If you're looking for advice on how to winterize your boat and engine, check our Top Winterizing Tips (pdf) to help you get started. Defender stocks a variety of products, from antifreeze, oil changing kits and fuel additives, to boat stands, cabin heaters, boat covers, shrink wrap and more for winterizing a boat of any size and style.
We stock winterization kits to help you protect your onboard plumbing, such as potable water supplies, waste water systems, raw water cooling systems and more. In addition, we carry a wide variety of items to help control moisture and condensation in the boat cabin to dehumidify and prevent mold and mildew.
Defender also carries an assortment of products to help you flush and winterize your outboard, inboard, or inboard/outboard (I/O) engine, including oil changers, engine flush systems, fogging oils and fuel stabilizers.
Use our Winterizing Checklist to ensure that you get all of the products you need to winterize your boat. Each of the winterizing check list items links you directly to a full selection of winterizing products for your boat.