Skip to Content

🚚 Free Regular Shipping on orders over $200 (up to 4kg)

MERCURY 3.78 LT ANTI FREEZE (877770K1)

Mercury 3.78 lt anti freeze; provides extended life protection for closed cooling systems.

$ 68.35 $ 68.35

  • Packaging
Mercury Marine Part Number: 92 877770K 1

Mercury Engine Coolant and Water System Antifreeze

MERCURY EXTENDED LIFE COOLANT/ANTIFREEZE

92-877770K 1 - Provides extended life protection for closed cooling systems. This 5-year, 1000-hour protection is ethylene glycol based and pre-diluted 50/50 with de-ionized water. It is silicate and phosphate free and will not cause gelling. Provides freeze protection down to-34 degrees F and boiling protection to 265 degrees F. It is also compatible with conventional anti-freeze, but dilution will reduce extended life benefits



3.78 LT ANTI FREEZE

GTIN: 745061039575

WEIGHT: 4.536 kg



Note: Always verify the compatibility of replacement parts with your specific engine model and serial number. For assistance, consult your Mercury Marine dealer or refer to the Mercury Parts Catalog.