OE Quality
60-Day Returns

Gates 23199 Radiator Coolant Hose - Lower
Overview of Gates Molded Coolant Hose 23199
The Gates Molded Coolant Hose 23199 is designed specifically for Cadillac STS models, providing reliable radiator coolant flow. Constructed from durable EPDM material, this molded radiator coolant hose ensures consistent performance under varying engine temperatures.
- Made from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and durability
- End 1 inside diameter: 1.3 inches (33 mm)
- End 2 inside diameter: 1.5 inches (38 mm)
- Centerline length: 28.1 inches (714 mm)
- Contains no internal spring for flexibility
- Compatible with Cadillac STS radiator coolant systems
Detailed Product Description
The Gates Molded Coolant Hose 23199 is engineered to meet the specific cooling system requirements of Cadillac STS vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The molded design ensures a precise fit, reducing the risk of leaks and improving coolant flow efficiency. With an end 1 inside diameter of 1.3 inches (33 mm) and an end 2 inside diameter of 1.5 inches (38 mm), this hose accommodates the radiator connections accurately. The 28.1-inch (714 mm) centerline length is tailored to the STS cooling system layout, ensuring proper routing without kinks or stress points.
About the Molded Coolant Hose Product Line
The Gates Molded Coolant Hose line focuses on delivering pre-formed hoses that match exact OEM specifications for various vehicle applications. This product line emphasizes molded construction to provide consistent shape and fit, which simplifies installation and enhances system reliability. The 23199 part is part of this line, offering a direct replacement solution for Cadillac STS radiator coolant hoses.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Cadillac STS
- Resolving coolant leaks caused by hose degradation or improper fit
- Preventing overheating issues due to compromised coolant flow
- Eliminating hose collapse or kinking in the cooling system
- Maintaining optimal engine temperature regulation through reliable coolant circulation
Installation Notes and Tips
Ensure the engine is cool before removing the old coolant hose to avoid burns. Verify that the hose diameters and length match the original part to maintain proper fitment. Use appropriate clamps to secure the hose ends without over-tightening, which can damage the EPDM material. Inspect surrounding components for wear or damage during installation to prevent future leaks.
Quality Assurance and Warranty
Gates Molded Coolant Hose 23199 is manufactured to meet stringent quality standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. Warranty details should be confirmed with the product documentation or supplier, as they may vary.
| Brand | Gates |
| Part Number | 23199 |
| Position | Molded Coolant Hose, Lower |
| Material | Epdm |
| End 1 Inside Diameter | 1.3 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.5 |
| End 2 Inside Diameter | 38 |
| Contains Spring | No |
| Centerline Length | 28.1 |
| Centerline Length | 714 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Cadillac | STS | 4.4L | V8 | GAS | Lower | Molded Coolant Hose |
| 2008 | Cadillac | STS | 4.4L | V8 | GAS | Lower | Molded Coolant Hose |
| 2007 | Cadillac | STS | 4.4L | V8 | GAS | Lower | Molded Coolant Hose |
| 2006 | Cadillac | STS | 4.4L | V8 | GAS | Lower | Molded Coolant 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.