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Dayco 72170 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 72170
The Dayco Curved Radiator Hose 72170 is designed for reliable coolant flow in select Pontiac and Toyota vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance for models like the Toyota Corolla, Matrix, and Pontiac Vibe.
- 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
- Curved design tailored for specific radiator connections
- Compatible with Pontiac and Toyota models including Corolla, Matrix, and Vibe
Detailed Product Description
The Dayco Curved Radiator Hose 72170 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 precise fit for radiator connections on compatible vehicles. 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 engineered to provide reliable coolant transfer with a shape that matches specific vehicle radiator layouts. This product line focuses on delivering hoses that maintain coolant flow efficiency while fitting precisely in the engine compartment. The 72170 part is part of this line, offering a curved design that suits the cooling system requirements of Pontiac and Toyota vehicles such as the Corolla, Matrix, and Vibe.
Common Applications and Problem Solving
- Replacement for worn or cracked radiator coolant hoses
- Prevents coolant leaks that can cause engine overheating
- Restores proper coolant flow in Pontiac Vibe and Toyota Corolla cooling systems
- Addresses hose swelling or softening due to heat exposure
- Ensures secure radiator connections with correct diameter and curvature
Installation Notes and Tips
- Verify hose diameter and length match your vehicle’s specifications before installation
- Ensure clamps are properly tightened to prevent leaks without damaging the hose
- Inspect surrounding components for wear or damage during replacement
- Allow engine to cool before removing the old hose to avoid burns
- Check for proper routing to avoid kinks or contact with moving parts
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 72170 to meet industry SAE standards, ensuring durability and performance under typical operating conditions. While specific warranty details are not provided here, Dayco products generally come with manufacturer-backed quality assurance to support reliable service life in compatible Pontiac and Toyota vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 72170 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 11 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Pontiac | Vibe | Lower | Curved Radiator Hose | ||
| 2008 | Toyota | Corolla | Lower | Curved Radiator Hose | ||
| 2008 | Toyota | Matrix | Lower | Curved Radiator Hose | ||
| 2007 | Pontiac | Vibe | Lower | Curved Radiator Hose | ||
| 2007 | Toyota | Corolla | Lower | Curved Radiator Hose | ||
| 2007 | Toyota | Matrix | Lower | Curved Radiator Hose | ||
| 2006 | Pontiac | Vibe | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2006 | Toyota | Corolla | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2006 | Toyota | Matrix | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2005 | Pontiac | Vibe | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2005 | Toyota | Corolla | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2005 | Toyota | Matrix | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2004 | Pontiac | Vibe | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2004 | Toyota | Corolla | Lower | Curved Radiator Hose | ||
| 2004 | Toyota | Matrix | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2003 | Pontiac | Vibe | 1.8L | L4 | Lower | Curved Radiator Hose |
| 2003 | Toyota | Corolla | Lower | Curved Radiator Hose | ||
| 2003 | Toyota | Matrix | 1.8L | L4 | Lower | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.