HomeBelts and Cooling > Hoses and PipesDayco 72548 Radiator Coolant Hose - Lower
Part #: 72548

Dayco 72548 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$38.38Free 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, 4Runner
🔄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 72548

The Dayco Curved Radiator Hose 72548 is designed specifically for Toyota 4Runner models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under demanding conditions.

  • Material: EPDM for heat and chemical resistance
  • Color: Black
  • End 1 and End 2 Inside Diameter: 1 5/16 inches
  • End 1 and End 2 Outside Diameter: 1 21/32 inches
  • Hose Type: Single inside diameter hose
  • Meets SAE specifications SAE J20R4 Class D-1 and SAE J1684 Type EC
  • Trunk Height: 20 1/2 inches
  • Compatible with Toyota 4Runner models

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to fit specific vehicle cooling systems. This product line emphasizes durability and compliance with SAE standards, ensuring proper coolant flow and fitment. The 72548 part is a single inside diameter hose designed to meet the exact specifications required for Toyota 4Runner radiator connections.

Detailed Product Description

The Dayco 72548 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 and an outside diameter of 1 21/32 inches, making it suitable for precise radiator connections. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator hoses on Toyota 4Runner vehicles
  • Prevention of coolant leaks due to hose degradation
  • Maintaining proper engine temperature by ensuring coolant flow
  • Resolving overheating issues caused by faulty radiator hoses
  • Addressing hose swelling or softening from heat exposure

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72548, ensure the engine is cool to avoid burns. Verify that the hose dimensions match the radiator and engine fittings on your Toyota 4Runner. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain its integrity and fit.

Quality Assurance and Warranty

Dayco manufactures the 72548 radiator hose to meet strict SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand's commitment to reliable automotive components.

BrandDayco
Part Number72548
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 5/16
End 1 Outside Diameter1 21/32
End 2 Inside Diameter1 5/16
End 2 Outside Diameter1 21/32
Hose TypeSingle I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height20 1/2

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021Toyota4RunnerLowerCurved Radiator Hose
2020Toyota4RunnerLowerCurved Radiator Hose
2019Toyota4RunnerLowerCurved Radiator Hose
2018Toyota4RunnerLowerCurved Radiator Hose
2017Toyota4RunnerLowerCurved Radiator Hose
2016Toyota4RunnerLowerCurved Radiator Hose
2015Toyota4RunnerLowerCurved Radiator Hose
2014Toyota4RunnerLowerCurved Radiator Hose
2013Toyota4RunnerLowerCurved Radiator Hose
2012Toyota4RunnerLowerCurved Radiator Hose
2011Toyota4RunnerLowerCurved Radiator Hose
2010Toyota4Runner4.0LV6LowerCurved 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:

27036X

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