Water Pump Repair Kit - Mercruiser Sierra 18-3321

Water Pump Kit: Mc-1 1969 & Older 18-3321

For Mercruiser Mc-1 Units With Plastic Flush Screw In Gear Housing
Serial#2495186-2763441
1969 And Older
18-3321 Complete Pump Housing Kit

Kit 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) 18-3421 Water Pump Base - replaces O.E.# 46-48748A1
* (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 Hsg. Drain Screw Gasket - replaces O.E.# 12-19183
* (1) 18-2826 Water Pump Base to Gear Housing Gasket - replaces O.E.# 27-85610-1
* (1) 18-2914 Lower Water Pump to Wear Plate Gasket - replaces O.E.# 27-85608-1
* (1) 18-2915 Upper Water Pump to Wear Plate Gasket - replaces O.E.# 27-85609-1
* (1) 18-2944 Seal Ring - replaces O.E.# 26-45577
* (1) 18-3117 Plate - replaces O.E.# 32435
* (1) 18-7158 O-Ring - replaces O.E.# 25-30613
* (1) 18-7162 O-Ring - replaces O.E.# 25-33145
* (1) 18-7173 O-Ring - replaces O.E.# 25-30224
* (1) 18-7176 O-Ring - replaces O.E.# 25-90011
* (1) 18-2801 Water Pump Gasket - replaces O.E.# 27-32438
* (1) 18-7196 O-Ring - replaces O.E.# 25-38099
* (1) 18-7426 O-Ring - replaces O.E.# 35-30271