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Dayco 70620 HVAC Heater Hose - Heater To Valve or Water Pump To Pipe
Overview of Dayco Curved Radiator Hose 70620
The Dayco Curved Radiator Hose 70620 is designed for reliable performance in HVAC systems of select Buick and Dodge vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent coolant flow and heat resistance for models like the Buick LeSabre and Dodge Neon.
- Constructed from EPDM for heat and chemical resistance
- Black color with 5/8 inch inside diameter on both ends
- Single i.d. hose type for straightforward installation
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 6 1/4 inches for precise fitment
Details on the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on delivering hoses shaped to fit specific radiator and heater core connections, reducing stress and improving coolant flow. The 70620 part exemplifies this with its curved design tailored for HVAC heater hose applications, ensuring compatibility and durability in Buick LeSabre, Dodge Neon, Regal, Riviera, and Skylark models.
Product Description and Specifications
This HVAC heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for automotive HVAC systems. Both ends have a 5/8 inch inside diameter, allowing for a secure connection to the vehicle’s cooling system. The hose does not include a heat shield or protective sleeve, which is typical for this type of single i.d. hose. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for durability and performance.
Compatible Vehicles and Common Applications
- Replacement HVAC heater hose for Buick LeSabre and Riviera
- Suitable for Dodge Neon, Regal, and Skylark HVAC systems
- Addresses issues such as cracked or leaking heater hoses
- Prevents coolant leaks that can cause engine overheating
- Restores proper coolant flow in HVAC heater core circuits
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70620, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify the 5/8 inch inside diameter matches the vehicle’s fittings. Use appropriate clamps to secure each end firmly. Inspect surrounding components for wear or damage during replacement to avoid future leaks.
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70620 to meet SAE specifications, providing assurance of material quality and dimensional accuracy. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability and performance in automotive HVAC applications.
| Brand | Dayco |
| Part Number | 70620 |
| Position | Curved Radiator Hose, Water Pump To Pipe |
| Color | Black |
| End 1 Inside Diameter | 5/8 |
| End 2 Inside Diameter | 5/8 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 6 1/4 |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Dodge | Neon | 2.0L | L4 | Water Pump To Pipe | Curved Radiator Hose |
| 2004 | Dodge | Neon | 2.0L | L4 | Water Pump To Pipe | Curved Radiator Hose |
| 1976 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1976 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1975 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1975 | Buick | LeSabre | 6.6L | V8 | N/A | Curved Radiator Hose |
| 1975 | Buick | Riviera | N/A | Curved Radiator Hose | ||
| 1974 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1974 | Buick | Regal | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1974 | Buick | Riviera | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1973 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1973 | Buick | Regal | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1973 | Buick | Riviera | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1972 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1972 | Buick | Riviera | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1971 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1971 | Buick | Riviera | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1971 | Buick | Skylark | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1970 | Buick | LeSabre | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1970 | Buick | Riviera | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1970 | Buick | Skylark | 7.5L | V8 | N/A | Curved Radiator Hose |
| 1969 | Buick | Riviera | 7.0L | V8 | N/A | Curved Radiator Hose |
| 1968 | Buick | Riviera | 7.0L | V8 | N/A | Curved Radiator Hose |
| 1968 | Buick | Skylark | 6.6L | V8 | N/A | 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.