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Dayco 70158 Radiator Coolant Hose
Overview of Dayco Curved Radiator Hose 70158
The Dayco Curved Radiator Hose 70158 is designed to provide reliable coolant flow for select Audi, Chrysler, and Volkswagen models. Constructed from durable EPDM material, this black radiator coolant hose ensures consistent performance under typical engine operating conditions.
- Material: EPDM for heat and chemical resistance
- Color: Black
- End 1 Inside Diameter: 1 1/4 inches
- End 2 Inside Diameter: 1 1/4 inches
- Hose Type: Single inside diameter hose
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk Height: 5 inches
- Does not include heat shield or protective sleeve
About the Curved Radiator Hose Product Line
The Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends to fit specific engine layouts, reducing stress and improving coolant flow efficiency. The 70158 part is engineered to meet stringent SAE standards, ensuring compatibility and durability for vehicles requiring a curved radiator coolant hose with a 1 1/4 inch inside diameter on both ends.
Detailed Product Description
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. The hose’s black color and single inside diameter design simplify installation and replacement. It is designed without a heat shield or protective sleeve, which is typical for applications where additional protection is not required. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for coolant hoses.
Compatible Vehicles and Common Applications
- Compatible with Audi A3 and A3 Quattro models
- Fits Chrysler Imperial, New Yorker, Newport, and Town & Country
- Suitable for Volkswagen Eos, Golf, GTI, Jetta, Passat, TT, and TT Quattro
- Used in radiator coolant systems requiring a curved hose with 1 1/4 inch diameter ends
- Addresses coolant hose wear, cracking, and leaks in specified vehicles
Installation Notes and Tips
- Ensure the hose diameter matches the radiator and engine fittings (1 1/4 inch inside diameter)
- Inspect surrounding components for wear before installation
- Use proper clamps to secure the hose and prevent leaks
- Verify hose routing to avoid kinks or contact with hot engine parts
- Replace coolant and bleed the system after installation to prevent air pockets
Quality Assurance and Warranty
Dayco manufactures the Curved Radiator Hose 70158 to meet SAE specifications, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability in automotive cooling applications.
| Brand | Dayco |
| Part Number | 70158 |
| Position | Curved Radiator Hose, Lower - Radiator To Tee |
| 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 | 5 |
This part fits 45 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Audi | A3 | 2.0L | L4 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2009 | Audi | A3 Quattro | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2009 | Volkswagen | GTI | Lower - Tee To Radiator | Curved Radiator Hose | |||
| 2008 | Audi | A3 Quattro | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2008 | Audi | TT Quattro | Lower - Radiator To Tee | Curved Radiator Hose | |||
| 2008 | Volkswagen | Eos | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2008 | Volkswagen | GTI | Lower - Tee To Radiator | Curved Radiator Hose | |||
| 2008 | Volkswagen | Passat | Automatic | 2.0L | L4 | Upper - Radiator To Tee | Curved Radiator Hose |
| 2007 | Audi | A3 Quattro | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2007 | Volkswagen | Eos | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2007 | Volkswagen | Passat | Automatic | 2.0L | L4 | Upper - Radiator To Tee | Curved Radiator Hose |
| 2006 | Audi | A3 Quattro | 3.2L | V6 | Lower - Radiator To Tee | Curved Radiator Hose | |
| 2006 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2006 | Volkswagen | Passat | Automatic | 2.0L | L4 | Upper - Radiator To Tee | Curved Radiator Hose |
| 2005 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2005 | Volkswagen | Jetta | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2004 | Audi | TT | Upper - Tee-1 To Tee-2 | Curved Radiator Hose | |||
| 2004 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2004 | Volkswagen | Jetta | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2003 | Volkswagen | Golf | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2003 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2003 | Volkswagen | Jetta | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2003 | Volkswagen | Jetta | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2002 | Volkswagen | Golf | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2002 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2002 | Volkswagen | Jetta | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2002 | Volkswagen | Jetta | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2001 | Volkswagen | Golf | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2001 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2001 | Volkswagen | Jetta | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2000 | Volkswagen | Golf | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 2000 | Volkswagen | Golf | Automatic | 1.8L | L4 | Upper - Tee-1 To Tee-2 | Curved Radiator Hose |
| 2000 | Volkswagen | Jetta | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 1999 | Volkswagen | Jetta | 2.8L | V6 | Lower - Radiator To Tee | Fitment note: without Quick Connect; Curved Radiator Hose | |
| 1954 | Chrysler | Imperial | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1954 | Chrysler | New Yorker | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1953 | Chrysler | Imperial | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1953 | Chrysler | New Yorker | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1953 | Chrysler | Newport | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1953 | Chrysler | Town & Country | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1952 | Chrysler | Imperial | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1952 | Chrysler | New Yorker | N/A | Curved Radiator Hose | |||
| 1952 | Chrysler | Newport | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1952 | Chrysler | Town & Country | 5.4L | V8 | N/A | Curved Radiator Hose | |
| 1951 | Chrysler | New Yorker | 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.