Mercury Marine Water System Antifreeze -46°C 1 Gallon - Marine Engine Winterizing Protection, 8M0073201

The Mercury Marine Water System Antifreeze -46°C (1 Gallon) is a high-quality winterizing solution designed to protect marine engines and onboard water systems from freezing temperatures and corrosion. Engineered for reliable cold-weather protection, this antifreeze helps prevent cracking, internal damage, and corrosion during off-season storage. It is an essential product for proper boat winterization and one of the best antifreeze solutions for marine engine protection in moderate cold climates.

Formulated for use in marine engines, cooling systems, and onboard water systems, this antifreeze provides dependable freeze protection down to -46°C. Ideal for winterizing outboard engines, sterndrives, inboards, and marine plumbing systems, it helps protect internal components from freeze damage and corrosion buildup.

Perfect for seasonal maintenance, this antifreeze is widely used to prepare boats for storage during colder months while ensuring system longevity and performance.

Features:

• Non-toxic, virgin propylene glycol (30% blend) formula
• Provides -50 F (-46 C) freeze burst protection and 12 F to 16 F (-11 C to -8 C) freeze protection
• Prevents corrosion of aluminum, copper, brass and solder in systems
• Will not harm rubber seals or hose materials
• Ready-to-use formula - do not dilute
• Mercury oils, lubricants and engine care products are backed by decades of experience in engineering, testing and manufacturing to provide the best protection and performance.

Compatible with:

• Mercury outboard engines
• MerCruiser sterndrive and inboard engines
• Marine cooling systems and onboard water systems
• Suitable for boats, PWCs, and marine plumbing systems requiring antifreeze protection

Specifications:

Brand: Mercury Marine
Part Number: 8M0073201
Product Type: Marine Antifreeze
Freeze Protection: -46°C
Application: Engine cooling systems and water systems
Volume: 1 Gallon (3.78 Liters)

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