HomeBelts and Cooling > Hoses and PipesDayco 72171 Radiator Coolant Hose - Lower
Part #: 72171

Dayco 72171 Radiator Coolant Hose - Lower

Curved Radiator Hose, Lower
⚙️ 10 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: Pontiac and Toyota, Corolla, Matrix, and Vibe
🔄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 72171

The Dayco Curved Radiator Hose 72171 is designed to provide reliable coolant flow for select Pontiac 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 single inside diameter hose with 1 5/16 inch ends
  • Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
  • Compatible with Pontiac and Toyota models including Corolla, Matrix, and Vibe
  • Curved design for precise fitment and efficient coolant flow

Detailed Product Description

The Dayco Curved Radiator Hose 72171 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a secure connection to the radiator and engine components. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, which define performance requirements for coolant hoses in automotive applications. The trunk height of 11 inches supports proper routing within the engine bay.

About the Curved Radiator Hose Product Line

Dayco's Curved Radiator Hose line is tailored to provide precise fitment and reliable coolant transfer for specific vehicle applications. This product line emphasizes durability and compliance with industry standards, ensuring hoses like the 72171 maintain coolant system integrity under typical operating conditions. The curved design helps accommodate engine bay layouts in vehicles such as the Pontiac and Toyota models listed.

Compatible Vehicles and Common Applications

  • Replacement radiator coolant hose for Pontiac models requiring 1 5/16 inch diameter hoses
  • Suitable for Toyota Corolla, Matrix, and Vibe models needing a curved radiator hose
  • Addresses issues such as coolant leaks, hose cracking, and overheating due to hose failure
  • Helps maintain proper coolant circulation and engine temperature regulation

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify the hose ends match the 1 5/16 inch inside diameter for proper fitment. Inspect hose clamps and replace if worn to secure the Dayco 72171 hose effectively. The curved design should align with existing coolant pathways without forcing or bending the hose excessively.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 72171 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling systems.

BrandDayco
Part Number72171
PositionCurved Radiator Hose, Lower
MaterialEpdm
ColorBlack
End 1 Inside Diameter1 5/16
End 2 Inside Diameter1 5/16
Contains Heat ShieldN
Contains Protective SleeveN
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r4 class d-1, sae j1684 type ec
Trunk Height11

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006PontiacVibe1.8LL4LowerCurved Radiator Hose
2006ToyotaCorolla1.8LL4LowerCurved Radiator Hose
2006ToyotaMatrix1.8LL4LowerCurved Radiator Hose
2005PontiacVibe1.8LL4LowerCurved Radiator Hose
2005ToyotaCorolla1.8LL4LowerCurved Radiator Hose
2005ToyotaMatrix1.8LL4LowerCurved Radiator Hose
2004PontiacVibe1.8LL4LowerCurved Radiator Hose
2004ToyotaMatrix1.8LL4LowerCurved Radiator Hose
2003PontiacVibe1.8LL4LowerCurved Radiator Hose
2003ToyotaMatrix1.8LL4LowerCurved 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:

22466M

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