URO GRH509 Radiator Coolant Hose - Upper
OE Quality 60-Day Returns
URO

URO GRH509 Radiator Coolant Hose - Upper

Brand URO GRH509
Position Upper
Fits —

OE fitment. Precision-molded to OE dimensions and shape for easy installation.

Heat resistant. Built to handle engine heat and ozone exposure.

ECD-resistant EPDM. Helps resist electrolysis from breaking down the rubber.

Cross-references URO GRH509 and URO-005951 for the same application. See all 2.

$16.87Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Radiator Coolant Hose for OE-Style Cooling Repair

The URO GRH509 radiator coolant hose is a direct-fit replacement built to match OE dimensions and shape for straightforward installation. It is made from EPDM material that resists engine heat, ozone, and electrochemical degradation, helping maintain cooling system integrity in demanding conditions.

  • Precision-molded to OE dimensions and shape
  • EPDM construction resists electrolysis-related rubber breakdown
  • Heat- and ozone-resistant for cooling system service
  • Temperature rated from -40°F to 275°F (-40°C to 135°C)
  • 24-month, unlimited mileage warranty
  • Guaranteed fitment

Fitment and Application

Compatible with vehicle-specific cooling system service where the original radiator coolant hose has cracked, softened, or begun to leak. This part cross-references URO (e.g., URO-005951) for the same application. URO GRH509 is the part number to verify when ordering a replacement radiator coolant hose for OE-style repair.

Common Problems This Hose Can Address

  • Coolant seepage at a worn hose section
  • Cracking from heat cycling and age
  • Swelling or softening from coolant exposure
  • Loss of cooling system pressure
  • Fitment issues caused by a distorted original hose

Installation Notes

Inspect hose routing, clamps, and adjoining coolant fittings before installation. Drain coolant as needed, transfer the hose along the original path, and confirm the hose seats fully on the radiator and engine connections. After installation, refill and bleed the cooling system according to the vehicle service procedure and check for leaks at operating temperature.

Quality Assurance

URO GRH509 includes a 24-month unlimited mileage warranty. The hose is engineered for guaranteed fitment and molded to OE dimensions to support a proper replacement on the intended application.

Related reading

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
URO — GRH509URO-005951