HomeBelts and Cooling > Hoses and PipesDayco 72651 Radiator Coolant Hose - Lower
Part #: 72651

Dayco 72651 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: Scion, xB
🔄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 72651

The Dayco Curved Radiator Hose 72651 is designed specifically for Scion xB models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this radiator coolant hose ensures consistent performance under various operating conditions.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Black color with a curved design for precise fitment
  • End 1 and End 2 inside diameter: 1 5/16 inches
  • End 1 and End 2 outside diameter: 1 21/32 inches
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Single inside diameter hose type for uniform coolant flow
  • Trunk height of 15 1/2 inches for proper routing

Detailed Description of the Curved Radiator Hose

The Dayco Curved Radiator Hose 72651 is engineered to meet the cooling system demands of the Scion xB. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The hose features a curved design that aligns with the vehicle’s cooling system layout, ensuring a secure and leak-free connection. Both ends have an inside diameter of 1 5/16 inches and an outside diameter of 1 21/32 inches, making it compatible with the corresponding radiator and engine fittings. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

About the Dayco Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on providing hoses that match specific vehicle cooling system geometries. This product line emphasizes precise fitment and material durability, reducing the risk of coolant leaks and hose failures. The 72651 part number is part of this line, designed to fit the Scion xB with exact dimensions and material specifications to maintain optimal engine cooling performance.

Common Applications and Problem Solving

  • Replacement of worn or cracked radiator coolant hoses in Scion xB vehicles
  • 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 hose connections to radiator and engine fittings

Installation Notes and Tips

When installing the Dayco Curved Radiator Hose 72651, ensure the engine is cool to prevent burns. Verify that the hose dimensions match the vehicle’s radiator and engine fittings. Use appropriate clamps to secure both ends of the hose firmly, avoiding overtightening which can damage the hose. Inspect surrounding components for wear or damage during installation and replace if necessary to maintain system integrity.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72651 to meet stringent SAE specifications, ensuring reliable performance in automotive cooling systems. The EPDM material and construction standards provide durability against heat and chemical exposure. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support their use in vehicle maintenance and repair.

BrandDayco
Part Number72651
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 Height15 1/2

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2015ScionxBLowerCurved Radiator Hose
2014ScionxBLowerCurved Radiator Hose
2013ScionxBLowerCurved Radiator Hose
2012ScionxBLowerCurved Radiator Hose
2011ScionxBLowerCurved Radiator Hose
2010ScionxBLowerCurved Radiator Hose
2009ScionxBLowerCurved Radiator Hose
2008ScionxBLowerCurved 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:

24660L

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