As a boat owner or operator, the health of your vessel’s engine is paramount. Mercruiser engines, known for their reliability and power, are no exception. One crucial aspect of maintaining an engine’s performance and longevity is its cooling system. Closed cooling systems have become the go-to solution for many Mercruiser engine owners, offering a range […]

The MerCruiser Cooling System is a vital part of your boat’s engine. It keeps the engine from overheating, ensuring optimal performance and longevity. Understanding this system is crucial for any boat owner. It helps you maintain your engine, troubleshoot issues, and make informed decisions about upgrades. In this guide, we’ll delve into the MerCruiser Cooling […]

Water pumps play a crucial role in various settings, from the fish tanks that bring life to our homes to the bilge pumps that keep our boats afloat. The longevity of your water pump, whether it’s an intricate fish tank water pump or a sturdy eco-worthy bilge pump, is essential. Here are some practical tips […]

TOPIC: Boat/Motor Winterization QUESTION: I used to own a boat equipped with a Mercury Outboard Motor which made winterization very simple. However I recently purchased a Sea Ray boat that is equipped with a MerCruiser Inboard/Outboard and Alpha Gen 2 Sterndrive. I’m looking to winterize my boat this year for the first time.  Is there a kit […]

Customer Question: Will this San Juan MC329 closed cooling kit work with the Mercruiser Bravo low water only  pickup drive at extended full speed and idling in extended  wake zone? My motors are Mercruiser 502 mag mpi twins in a Donzi step hull boat. Thank You Martin PPT Response: The Low Water Pickup (LWP) vs Dual Water Pickup (DWP) […]

Mercruiser P/N 16413A 3 and P/N 16413A 9 V6 and V8 Thermostat Housings Ordering Information Models All sterndrive, ski and inboard carbureted engines with this style thermostat housing. Situation The 2 Mercruiser thermostat housings shown below are no longer available. The casting is not available from the original supplier. P/N 16413A 3 With Check Balls […]

Do you have a Mercruiser 4.3L MPI Engine? Have you winterized it yet? This video will walk you through the steps necessary to prevent freeze damage from ruining your next boating season. Mercruiser varies from other marine manufacturers in that they offer several different draining systems on their engines. As with all boat models the […]

How to Winterize Your Marine Engine and Sterndrive PPT’s Technical Video Library offers our customers numerous step by step videos on the topic of Winterization. Many people think that winterizing their boat before the 1st freeze to mean you drain the water out of the engine and exhaust manifolds. It’s important that winterization entails draining the […]

The Mercury Mercrusier 8.1L 496 Mag marine engine was designed with winterization in mind. The engine is equipped with a Closed Cooling system as well as a drain system. Many people assume that the closed cooling system eliminated the need to winterize the engine however as you will see in this video, complete winterization covers […]