Dayco 88549 Radiator Coolant Hose - Lower

Brand Dayco 88549
Position Lower
Fits Chevrolet and GMC · 16 vehicles

Direct replacement. Application-specific radiator coolant hose for lower cooling system service.

Heavy-duty fitment. Built for Silverado and Sierra HD cooling system applications.

$181.74Free shipping
In stock · usually ships same day before 1pm CST
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Order total $181.74
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator Coolant Hose Overview

Dayco 88549 is a radiator coolant hose for heavy-duty GM trucks that need a direct-fit lower hose replacement. It is built for the cooling system service needs of Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD applications.

  • Fits 2011-2014 Chevrolet Silverado 2500 HD, lower.
  • Fits 2011-2014 Chevrolet Silverado 3500 HD, lower.
  • Fits 2011-2014 GMC Sierra 2500 HD, lower.
  • Fits 2011-2014 GMC Sierra 3500 HD, lower.

Key Features

  • Direct replacement radiator coolant hose for the lower cooling circuit.
  • Application-specific fitment for heavy-duty Chevrolet and GMC trucks.
  • Dayco part number 88549 for catalog and service reference.

Detailed Description

This Dayco radiator coolant hose is intended for lower hose service on 2011-2014 Chevrolet Silverado 2500 HD and Silverado 3500 HD models, as well as 2011-2014 GMC Sierra 2500 HD and Sierra 3500 HD models. Use it when replacing a worn, cracked, or leaking coolant hose in the radiator circuit. Dayco 88549 provides a fitment-specific solution for these truck cooling system applications, making it easier to match the correct hose during repair.

Common Repair Uses

  • Coolant leakage from a deteriorated lower hose.
  • Softening, cracking, or swelling in the hose material.
  • Cooling system service after hose failure.
  • Incorrect hose fitment during replacement.

Installation Notes

Verify the vehicle year, make, model, and lower hose routing before installation. Inspect hose connections, clamps, and adjacent cooling system components for wear or damage during service. Confirm proper routing and secure all connections after installation.

Quality Assurance

Dayco is a recognized name in belts and cooling components, and part number 88549 is cataloged for the listed GM heavy-duty truck applications.

This part fits 16 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014ChevroletSilverado 2500 HD6.6LV8Lower—
2014ChevroletSilverado 3500 HD6.6LV8Lower—
2014GMCSierra 2500 HD6.6LV8Lower—
2014GMCSierra 3500 HD6.6LV8Lower—
2013ChevroletSilverado 2500 HD6.6LV8Lower—
2013ChevroletSilverado 3500 HD6.6LV8Lower—
2013GMCSierra 2500 HD6.6LV8Lower—
2013GMCSierra 3500 HD6.6LV8Lower—
2012ChevroletSilverado 2500 HD6.6LV8Lower—
2012ChevroletSilverado 3500 HD6.6LV8Lower—
2012GMCSierra 2500 HD6.6LV8Lower—
2012GMCSierra 3500 HD6.6LV8Lower—
2011ChevroletSilverado 2500 HD6.6LV8Lower—
2011ChevroletSilverado 3500 HD6.6LV8Lower—
2011GMCSierra 2500 HD6.6LV8Lower—
2011GMCSierra 3500 HD6.6LV8Lower—