Gates 19181 Small ID Molded Coolant Hose 0.63" ID 20.7" EPDM OE Replacement

The Gates 19181 is a Small I.D. factory-molded coolant hose engineered for OEM-style fitment in today's compact, tighter engine compartments. Constructed with an EPDM tube, synthetic fiber knit reinforcement, and EPDM cover, this hose delivers the durability and performance expected from a Gates original equipment quality product.

Specifically engineered to resist electrochemical degradation (ECD) — the leading cause of coolant hose failure — the Gates 19181 maintains integrity over the long term even in demanding thermal and chemical environments. It is pre-shaped to ensure a precise, leak-free fit right out of the box.

Key Features:

• Factory-molded OEM-style design for precise fitment in smaller engine compartments
• EPDM tube with synthetic fiber knit reinforcement and EPDM cover
• Resistant to electrochemical degradation, heat, ozone, and chemical coolants
• Temperature range: -40°F to +275°F (-40°C to +135°C)
• Inside diameter: 0.63 in. (5/8 in. / 16mm)
• Centerline length: 20.7 in. (526mm)
• Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
• Approved for coolant, water, air, and marine applications
• Sold individually
• Lifetime Gates limited warranty

Note: Not intended for fuel or oil transfer applications. Gates recommends replacing hose clamps each time a new coolant hose is installed.