Coolant/Antifreeze, 50/50 Extended Life Pre-Mixed, 1 Gal (3.78L)

$11.75
Coolant/Antifreeze, 50/50 Extended Life Pre-Mixed, 1 Gal (3.78L)
SKU: 494229
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Mfg# 18-9300
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LFS# SIE189300
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UNIT: Each
Out of stock - Typically Available in 3 - 6 Weeks

Sierra Extended Life Coolant/Antifreeze delivers year-round protection against freezing and boil-over in your boat's water-cooled marine engine. Sierra's 50/50 pre-mix comes ready to use in a formula that provides the highest protection for all thermal conditions.

  • Year-round protection against freezing and boil-over in water-cooled marine engines
  • Protects for up to 2,500 hours or 5 years depending on operating conditions
  • Hybrid, nitrated (HOAT/NOAT┬╣) formula uses ethylene glycol base compatible with all other coolants
  • 50/50 pre-mixed with de-ionized water
  • Provides excellent metal protection and cavitation protection capabilities
  • Replaces Mercury Marine 92-877770K1 and others
Do Not Dilute

┬╣ Nitrated Organic Acid Technology

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Question: How do I find engine parts for my boat's motor?

Answer: Use our SONAR engine parts finder tool. You can search by engine make, model, year or OEM part number. If you still can't find what you are looking for, give us a call 1-800-998-9508
Read the Sierra Warranty

Returns are available within 30 days from the date you receive your order and items must be in new, resalable condition, in the manufacturer's original packaging. See Details