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Dayco 71950 Radiator Coolant Hose - Lower
Overview of Dayco Curved Radiator Hose 71950
The Dayco Curved Radiator Hose 71950 is designed to provide reliable coolant flow for select GM vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance in Buick, Chevrolet, Oldsmobile, and Pontiac models including the Aztek, Equinox, Montana, Rendezvous, Silhouette, and Trans Sport.
- Constructed from high-quality EPDM for heat and chemical resistance
- Black color with a single inside diameter of 1 1/4 inch on both ends
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Curved design tailored for specific GM vehicle coolant routing
- Trunk height dimension of 12 inches for precise fitment
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on delivering hoses with specific bends and dimensions to match factory coolant system layouts. This product line is engineered to meet or exceed OEM standards, providing a direct replacement that maintains proper coolant flow and system integrity. The 71950 part is a single inside diameter hose designed to fit multiple GM models, ensuring compatibility and ease of installation.
Detailed Product Description
This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, which helps extend hose life under demanding engine conditions. Both ends of the hose have an inside diameter of 1 1/4 inches, making it suitable for coolant connections requiring this size. The hose does not include a heat shield or protective sleeve, reflecting its intended use in standard engine compartments without additional shielding needs. Meeting SAE J20R4 Class D-1 and SAE J1684 Type EC standards ensures the hose complies with industry requirements for coolant hoses, including pressure and temperature tolerances.
Compatible Vehicles and Common Applications
- Buick Aztek and Rendezvous coolant system repairs
- Chevrolet Equinox and Montana radiator hose replacements
- Oldsmobile Silhouette coolant hose maintenance
- Pontiac Trans Sport radiator coolant routing
- Addressing coolant leaks, hose cracks, and coolant flow restrictions in these models
Installation Notes and Tips
- Verify hose dimensions and fitment with your vehicle’s service manual before installation
- Ensure all clamps and connections are secure to prevent leaks
- Inspect surrounding components for wear or damage during replacement
- Drain coolant system properly before removing the old hose
- Use appropriate coolant type when refilling after installation
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 71950 to meet strict quality standards, ensuring durability and performance. The hose is tested to comply with SAE specifications relevant to radiator coolant hoses. Warranty coverage details should be confirmed with the original product documentation or supplier, as Dayco typically offers limited warranties against manufacturing defects.
| Brand | Dayco |
|---|---|
| Part Number | 71950 |
| Position | Curved Radiator Hose, Lower |
| Color | Black |
| End 1 Inside Diameter | 1 1/4 |
| End 2 Inside Diameter | 1 1/4 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 12 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | Lower | Curved Radiator Hose | ||
| 2006 | Buick | Rendezvous | 3.5L | V6 | Lower | Curved Radiator Hose |
| 2005 | Buick | Rendezvous | 3.4L | V6 | Lower | Curved Radiator Hose |
| 2005 | Chevrolet | Equinox | Lower | Curved Radiator Hose | ||
| 2005 | Pontiac | Aztek | Lower | Curved Radiator Hose | ||
| 2005 | Pontiac | Montana | 3.4L | V6 | Lower | Curved Radiator Hose |
| 2004 | Buick | Rendezvous | 3.4L | V6 | Lower | Curved Radiator Hose |
| 2004 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 2004 | Pontiac | Aztek | Lower | Curved Radiator Hose | ||
| 2004 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 2003 | Buick | Rendezvous | Lower | Curved Radiator Hose | ||
| 2003 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 2003 | Pontiac | Aztek | Lower | Curved Radiator Hose | ||
| 2003 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 2002 | Buick | Rendezvous | Lower | Curved Radiator Hose | ||
| 2002 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 2002 | Pontiac | Aztek | Lower | Curved Radiator Hose | ||
| 2002 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 2001 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 2001 | Pontiac | Aztek | Lower | Curved Radiator Hose | ||
| 2001 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 2000 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 2000 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 1999 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 1999 | Pontiac | Montana | Lower | Curved Radiator Hose | ||
| 1999 | Pontiac | Trans Sport | Lower | Curved Radiator Hose | ||
| 1998 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 1998 | Pontiac | Trans Sport | Lower | Curved Radiator Hose | ||
| 1997 | Oldsmobile | Silhouette | Lower | Curved Radiator Hose | ||
| 1997 | Pontiac | Trans Sport | 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.