Sierra 18-3517 Upper Housing Water Pump Kit for Mercruiser Alpha One

For Use On Engine Models:

• Mercruiser #1 drives w/flush screw in housing. SN 2495186-2763441
• Mercruiser #1 drives w/o flush screw SN 2763442-6854392
• MR/Alpha 1 drives SN 6854393-D594568
• Most large gearcase Mercury outboard motors.

• Replaces:

• GLM
  • 12280
• Mercury
  • 46-60367A1;46-96148A5;46-96148A8; 46-78400A2; 46-69222A3; 46-73804A3; 46-73802A3; 46-64141A11; 46-603674A4; 46-32437A1; 46-58618A4;46-57234A3; 46-48747A3; 46-42579A4; 46-44292A4; 46-37433A1; 46-60367A1; 46-60367A1
• Mercruiser Stern Drive
  • 46-9614A8; 46-32437A1 
• Mallory
  • 9-48311
• Redline
  • 3517

Upper Housing Kit Includes

• 18-3109 Water Tube
• 18-3017 Impeller
• 18-3116 Upper Housing
• 18-2919 Water Pump Base Gasket
• 18-3110 Grommet
• 18-2945 Gear Housing to Screw Gasket
• 18-2826 Waterpump Base to Gear Housing Gasket
• 18-2914 Lower Water Pump to Wear Plate Gasket
• 18-2915 Upper Water Pump to Wear Plate Gasket
• 18-2944 Seal Ring
• 18-3117 Plate
• 18-7158 O-Ring
• 18-7162 O-Ring
• 18-7173 O-Ring
• 18-7176 O-Ring
• 18-2801 Water Pump Gasket
• 18-7196 O-Ring; 46-37433A1
• 18-7426 O-Ring

Kit Does not include water pump base. If you need base purchase SIE-18-3320 for Mercruiser Sterndrives; Mercury Outboard Applications see Mercury Water Pump Application Chart

Fits all Mercruiser stern drives up to92.Except GENII and Bravo.Fits higher HP MERC and Mariner Ob's. Replacement for Mercury/Mariner Outboard #46-60367A1; 46-96148A5. Upper Pump Housing Unit w/o Base.