HomeBelts and Cooling > Hoses and PipesDayco 71660 Radiator Coolant Hose - Lower
Part #: 71660

Dayco 71660 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Curved Radiator Hose, Lower
Fitment: Jeep, Grand Cherokee
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 71660

The Dayco Curved Radiator Hose 71660 is designed specifically for Jeep Grand Cherokee models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a secure fit and long-lasting performance.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Black color with protective sleeve for added durability
  • Dual inside diameter hose: 1 15/32 inches and 1 3/4 inches
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk height of 15 1/2 inches for precise fitment
  • Compatible with Jeep Grand Cherokee models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and coolant system layouts. This product line emphasizes durability and fitment accuracy, making it suitable for vehicles like the Jeep Grand Cherokee that require precise hose configurations for optimal cooling system performance.

Product Description and Specifications

The Dayco 71660 radiator coolant hose is engineered from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a dual inside diameter design, with one end measuring 1 15/32 inches and the other 1 3/4 inches, allowing it to connect different sized fittings securely. The black hose includes a protective sleeve to guard against abrasion and wear, although it does not contain a heat shield. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator hoses. The trunk height of 15 1/2 inches supports proper routing within the engine bay of Jeep Grand Cherokee vehicles.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Jeep Grand Cherokee
  • Resolving coolant leaks caused by hose degradation or improper fit
  • Addressing overheating issues due to compromised coolant flow
  • Upgrading to a hose with protective sleeve for enhanced durability
  • Ensuring compliance with OEM specifications for radiator hose replacement

Installation Notes and Tips

When installing the Dayco 71660 radiator hose, ensure the hose ends match the radiator and engine fittings by verifying the dual inside diameters. Use proper clamps to secure the hose and prevent leaks. Inspect the protective sleeve for any damage before installation. It is recommended to drain the coolant system before removal and refill with the appropriate coolant after installation. Check for leaks and proper hose routing to avoid contact with moving parts or excessive heat sources.

Quality Assurance and Warranty

Dayco manufactures the 71660 radiator hose to meet SAE specifications, ensuring reliable performance and durability. The EPDM material and protective sleeve contribute to extended service life under normal operating conditions. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandDayco
Part Number71660
PositionCurved Radiator Hose, Lower
ColorBlack
Contains Protective SleeveY
End 1 Inside Diameter1 15/32
End 2 Inside Diameter1 3/4
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height15 1/2

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998JeepGrand Cherokee4.0LL6LowerCurved Radiator Hose
1997JeepGrand Cherokee4.0LL6LowerCurved Radiator Hose
1996JeepGrand Cherokee4.0LL6LowerCurved Radiator Hose
1995JeepGrand Cherokee4.0LL6LowerCurved Radiator Hose
1994JeepGrand Cherokee4.0LL6LowerCurved Radiator Hose
1993JeepGrand Cherokee4.0LL6LowerCurved 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:

24278L

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