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Dayco 72983 Radiator Coolant Hose - Lower or Upper
Durable Radiator Coolant Hose for Lexus and Subaru Vehicles
The Dayco Curved Radiator Hose 72983 is engineered to provide reliable coolant flow for select Lexus and Subaru models. Designed with precision, this radiator coolant hose ensures optimal fit and performance for vehicles like the Lexus IS250, IS300, IS350, and Subaru Forester and WRX.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Black color with consistent dimensions: 1 15/32 inch inside diameter on both ends
- Single inside diameter hose type for uniform coolant flow
- Complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Trunk height of 10 1/2 inches for proper routing in engine bay
- Part number 72983 ensures exact replacement fitment
About the Dayco Curved Radiator Hose Product Line
The Curved Radiator Hose line by Dayco focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system requirements. This product line emphasizes durability and compliance with industry SAE standards, making it suitable for maintaining proper coolant circulation in various automotive applications. The 72983 hose is part of this line, designed to meet the exacting needs of Lexus and Subaru cooling systems.
Product Details and Specifications
This radiator coolant hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals, ensuring long service life. Both ends of the hose have an inside diameter of 1 15/32 inches and an outside diameter of 1 27/32 inches, providing a secure and leak-resistant connection. The hose does not include a heat shield or protective sleeve, which is typical for this type of single inside diameter hose. Its trunk height measures 10 1/2 inches, allowing it to fit precisely within the engine compartment of compatible Lexus and Subaru models.
Compatible Vehicles and Common Applications
- Replacement radiator coolant hose for Lexus IS250, IS300, and IS350
- Suitable for Subaru Forester and WRX models requiring a curved radiator hose
- Addresses issues such as coolant leaks, hose cracking, and overheating due to worn or damaged hoses
- Helps maintain proper coolant flow and engine temperature regulation
- Prevents coolant system failures related to hose degradation
Installation Notes and Tips
Ensure the engine is cool before removing the old radiator hose to avoid burns. Verify that the hose dimensions match the original part, especially the inside diameters and trunk height. Use appropriate clamps to secure the hose ends and check for leaks after installation. Inspect surrounding components for wear or damage during replacement to maintain overall cooling system integrity.
Quality Assurance and Warranty
Dayco manufactures this radiator coolant hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for durability and performance. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to support reliable operation in automotive cooling systems.
| Brand | Dayco |
| Part Number | 72983 |
| Position | Curved Radiator Hose, Lower and Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 15/32 |
| End 2 Inside Diameter | 1 15/32 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| End 1 Outside Diameter | 1 27/32 |
| End 2 Outside Diameter | 1 27/32 |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 10 1/2 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Lexus | IS300 | 3.5L | V6 | Upper | Curved Radiator Hose |
| 2018 | Lexus | IS350 | Upper | To 10/2017; Curved Radiator Hose | ||
| 2017 | Lexus | IS300 | Upper | Curved Radiator Hose | ||
| 2017 | Lexus | IS350 | Upper | Curved Radiator Hose | ||
| 2017 | Subaru | Forester | 2.0L | H4 | Lower | Curved Radiator Hose |
| 2017 | Subaru | WRX | Lower | Curved Radiator Hose | ||
| 2016 | Lexus | IS300 | Upper | Curved Radiator Hose | ||
| 2016 | Lexus | IS350 | Upper | Curved Radiator Hose | ||
| 2016 | Subaru | Forester | 2.0L | H4 | Lower | Curved Radiator Hose |
| 2016 | Subaru | WRX | 2.0L | H4 | Lower | Curved Radiator Hose |
| 2015 | Lexus | IS250 | Upper | Curved Radiator Hose | ||
| 2015 | Lexus | IS350 | Upper | Curved Radiator Hose | ||
| 2015 | Subaru | Forester | 2.0L | H4 | Lower | Curved Radiator Hose |
| 2015 | Subaru | WRX | 2.0L | H4 | Lower | Curved Radiator Hose |
| 2014 | Lexus | IS250 | Upper | Curved Radiator Hose | ||
| 2014 | Lexus | IS350 | Upper | Curved Radiator Hose | ||
| 2014 | Subaru | Forester | 2.0L | H4 | Lower | Curved Radiator Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.