Gates 51421 Premium Modular Coolant Hose

The Gates 51421 is a premium modular coolant hose engineered for demanding automotive cooling system applications. Constructed from EPDM, plastic, and steel materials, this hose delivers OEM-quality performance and durability.

Key Features:

• Molded design ensures a precise, factory-fit installation
• Includes specific essential integrated OE components such as hose branches, quick-connectors, sensors, and restrictors
• Engineered with compounds which resist electrochemical degradation, the leading cause of coolant hose failure
• Temperature range: -40°C to +135°C (-40°F to +275°F)
• Meets SAE 20R3 EC Class D1 under 25mm (1") ID, SAE 20R4 EC Class D1 for 25mm (1") ID and over
• Heat and ozone resistant cover for long-lasting performance
• Re-engineered materials resist vacuum collapse

Gates Modular Radiator Hose is manufactured to fit specific applications, providing a cost-effective alternative to expensive OEM dealer parts. The EPDM construction with synthetic fiber knit reinforcement ensures reliable service in harsh operating conditions. Gates recommends replacing hose clamps when installing new coolant hoses for optimal sealing performance.