Flex Radiator Hose
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CARQUEST by Dayco Flex Radiator Hose

Part No. 81331 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 3/4 in
End 2 Inside Diameter:1 3/4 in
Heat Shield:N
Hose Type:Single I.D. Hose
Protective Sleeve Attached:N
SAE Approved:SAE J20R4 Class D-2

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2 Questions | 2 Answers
Displaying questions 1-2
  • Q:

    inside diameter of hose
    Asked on 5/3/2016 by Ron from Weeki Wachee FL.

    1 answer



      Hi Ron, I'm glad to assist you! The inside diameter of the hose is 1.75"-inch.

      Answered on 5/4/2016 by Solomon from AAP
  • Q:

    What is the I.D. of each end ( A & B )?
    Asked on 6/10/2012 by GEMS from NEWPORT, NJ

    1 answer



      The specification of this part Drive-Rite Flex Radiator Hose, Standard, Part No. 1316: Coolant Hose Length (in): 16.5, Coolant Hose Material: EPDM, Coolant Hose Type: Single I.D. (Inside Diameter), Hose End (1) Inside Diameter (in): 1.75, Hose End (1) Outside Diameter (in): 2.13, Hose End (2) Inside Diameter (in): 1.75, Hose End (2) Outside Diameter (in): 2.13, ,Maximum Working Pressure (psi): 36.66.
      For compatibility of this part with your vehicle, please provide your vehicle make, model and engine specification.
      For any further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and our representatives would be more than happy to assist you.

      Answered on 6/12/2012 by Aaron from AAP
Displaying questions 1-2

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