HomeBelts and Cooling > Hoses and PipesDayco 71657 Radiator Coolant Hose - Lower or Upper
Part #: 71657

Dayco 71657 Radiator Coolant Hose - Lower or Upper

Curved Radiator Hose, Lower
25 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.09Free 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, Lower
Fitment: Toyota, Mitsubishi, Pontiac, Hyundai, Mercury, Nissan, and Volkswagen, Solara, Outlander, Camry, GTO, Accent, Villager, Quest, Jetta, and Golf
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 71657

The Dayco Curved Radiator Hose 71657 is designed to provide reliable coolant flow for various vehicle models including Hyundai Accent, Toyota Camry, and Volkswagen Golf. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Single inside diameter hose with 1 21/64 inches at both ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with multiple makes and models including Nissan Quest and Mitsubishi Outlander

Detailed Product Description

The Dayco Curved Radiator Hose 71657 is engineered to meet stringent SAE standards, ensuring it withstands the demands of modern cooling systems. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, making it suitable for extended use in automotive cooling circuits. The hose features a consistent inside diameter of 1 21/64 inches on both ends, facilitating a secure connection to radiator and engine fittings. The curved design allows for proper routing within the engine bay without kinking or stress, which is critical for maintaining coolant flow and preventing leaks.

Compatible Vehicles and Applications

This radiator coolant hose is compatible with a range of vehicles, including but not limited to:

  • Hyundai Accent
  • Toyota Camry and Solara
  • Volkswagen Golf and Jetta
  • Mitsubishi Outlander
  • Nissan Quest and Mercury Villager
  • Pontiac GTO

It is ideal for replacing worn or damaged radiator hoses in these models to restore proper cooling system function.

Common Issues Addressed by This Radiator Hose

  • Coolant leaks caused by cracked or brittle hoses
  • Overheating due to restricted coolant flow
  • Swelling or softening of old hoses under heat exposure
  • Improper hose fitment leading to coolant loss
  • Corrosion damage from incompatible materials

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 71657, ensure the engine is cool to avoid burns. Verify that the hose diameter matches the radiator and engine fittings exactly (1 21/64 inches). Use appropriate clamps to secure the hose ends and check for any kinks or twists in the hose routing. Inspect adjacent components for wear or damage during installation to prevent future leaks.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71657 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance. The EPDM material is selected for its resistance to heat and coolant chemicals. While specific warranty details are not provided, Dayco products typically adhere to industry quality standards for automotive replacement parts.

BrandDayco
Part Number71657
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 21/64
End 2 Inside Diameter1 21/64
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height16

This part fits 25 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2008ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2007ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2006MitsubishiOutlanderUpperHose Must Be Cut On Both Ends; Curved Radiator Hose
2006ToyotaCamry2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2006ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2005MitsubishiOutlanderUpperHose Must Be Cut On Both Ends; Curved Radiator Hose
2005ToyotaCamry2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2005ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2004MitsubishiOutlander2.4LL4UpperHose Must Be Cut On Both Ends; Curved Radiator Hose
2004PontiacGTOUpperCurved Radiator Hose
2004ToyotaCamry2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2004ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2003ToyotaCamry2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2003ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2002ToyotaCamry2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
2002ToyotaSolara2.4LL4LowerOptional, Hose Must Be Cut On Both Ends; Curved Radiator Hose
1997HyundaiAccentGTLowerCurved Radiator Hose
1996HyundaiAccentGTLowerCurved Radiator Hose
1994MercuryVillagerLowerMfg. Before 11/93; Curved Radiator Hose
1994NissanQuestLowerMfg. Before 11/93; Curved Radiator Hose
1993MercuryVillagerLowerCurved Radiator Hose
1993NissanQuestLowerCurved Radiator Hose
1989VolkswagenJetta1.8LL4Upperw/A.C. or Extra Cool; Curved Radiator Hose
1988VolkswagenGolf1.6LL4Upperw/o A.C., Std. Rad.; Curved Radiator Hose
1988VolkswagenJetta1.6LL4Upperw/o A.C., Std. Rad.; Curved 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:

22485M24042L24289L

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