E.# 46 96148A1(1) 18 3420 Water Pump Base replaces O. E.# 46 44292A3(1) 18 2919 Water Pump Base to Gear Housing Gasket replaces O. E.# 27 42631 1(1)18 3110 Grommet replaces O. E.# 26 38970 (2) 18 2945 Gear Housing Drain Screw Gasket replaces O. E.# 12 19183(1) 18 2826 Water Pump Base to Gear Housing Gasket replaces