HomeBelts and Cooling > Hoses and PipesDayco 72943 Radiator Coolant Hose - Lower
Part #: 72943

Dayco 72943 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Curved Radiator Hose, Lower
🚗Fitment: Toyota, Prius C
🔄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 72943

The Dayco Curved Radiator Hose 72943 is designed specifically for Toyota Prius C models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this black radiator coolant hose ensures consistent performance under typical operating conditions.

  • Constructed from EPDM for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • Inside diameter of 1 3/16 inches on both ends
  • Outside diameter of 1 9/16 inches on both ends
  • Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards
  • Single inside diameter hose type
  • Trunk height of 9 1/2 inches
  • Compatible with Toyota Prius C

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system requirements. This product line emphasizes material quality and adherence to SAE specifications, ensuring compatibility and durability for targeted applications such as the Toyota Prius C. The curved design facilitates proper coolant flow without kinking or stress on the hose ends.

Technical Description of Part Number 72943

Part number 72943 is a radiator coolant hose 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 3/16 inches and an outside diameter of 1 9/16 inches, making it a single inside diameter hose suitable for the Toyota Prius C cooling system. The hose does not include a heat shield or protective sleeve, which is typical for this application. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses on Toyota Prius C
  • Resolving coolant leaks caused by hose degradation
  • Preventing overheating due to compromised coolant flow
  • Maintaining proper engine temperature regulation
  • Ensuring secure hose connections with correct diameter and fitment

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72943, ensure the hose is properly seated on the radiator and engine fittings to prevent leaks. Verify that the hose routing matches the original to avoid kinks or contact with moving parts. Use appropriate clamps tightened to manufacturer specifications. Inspect adjacent components for wear or damage during replacement.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72943 to meet SAE standards, providing reliable performance for Toyota Prius C vehicles. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and testing protocols to ensure durability and fitment accuracy.

BrandDayco
Part Number72943
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 3/16
End 2 Inside Diameter1 3/16
Contains Heat ShieldN
Contains Protective SleeveN
End 1 Outside Diameter1 9/16
End 2 Outside Diameter1 9/16
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height9 1/2

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2019ToyotaPrius CLowerCurved Radiator Hose
2018ToyotaPrius CLowerCurved Radiator Hose
2017ToyotaPrius CLowerCurved Radiator Hose
2016ToyotaPrius CLowerCurved Radiator Hose
2015ToyotaPrius CLowerCurved Radiator Hose
2014ToyotaPrius CLowerCurved Radiator Hose
2013ToyotaPrius CLowerCurved Radiator Hose
2012ToyotaPrius CLowerCurved Radiator Hose

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