Winterizing your marine engine isn’t just seasonal maintenance — it’s essential protection. As temperatures drop, leftover water, untreated fuel, and old oil can cause freezing, corrosion, and costly damage.

Our full guide walks you through how to:

• Flush and protect your cooling system with marine antifreeze

• Stabilize fuel and prevent ethanol separation

• Fog the engine to guard against corrosion

• Drain and inspect the lower unit

• Store your boat safely for the off-season

Winterization ensures your engine runs smoothly come spring and saves you from expensive repairs.

Upgrading your Mercury Verado power steering system? This guide explains how to identify your existing Gen B pump and upgrade to the newer, more reliable Gen C version. It walks you through every step — from determining your pump generation to choosing the correct conversion kits, wiring harnesses, and power switch. You’ll also find direct links to order all the required Mercury parts on parts.promarineusa.com, along with clear diagrams and part numbers for easy installation. Whether you’re running a single engine or multiple outboards, this article ensures your Verado steering setup runs at peak performance.

If you own a Mercury Marine engine or are considering one, chances are you’ve heard the term SmartCraft®. But what exactly is it, and why is it important for your boating experience? In this article, we’ll break down what Mercury SmartCraft is, how it works, and why it’s a game-changer for boaters worldwide.

Whether repowering or just trying to get the most out of your boat, propeller choice is huge!   

Knowing the difference between Cavitation and Ventilation can make all the difference in prop selection.

Outboard, Inboard, or Personal watercraft it doesn't matter what moves you, properly flushing your engine after saltwater use is incredibly important.  

A properly flushed motor can extend the life of your engine exponentially.  Here you'll find some tricks to properly flushing your motor as well as some helpful tools that will ensure a proper flush everytime!