Gates 23999 Modular Coolant Hose with Quick-Connect

The Gates 23999 Modular Coolant Hose is an OEM-quality replacement hose designed for specific cooling system applications. This modular coolant hose is manufactured to OEM specifications and includes integrated components such as hose branches, quick-connectors, sensors, and restrictors. With a centerline length of 23-3/16 inches and 5/8-inch inside diameter at both ends, this pre-molded hose features one quick-connect fitting for simplified installation.

Key Features:

• Re-engineered materials resist vacuum collapse, eliminating the need for internal springs
• Engineered with compounds which resist electrochemical degradation - the leading cause of coolant hose failure
• Heat and ozone resistant cover for long-lasting durability
• EPDM tube, synthetic fiber knit reinforcement, EPDM cover construction
• 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

This premium modular hose is constructed from EPDM rubber, plastic, and steel components for reliable performance and leak-free operation. Gates recommends replacing hose clamps each time a new coolant hose is installed. Not suitable for fuel or oil transfer applications.