HomeBelts and Cooling > Hoses and PipesDayco 71933 Radiator Coolant Hose - Upper
Part #: 71933

Dayco 71933 Radiator Coolant Hose - Upper

Curved Radiator Hose, Upper
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$29.88Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Upper
Fitment: Jeep, TJ and Wrangler
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dayco Curved Radiator Hose 71933

The Dayco Curved Radiator Hose 71933 is designed specifically for Jeep TJ and Wrangler models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Black color for standard OEM appearance
  • Dual inside diameter hose with 1 7/32 inch and 1 15/32 inch ends
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 9 1/2 inches for proper routing and fitment
  • Compatible with Jeep TJ and Wrangler models

Detailed Product Description

The Dayco Curved Radiator Hose 71933 is engineered to meet the cooling system demands of Jeep TJ and Wrangler vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, ensuring durability under harsh engine conditions. The hose features a dual inside diameter design, with one end measuring 1 7/32 inches and the other 1 15/32 inches, allowing for a secure and leak-free connection between radiator components. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design that meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards for coolant hoses.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line from Dayco is tailored to provide precise fitment and reliable coolant flow for specific vehicle applications. This product line emphasizes quality materials and adherence to SAE specifications, ensuring compatibility and performance in demanding automotive cooling systems. The 71933 hose exemplifies this approach by offering a dual inside diameter design and EPDM construction suited for Jeep TJ and Wrangler models.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Jeep TJ and Wrangler
  • Resolving coolant leaks caused by hose degradation or improper fit
  • Maintaining optimal engine temperature by ensuring proper coolant flow
  • Preventing overheating issues related to faulty radiator hose connections
  • Upgrading OEM hoses with a durable, specification-compliant replacement

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71933, ensure the hose is routed correctly to avoid kinks or contact with moving parts. Verify that the dual inside diameter ends match the radiator and engine fittings for a secure seal. Use appropriate clamps tightened to manufacturer specifications to prevent leaks. Inspect the cooling system for any additional wear or damage during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71933 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and construction provide resistance to heat and chemicals commonly found in automotive cooling systems. Warranty information should be confirmed with the distributor or manufacturer, as it may vary by region.

BrandDayco
Part Number71933
PositionCurved Radiator Hose, Upper
ColorBlack
End 1 Inside Diameter1 7/32
End 2 Inside Diameter1 15/32
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height9 1/2

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006JeepTJ4.0LL6UpperCurved Radiator Hose
2006JeepWrangler4.0LL6UpperCurved Radiator Hose
2005JeepTJ4.0LL6UpperCurved Radiator Hose
2005JeepWrangler4.0LL6UpperCurved Radiator Hose
2004JeepTJ4.0LL6UpperCurved Radiator Hose
2004JeepWrangler4.0LL6UpperCurved Radiator Hose
2003JeepTJ4.0LL6UpperCurved Radiator Hose
2003JeepWrangler4.0LL6UpperCurved Radiator Hose
2002JeepTJ4.0LL6UpperCurved Radiator Hose
2002JeepWrangler4.0LL6UpperCurved Radiator Hose
2001JeepTJ4.0LL6UpperCurved Radiator Hose
2001JeepWrangler4.0LL6UpperCurved Radiator Hose
2000JeepTJ4.0LL6UpperCurved Radiator Hose
2000JeepWrangler4.0LL6UpperCurved Radiator Hose
1999JeepTJ4.0LL6UpperCurved Radiator Hose
1999JeepWrangler4.0LL6UpperCurved Radiator Hose
1998JeepTJ4.0LL6UpperCurved Radiator Hose
1998JeepWrangler4.0LL6UpperCurved Radiator Hose
1997JeepTJ4.0LL6UpperCurved Radiator Hose
1997JeepWrangler4.0LL6UpperCurved Radiator Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

20303S20472S

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.