HomeBelts and Cooling > Hoses and PipesDayco 71170 Radiator Coolant Hose - Lower
Part #: 71170

Dayco 71170 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
9 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: Toyota and Nissan, Van, Van Wagon, and 280ZX
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 71170

The Dayco Curved Radiator Hose 71170 is designed for reliable coolant flow in Nissan 280ZX and Toyota Van models. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

  • Material: EPDM for heat and chemical resistance
  • Color: Black
  • End 1 and End 2 Inside Diameter: 1 5/16 inches
  • Hose Type: Single inside diameter hose
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Trunk Height: 17 inches
  • Does not include heat shield or protective sleeve

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses shaped to fit specific radiator and engine configurations, reducing the need for modifications during installation. This product line emphasizes compatibility and durability, making it suitable for vehicles like the Nissan 280ZX and Toyota Van where precise hose curvature is necessary for proper coolant routing.

Product Description and Specifications

The Dayco 71170 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a secure fit on compatible radiator and engine fittings. This single inside diameter hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems. The hose is black in color and measures 17 inches in trunk height, designed to meet the specific routing requirements of Nissan 280ZX and Toyota Van models.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Nissan 280ZX and Toyota Van vehicles
  • Resolving coolant leaks caused by hose degradation or damage
  • Maintaining proper coolant flow to prevent engine overheating
  • Ensuring compatibility with OEM radiator and engine fittings
  • Addressing coolant system failures due to hose swelling or hardening

Installation Notes and Tips

Before installation, verify the hose dimensions and fitment with your vehicle’s radiator and engine connections. Ensure clamps are properly tightened to prevent leaks but avoid over-tightening which can damage the hose. Since this hose does not include a heat shield or protective sleeve, inspect surrounding components for heat exposure and consider additional protection if necessary. Proper routing according to the vehicle’s factory specifications is essential for optimal performance.

Quality Assurance and Warranty

Dayco manufactures the 71170 radiator coolant hose to meet SAE specifications, ensuring compliance with industry standards for durability and performance. While specific warranty details are not provided, Dayco products typically adhere to quality control processes to support reliable operation in Nissan 280ZX and Toyota Van applications.

BrandDayco
Part Number71170
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height17

This part fits 9 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1989ToyotaVanRWDLowerCurved Radiator Hose
1988ToyotaVanRWDLowerCurved Radiator Hose
1987ToyotaVanRWDLowerCurved Radiator Hose
1986ToyotaVanLowerCurved Radiator Hose
1985ToyotaVanLowerCurved Radiator Hose
1984ToyotaVanLowerCurved Radiator Hose
1983Nissan280ZXLowerCurved Radiator Hose
1982Nissan280ZXLowerCurved Radiator Hose
1981Nissan280ZXLowerCurved 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:

24099L

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