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Dayco 70831 Radiator Coolant Hose
Overview of Dayco Curved Radiator Hose 70831
The Dayco Curved Radiator Hose 70831 is designed to provide reliable coolant flow for select Pontiac and Saab vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.
- Constructed from EPDM for heat and chemical resistance
- Black color with a single inside diameter hose design
- End 1 and End 2 inside diameters both measure 1 3/8 inches
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 9 3/4 inches for precise fitment
Detailed Product Description
The Dayco Curved Radiator Hose line focuses on delivering hoses that meet stringent automotive standards for coolant system durability and fitment accuracy. Part number 70831 is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 3/8 inch inside diameter on both ends, ensuring a secure connection within the cooling system. The black hose does not include a heat shield or protective sleeve, which is typical for this type of radiator coolant hose. Its trunk height of 9 3/4 inches is designed to fit specific routing requirements in compatible vehicles.
Compatible Vehicles and Applications
This radiator coolant hose is compatible with select Pontiac and Saab models, including the Pontiac Fiero and Saab 900. It is intended for use in the cooling system to maintain proper engine temperature by facilitating coolant flow between the radiator and engine components.
- Replaces worn or cracked radiator hoses in Pontiac Fiero and Saab 900
- Prevents coolant leaks that can cause engine overheating
- Restores proper coolant circulation for efficient engine cooling
- Addresses hose swelling or softening due to age or heat exposure
- Suitable for maintenance or repair of cooling system components
Installation Notes and Tips
When installing the Dayco Curved Radiator Hose 70831, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose routing matches the original configuration to prevent kinks or interference with other engine parts. Use appropriate clamps to secure the hose ends firmly, and inspect adjacent components for wear or damage during installation.
Quality Assurance and Standards
Dayco's Curved Radiator Hose 70831 meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. Manufactured from EPDM material, this hose offers resistance to heat, ozone, and coolant chemicals, contributing to its durability and service life. While no specific warranty information is provided, Dayco products are generally produced under strict quality control processes to meet OEM requirements.
| Brand | Dayco |
| Part Number | 70831 |
| Position | Curved Radiator Hose, Upper - Thermostat To Engine, Upper - Engine To Thermostat, Upper - Engine To Pipe, Upper - Pipe To Thermostat, Lower - Pipe To Radiator, Upper - Pipe To Engine, Lower - Engine To Water Pump, and Lower - Pipe To Water Pump |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 3/8 |
| End 2 Inside Diameter | 1 3/8 |
| 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 | 9 3/4 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Saab | 900 | 2.1L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1993 | Saab | 900 | 2.0L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1992 | Saab | 900 | 2.1L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1992 | Saab | 900 | 2.0L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1991 | Saab | 900 | 2.1L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1991 | Saab | 900 | 2.0L | L4 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1990 | Saab | 900 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1989 | Saab | 900 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1988 | Saab | 900 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1987 | Pontiac | Fiero | 2.5L | L4 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1987 | Pontiac | Fiero | 2.8L | V6 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1987 | Saab | 900 | Upper - Pipe To Engine | Compatible with vehicles containing air conditioning.; Curved Radiator Hose | ||
| 1986 | Pontiac | Fiero | 2.5L | L4 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1986 | Pontiac | Fiero | 2.8L | V6 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1985 | Pontiac | Fiero | 2.5L | L4 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1985 | Pontiac | Fiero | 2.8L | V6 | Lower - Pipe To Radiator | Curved Radiator Hose |
| 1984 | Pontiac | Fiero | Lower - Pipe To Radiator | 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.