same day shipping clock icon
free shipping box icon
price tag icon

Sierra 18-3221 Water Tube Replaces 32-860220

free shipping
List Price: $16.99
Starting At: $11.99
(You save $5.00

Out of stock

Order within and your order ships today!



Sierra 18-3221 Mercruiser Alpha Gen II Water Tube

Sierra high-quality replacement water tube for Mercruiser Alpha Gen II Cooling Systems.

Interchangeable with:

  • GLM
    • 12829
  • Mallory
    • 9-44010
  • Mercruiser Stern Drive
    • 32-860220
    • 32-814384


Mercruiser Stern Drive

  • Alpha One Gen II
    • 1998-1998
    • s/n 0L100040 & up
  • Alpha One Gen II
    • 1991-1995
    • s/n 0D469859 thru 0F679999
  • Alpha One Gen II
    • 1996-1997
    • s/n 0F680000 thru 0K999999


California Residents: warning sign WARNING Cancer and Reproductive Harm -



Other Details

Google Product Type:
Engine Parts
Product MPN:
Product UPC:

Customers Also Viewed

Sierra 18-3219 Water Tube Replaces 42724A3
List Price: $40.99
Starting At: $28.99

Sierra 18-3219 Mercruiser Water Tube & Cover Kit Sierra replacement engine parts are designed to meet OEM specifications. For Merc I and Alpha I Drives. Models: I, 1A, 1B, 1C, 1CEZ, 120, 140,...

Add to Cart
Sierra 18-3214 Impeller Kit Replaces 47-8M0100526
List Price: $43.49
Starting At: $30.49

Sierra 18-3214 Impeller Repair Kit for Mercury Sierra 18-3214 Impeller Repair Kit is a rebuild kit for Mercury Marine, Honda, and Chrysler/Force engines. Sierra aftermarket engine parts are...

Add to Cart
Huk Classic Brewster Shoe - Grey
List Price: $72.00
Starting At: $60.00

Huk Classic Brewster Shoe - Grey Wear your Huk Classic Brewster Slip On Shoes anywhere! These comfortable, casual shoes feature a slip on fit with collapsible heel so you can pop them on and get out...

Choose Options
Yamaha 6CE-45972-20-00 Saltwater Series II 15 X 21P RH
List Price: $1,016.40
Starting At: $847.00

Yamaha Saltwater Series II Propeller 15-3/4 X 13P RH 6CE-45930-20-00 Yamaha Saltwater Series II Propellers are designed for today's larger offshore boats. These stainless steel propellers...

Add to Cart