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- MAXIMUM INTERNAL PROTECTION: Woody Wax Engine Flush is specifically engineered to protect and lubricate internal cooling systems from the devastating effects of salt water corrosion.
- DISSOLVES HARSH DEPOSITS: This powerful formula effectively dissolves salt, scale, and mineral deposits that can clog your cooling system and lead to overheating.
- LUBRICATES CRITICAL COMPONENTS: Beyond cleaning, it provides essential lubrication for water pumps, thermostats, and internal cooling components to keep them working like new.
- PREVENTS ENGINE FAILURE: Since 70% of saltwater engine failures are linked to corrosion and cooling issues, this monthly treatment is a proven way to eliminate internal engine corrosion and extend motor life.
- ECONOMICAL 16 & 32 OZ PACK: This marine engine flush serves as a convenient refill for your injector kit; use just one ounce for 1-4 cylinder engines or two ounces for 6-8 cylinder engines for complete protection.
Pairs well with
Ships within 1–2 business days
Removes salt, dirt & buildup
Built for long-lasting marine performance
Complimentary shipping & returns

Engine Flush Refill - Internal Cooling System Treatment
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Long-Lasting Protection
Shields against UV, salt, and environmental damage
Restores Shine
Brings dull, weathered surfaces back to life
Repels Dirt & Grime
Prevents buildup for easier cleaning
Saves Time
Cuts hours of maintenance down to minutes

One solution. Multiple surfaces.
Works effectively on aluminum, stainless steel, fiberglass, gel coat, and non-skid decks—ideal for towers, rails, and exposed areas that need reliable protection.


