HomeBelts and Cooling > Hoses and PipesDayco 70786 Radiator Coolant Hose - Lower, Upper or Upper - Pipe To Radiator
Part #: 70786

Dayco 70786 Radiator Coolant Hose - Lower, Upper or Upper - Pipe To Radiator

Curved Radiator Hose, Lower
⚙️ 29 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: Mazda, Toyota, and Ford, MPV, Previa, and Bronco
🔄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 70786

The Dayco Curved Radiator Hose 70786 is designed for reliable coolant flow in select Ford, Mazda, and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in demanding engine environments.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Inside diameter of 1 1/2 inches on both ends for uniform coolant flow
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type with 18-inch trunk height
  • Compatible with Ford Bronco, Mazda MPV, and Toyota Previa models

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dimensions to match OEM configurations. This product line is engineered to maintain coolant system integrity by ensuring proper routing and fitment, reducing stress on connections and improving overall cooling efficiency. The 70786 part exemplifies this with its precise 1 1/2 inch inside diameters and curved shape tailored for select vehicle applications.

Product Description and Specifications

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive cooling systems. The hose features a consistent 1 1/2 inch inside diameter on both ends, facilitating smooth coolant flow without restriction. It does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Compatible Vehicles and Common Applications

  • Replacement radiator hose for Ford Bronco models requiring a 1 1/2 inch curved hose
  • Suitable for Mazda MPV vehicles needing a reliable coolant hose with specific bend and length
  • Fits Toyota Previa models where a curved radiator hose with these dimensions is specified
  • Addresses issues such as coolant leaks, hose cracking, and coolant flow restrictions
  • Helps maintain proper engine temperature by ensuring coolant system integrity

Installation Notes and Tips

Before installation, verify the hose dimensions and curvature match the vehicle’s OEM specifications. Ensure all clamps and connections are secure to prevent leaks. It is recommended to inspect the cooling system for any additional wear or damage during replacement. The hose should be installed without twisting or stretching to maintain its designed shape and function.

Quality Assurance and Warranty

Dayco manufactures this radiator hose to meet SAE standards, providing assurance of material and performance quality. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls to support durability and reliability in automotive cooling systems.

BrandDayco
Part Number70786
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 1/2
End 2 Inside Diameter1 1/2
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height18

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006MazdaMPVLowerCurved Radiator Hose
2005MazdaMPVLowerCurved Radiator Hose
2004MazdaMPVLowerCurved Radiator Hose
2003MazdaMPVLowerCurved Radiator Hose
2002MazdaMPVLowerCurved Radiator Hose
1997ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1996ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1995ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1994ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1993ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1992ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1991ToyotaPreviaUpper - Pipe To RadiatorCurved Radiator Hose
1977FordBroncoUpperCurved Radiator Hose
1976FordBroncoUpperCurved Radiator Hose
1975FordBroncoUpperCurved Radiator Hose
1974FordBronco5.0LV8UpperCurved Radiator Hose
1974FordBroncoUpperCurved Radiator Hose
1973FordBronco5.0LV8UpperCurved Radiator Hose
1973FordBroncoUpperCurved Radiator Hose
1972FordBronco5.0LV8UpperCurved Radiator Hose
1972FordBroncoUpperCurved Radiator Hose
1971FordBronco5.0LV8UpperCurved Radiator Hose
1971FordBroncoUpperCurved Radiator Hose
1970FordBronco5.0LV8UpperCurved Radiator Hose
1970FordBroncoUpperCurved Radiator Hose
1969FordBronco5.0LV8UpperCurved Radiator Hose
1969FordBroncoUpperCurved Radiator Hose
1968FordBronco5.0LV8UpperCurved Radiator Hose
1968FordBroncoUpperCurved 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:

24031L24260L24299L24498L

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