Continental 66657 Radiator Coolant Hose - Lower

Brand Continental 66657
Position Lower
Hose 1 Inside Diameter 1.310
Hose 1 Length 23.500
End 2 Hose Inside Diameter 1.310
Product line Molded
Fits Hyundai · 13 vehicles

OE-style fit. Exact OEM configuration helps match the original hose shape and routing.

EPDM construction. Tube and cover materials are built for coolant-system service.

Reinforced design. Synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 specifications.

Cross-references 254153M100 and B007Q1VL7W for the same application. See all 2.

$32.79Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $32.79
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

This Continental Molded radiator coolant hose transfers glycol-based coolant through the cooling system with an exact OEM configuration for fit accuracy. It is built with an EPDM tube and cover plus synthetic reinforcement that meets or exceeds SAE 20R4EC Class D1 specifications. Part number 66657 is a direct replacement for the specified lower hose applications.

Key Features

  • EPDM tube and cover for coolant-system service
  • Synthetic reinforcement meets or exceeds SAE 20R4EC Class D1 requirements
  • Exact OEM configuration for consistent fit
  • Molded hose design for the correct routing shape
  • 1.310-inch inside diameter at both ends
  • 23.500-inch hose length

Fitment Details

Compatible with lower hose applications on 2011-2016 Hyundai Equus and 2009-2014 Hyundai Genesis. Fits 2011-2016 Hyundai Equus, lower. Fits 2009-2014 Hyundai Genesis, lower. Part number 66657 is listed for these molded lower radiator coolant hose applications.

What It Is Used For

  • Replacing a leaking or cracked radiator coolant hose
  • Restoring coolant flow through the cooling system
  • Addressing hose swelling, soft spots, or heat-related deterioration
  • Correcting fit issues caused by a damaged molded hose

Installation Notes and Tips

Verify hose routing, end diameters, and molded shape against the removed part before installation. Confirm the lower hose application and match the vehicle listing to the existing cooling-system layout. Part number 66657 should be checked against the original hose configuration before service.

Quality Assurance

Continental Molded hoses are built to OE-style configuration standards, and the material construction is specified to meet or exceed SAE 20R4EC Class D1 requirements.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2016HyundaiEquus5.0LV8LowerMolded
2015HyundaiEquus5.0LV8LowerMolded
2014HyundaiEquus5.0LV8LowerMolded
2014HyundaiGenesis5.0LV8LowerMolded
2013HyundaiEquus5.0LV8LowerMolded
2013HyundaiGenesis5.0LV8LowerMolded
2012HyundaiEquus5.0LV8LowerMolded
2012HyundaiGenesis4.6LV8LowerMolded
2012HyundaiGenesis5.0LV8LowerMolded
2011HyundaiEquus4.6LV8LowerMolded
2011HyundaiGenesis4.6LV8LowerMolded
2010HyundaiGenesis4.6LV8LowerMolded
2009HyundaiGenesis4.6LV8LowerMolded
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
254153M100B007Q1VL7W