Dreyoo 10 ft 5/8" EPDM Heater Hose with 4 Clamps — High-Temp, Flexible Coolant Line

The Dreyoo 10-foot 5/8" EPDM heater hose is a flexible, high-temperature coolant line designed for heater cores, radiator connections and general engine cooling system routing.

This heavy-duty hose is engineered from premium EPDM rubber to resist heat, ozone and aging while carrying coolant, antifreeze and water through cars, trucks, SUVs and light equipment. Supplied as a 10-foot roll with four hose clamps, it’s cut-to-fit for custom routing and replacement jobs. The hose’s working and burst pressure ratings plus wide temperature tolerance make it a reliable replacement for heater lines, radiator overflow runs and similar coolant duties.

How does this hose stand up to heat and chemicals?

The Dreyoo heater hose uses EPDM compound selected for automotive coolant service, offering stable performance across typical engine temperatures and exposure to common fluids. It resists environmental aging and weak acids/alkalis (≤25%), helping maintain integrity over time.

• Material: premium EPDM rubber formulated for heat and ozone resistance
• Temperature range: -22°F to 248°F for cold starts and hot operation
• Fluid compatibility: coolant, antifreeze, hot water, air and common automotive fluids
• Resistance: ozone and environmental aging for longer service life

Will it fit my car’s heater and radiator ports?

This product is a straight, cut-to-length 5/8" inner diameter hose intended to replace or extend heater lines and similar 16 mm ports. Because it ships as a 10-foot roll, you can trim it to the exact length and shape needed for most passenger vehicles and light trucks.

• Inner diameter: 5/8 inch (≈16 mm) for common heater connections
• Outer diameter: ≈0.94 inch (≈24 mm) for clamp compatibility
• Length: 10 feet of hose—cut to required lengths on site
• Includes: four hose clamps to secure connections at installation points

What about pressure and durability — is it safe for engine systems?

The hose is rated for typical low-pressure cooling circuits and daily driving stresses. With a working pressure up to 35 PSI and a burst pressure near 106.7 PSI, it is suitable for heater hoses and many radiator return lines that operate well below burst values.

• Working pressure: 35 PSI suited to heater cores and low-pressure lines
• Burst pressure: approximately 106.7 PSI for safety margin during spikes
• Flexible and kink-resistant for tight engine bays and complex routing
• Durability features: crack and deformation resistance in fluctuating temperatures

How easy is it to install and maintain?

Installation is straightforward: cut the roll to length, slide on a clamp, fit over the nipple and tighten. The hose’s flexibility simplifies routing around brackets and components, and periodic visual checks for wear and clamp tightness are typically all that’s required.

• Cut-to-fit roll simplifies custom installations and repairs
• Four included clamps help secure connections right away
• Flexible yet robust — reduces need for multiple small hose sections
• Maintenance: inspect clamps and hose surface for cracking or leaks periodically

Who is this for: mechanics, DIY enthusiasts and fleet or equipment owners who need a dependable replacement or extension for heater and low-pressure coolant lines. It’s particularly useful for those who prefer a single long length to trim for multiple connection points, or who require an EPDM hose that balances flexibility, chemical resistance and temperature tolerance for routine automotive cooling system work.