MERCRUISER INBOARDS represent the industry's best when it comes to delivering reliable, long-lasting and easy-to-own power. From our Horizon petrol inboards to our Mercury Diesel products. MerCruiser inboards are built using the highest-quality materials such as stainless steel, the most reliable systems such as closed-cooling for added corosion protection and the best warranty coverage on the water. All to make your ownership experience enjoyable, simple and worry-free.