Red Line SuperCool Performance Coolant 50/50 - 1 Gallon - 4 Pack

Red Line SuperCool Performance Coolant is a pre-diluted, ready-to-use 50/50 formula that maximizes cooling-system performance, enhances heat transfer to lower operating temperatures by up to 20°F, and protects against cavitation, corrosion and erosion. Safe for cast iron, aluminum and brass, it works with any coolant color in gas or diesel engines and provides 6-year / 150,000-mile protection. Case of four 1-gallon jugs.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy