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Dayco 70575 Radiator Coolant Hose
Durable Radiator Coolant Hose for Chevrolet, GMC, and Pontiac
The Dayco Curved Radiator Hose 70575 is engineered to provide reliable coolant flow for select Chevrolet, GMC, and Pontiac vehicles. Designed with quality EPDM material, this black curved radiator hose ensures consistent performance in demanding engine environments.
- Constructed from durable EPDM material for heat and chemical resistance
- Black color with a curved design for precise fitment
- Inside diameter of 1 3/4 inches on both ends for uniform coolant flow
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 17 3/8 inches for proper routing in engine bays
- Single inside diameter hose type for straightforward installation
About the Dayco Curved Radiator Hose Product Line
The Curved Radiator Hose line by Dayco focuses on delivering hoses that match the original equipment specifications for coolant systems. This product line emphasizes precise curvature and material quality to maintain optimal coolant circulation and engine temperature control. The 70575 part is a representative component designed to fit specific GM models, ensuring compatibility and durability.
Product Details and Specifications
This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. Both ends of the hose have an inside diameter of 1 3/4 inches, providing a consistent seal and flow rate. The hose does not include a heat shield or protective sleeve, focusing on a straightforward, reliable design. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications. The trunk height of 17 3/8 inches allows for proper fitment in the engine bay of compatible vehicles.
Compatible Vehicles and Common Applications
- Chevrolet Blazer radiator coolant replacement
- GMC Jimmy cooling system hose repair
- Pontiac Bonneville radiator hose maintenance
- Chevrolet and GMC Suburban (C10, C20, K10, K20) coolant hose replacement
- Pontiac Catalina cooling system component
Installation Notes and Tips
Ensure the engine is cool before removing the old radiator hose to prevent burns. Verify the hose orientation matches the original routing to avoid kinks or interference with other engine components. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect adjoining components for wear or damage during installation to maintain overall cooling system integrity.
Quality Assurance and Warranty
Dayco manufactures this radiator coolant hose to meet industry SAE specifications, ensuring reliable performance under normal operating conditions. While specific warranty details are not provided, Dayco products typically adhere to strict quality control standards to support durability and fitment for Chevrolet, GMC, and Pontiac vehicles.
| Brand | Dayco |
|---|---|
| Part Number | 70575 |
| Position | Curved Radiator Hose, Lower, Lower - Pipe To Engine, Lower - Pipe To Radiator, and Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 3/4 |
| End 2 Inside Diameter | 1 3/4 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 17 3/8 |
This part fits 59 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1970 | Chevrolet | Blazer | 5.0L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | Blazer | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | Blazer | 5.7L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | Blazer | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | C10 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | C10 Suburban | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | C20 Suburban | 5.0L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | C20 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | C20 Suburban | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | K10 Suburban | 5.0L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | K10 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | K10 Suburban | 5.7L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | K10 Suburban | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | K20 Suburban | 5.0L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | K20 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | Chevrolet | K20 Suburban | 5.7L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | Chevrolet | K20 Suburban | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | GMC | G15/G1500 Van | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1970 | GMC | G25/G2500 Van | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1970 | GMC | G25/G2500 Van | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1970 | GMC | G35/G3500 Van | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1970 | GMC | G35/G3500 Van | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1970 | GMC | Jimmy | 5.0L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | GMC | Jimmy | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1970 | GMC | Jimmy | 5.7L | V8 | Lower - Pipe To Engine | w/4WD; Curved Radiator Hose |
| 1970 | GMC | Jimmy | 5.7L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1969 | Chevrolet | Blazer | 5.0L | V8 | Lower | Standard radiator coolant hose.; Curved Radiator Hose |
| 1969 | Chevrolet | Blazer | 5.7L | V8 | Lower | Standard radiator coolant hose.; Curved Radiator Hose |
| 1969 | Chevrolet | C10 Suburban | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | C10 Suburban | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | C20 Suburban | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | C20 Suburban | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | K10 Suburban | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | K10 Suburban | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | K20 Suburban | 5.0L | V8 | Lower | Curved Radiator Hose |
| 1969 | Chevrolet | K20 Suburban | 5.7L | V8 | Lower | Curved Radiator Hose |
| 1968 | Chevrolet | C10 Suburban | 5.4L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | C10 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | C10 Suburban | 5.3L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | C20 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | C20 Suburban | 5.3L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K10 Suburban | 5.4L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K10 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K10 Suburban | 5.3L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K20 Suburban | 5.4L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K20 Suburban | 5.0L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1968 | Chevrolet | K20 Suburban | 5.3L | V8 | Lower | Fits vehicles without air conditioning.; Curved Radiator Hose |
| 1967 | Chevrolet | C10 Suburban | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1967 | Chevrolet | C10 Suburban | 5.3L | V8 | Lower | w/2WD; Curved Radiator Hose |
| 1967 | Chevrolet | C20 Suburban | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1967 | Chevrolet | C20 Suburban | 5.3L | V8 | Lower | w/2WD; Curved Radiator Hose |
| 1967 | Chevrolet | K10 Suburban | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1967 | Chevrolet | K10 Suburban | 5.3L | V8 | Lower | w/2WD; Curved Radiator Hose |
| 1967 | Chevrolet | K20 Suburban | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1967 | Chevrolet | K20 Suburban | 5.3L | V8 | Lower | w/2WD; Curved Radiator Hose |
| 1967 | GMC | G15/G1500 Van | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1967 | GMC | G25/G2500 Van | 4.6L | V8 | Lower | Curved Radiator Hose |
| 1963 | Pontiac | Bonneville | 6.9L | V8 | Upper | Curved Radiator Hose |
| 1963 | Pontiac | Catalina | 6.9L | V8 | Upper | 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.