HomeBelts and Cooling > Hoses and PipesDayco 72189 Radiator Coolant Hose - Lower
Part #: 72189

Dayco 72189 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
21 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: Ford and Mazda, Ranger and B2300
Easy Returns — Return within 60 days for a full refund
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Overview of Dayco Curved Radiator Hose 72189

The Dayco Curved Radiator Hose 72189 is designed specifically for Ford Ranger and Mazda B2300 models. This radiator coolant hose features a dual inside diameter design and is constructed from durable EPDM material to ensure reliable performance in cooling systems.

  • Material: EPDM for heat and chemical resistance
  • Color: Black
  • End 1 Inside Diameter: 1 9/32 inches
  • End 2 Inside Diameter: 1 15/32 inches
  • Hose Type: Dual inside diameter hose
  • SAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC
  • Trunk Height: 20
  • Does not contain heat shield or protective sleeve

Detailed Product Description

The Dayco Curved Radiator Hose 72189 is engineered to meet the cooling system requirements of Ford Ranger and Mazda B2300 vehicles. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The dual inside diameter design allows for a secure fit on varying radiator and engine connections, with one end measuring 1 9/32 inches and the other 1 15/32 inches in diameter. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on providing hoses with precise bends and dual inside diameters to accommodate specific vehicle cooling system layouts. This product line is designed to replace original equipment hoses with exact fitment and material specifications, supporting reliable coolant flow and system durability. The 72189 part number is part of this line, tailored for Ford Ranger and Mazda B2300 applications.

Common Applications and Issues Addressed

  • Replacement of worn or cracked radiator coolant hoses in Ford Ranger and Mazda B2300
  • Prevention of coolant leaks caused by hose degradation
  • Restoration of proper coolant flow to avoid engine overheating
  • Addressing hose swelling or softening due to heat exposure
  • Ensuring secure connections with dual inside diameter ends for proper sealing

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72189, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the original routing to avoid kinks or stress points. Use appropriate clamps to secure both ends, matching the dual inside diameters for a tight seal. Inspect adjacent components for wear or damage during installation to maintain overall cooling system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72189 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material and construction standards provide durability under typical operating conditions. Warranty details should be confirmed with the original equipment manufacturer or supplier, as they may vary by region and application.

BrandDayco
Part Number72189
PositionCurved Radiator Hose, Lower
ColorBlack
End 1 Inside Diameter1 9/32
End 2 Inside Diameter1 15/32
Hose TypeDual I.D. Hose
MaterialEPDM
SAE SpecificationSAE J20R4 Class D-1, SAE J1684 Type EC
Trunk Height20

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2011FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2010FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2010MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2009FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2009MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2008FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2008MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2007FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2007MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2006FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2006MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2005FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2005MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2004FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2004MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2003FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2003MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2002FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2002MazdaB2300LowerSupersedes 72188; Curved Radiator Hose
2001FordRanger2.3LL4LowerSupersedes 72188; Curved Radiator Hose
2001MazdaB2300LowerSupersedes 72188; Curved 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:

24461L

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