Flex Radiator Hose
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CARQUEST by Dayco Flex Radiator Hose

Part No. 81171 Warranty Details  

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Precision molded in standard lengths, Dayco’s Flex Radiator Hose is designed to replace straight or molded radiator hoses. This Flex Radiator Hose is another Dayco product proudly made in the USA. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • The knitted reinforcement and synthetic EPDM construction meets SAE J20R4, Class D-2 requirements
  • Resists ozone and other detrimental environmental elements, coolants, and temperature variations of -40°F (-40°C) to +257°F (+125°C)
  • The corrugations provide excellent hose flexibility without flattening or collapse
  • This hose is designed to prevent splitting, ballooning, and elongation
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End 1 Inside Diameter:1 1/2 in
End 1 Outside Diameter:1 7/8
End 2 Inside Diameter:1 1/2 in
End 2 Outside Diameter:1 7/8
Heat Shield:N
Hose Type:Single I.D. Hose
Protective Sleeve Attached:N
SAE Approved:SAE J20R4 Class D-2


by PowerReviews
CARQUEST by DaycoFlex Radiator Hose

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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from Tennessee

About Me Auto Enthusiast, Competitive Driver, Mechanic, Truck Enthusiast

Verified Buyer


  • None


  • Very Poor Quality

Best Uses

  • None

Comments about CARQUEST by Dayco Flex Radiator Hose:

Cheap made product wouldn't buy another again. Spring inside to make flexible fell out now its trash.

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