Gates 12337 Premium Molded Heater Hose

The Gates 12337 is a premium molded heater hose designed to deliver reliable performance in your vehicle's cooling system. This factory-molded, OEM-style hose is specifically engineered to fit the compact, tight spaces found in modern engine compartments, making it an ideal replacement for original equipment heater hoses.

Key Features:

• EPDM tube construction with synthetic fiber knit reinforcement and EPDM cover for maximum durability
• Engineered to resist electrochemical degradation, the primary cause of coolant hose failure
• Wide temperature range: -40°F to 275°F (-40°C to 135°C) for reliable performance in extreme conditions
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications for quality assurance
• Suitable for coolant, water, and air applications, including marine use
• Factory-molded design ensures proper fit and eliminates coolant leaks

This heater hose is not suitable for fuel or oil transfer applications. Gates recommends replacing hose clamps whenever installing a new coolant hose to prevent leaks and ensure a secure connection. Trust Gates' century of engineering excellence for your cooling system needs.