Gates 51812 Premium Modular Coolant Hose

The Gates 51812 Premium Modular Coolant Hose is a precision-engineered replacement hose designed to meet OEM specifications for automotive cooling systems. This molded coolant hose features a 22-inch centerline length with integrated branches and is built to deliver reliable, long-lasting performance in demanding engine environments.

Superior Construction:

• EPDM rubber tube with synthetic fiber knit reinforcement for exceptional durability
• Heat-, ozone-, and chemical coolant-resistant EPDM cover protects against environmental damage
• Pre-shaped design ensures proper fit and perfectly sealed conditions
• End 1 and End 2 inside diameter: 1-5/16 inches (34mm)
• End 3 inside diameter: 9/16 inch (15mm)
• Centerline length: 22 inches (559mm)

Advanced Engineering Features:

• Engineered to resist electrochemical degradation (ECD), the leading cause of coolant hose failure
• Specifically-engineered materials resist collapse under vacuum conditions
• Meets SAE 20R4 Class D2 and DIN 73411 Class A specifications (except for tolerances)
• Temperature range: -40°F to +257°F (-40°C to +125°C)

As part of Gates' comprehensive modular coolant hose line, this hose is manufactured to include essential integrated OE components similar to original equipment specifications. Gates modular coolant hoses save time and money compared to OE dealer replacements while maintaining the quality and reliability your vehicle demands. Gates recommends replacing hose clamps each time a new coolant hose is installed for optimal performance.