Product Description
This seal kit is used to replace the seal on your Mercruiser Alpha I Gen II stern drive unit. The new Sierra seal is designed to equal or surpass the performance and longevity of the original equipment component it replaces.
Interchangeable with:
-  GLM 
-  87501 
-  Mallory 
-  9-74302 
-  Mercruiser Stern Drive 
-  26-88397A1 
Application:
-  Mercruiser Stern Drive 
-  Alpha One Gen II 
-  1991-1995 
-  0D469859 thru 0F679999 
-  Alpha One Gen II 
-  1996-1997 
-  0F680000 thru 0K999999 
-  Alpha One Gen II 
-  1998 
-  0L100040 & up 
Kit includes:
-  (1) Oil Seal 18-2003 
-  (2) Oil Seal 18-2056 
-  (1) Check Valve Kit 18-2715 
-  (1) Seal Ring Gasket 18-2944 
-  (1) Drain Screw Gasket 18-2945 
-  (1) Double Lip Seal 18-3289 
-  (2) 18-7103 O-Ring 
-  (1) 18-7117 O-Ring 
-  (1) 18-7161 O-Ring 
-  (1) 18-7169 O-Ring 
-  (1) 18-7188 O-Ring 
-  (2) 18-7420 O-Ring 
Key features:
-  Alpha I Generation II 
-  Sierra's industry-leading customer satisfaction warranty applies to and covers all Sierra components. 
Specifications:
-  Manufacturer: Sierra 
-  Brand: SeaStar Solutions 
-  Model: 18-2644 
-  Product Dimensions: 8 x 6 x 4 inches 
-  Item model number: 18-2644 
-  Exterior: ?Machined 
-  Manufacturer Part Number: 182644 
-  OEM Part Number: ?MERCURY MARINE 26-88397A1 
-  Lift Type: ?MOTOR 
-  SKU: 18-2644 
-  UPC: 030999875211 
-  Weight: 0.19 LBS 
-  Alternate Products SKU: "92-87501", "26-03807", "88397A1", "REC26-88397A1", "18-2644" 
-  Manufacturer Part Number (MPN): 118-2644 
For: Alpha I Gen II
This product replaces:
- 47-2644, GLM87501, AP3807, 92-87501, 30999875211, 9-74302
 
             
                     
           
           
          