OE Quality
60-Day Returns

Gates 23030 Radiator Coolant Hose - Upper
Overview of Gates Molded Coolant Hose 23030
The Gates Molded Coolant Hose 23030 is designed specifically for Cadillac CTS models, providing reliable radiator coolant flow. Made from durable EPDM material, this molded radiator coolant hose ensures consistent performance under various operating conditions.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and durability
- Centerline length of 11.8 inches (300 mm) for exact fitment
- Inside diameter of 1.31 inches (33 mm) on both ends
- Compatible with Cadillac CTS radiator coolant systems
- Does not contain a spring or quick connect fittings
Detailed Product Description
The Gates Molded Coolant Hose 23030 is engineered to meet the specific cooling system requirements of Cadillac CTS 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 with a centerline length of 11.8 inches (300 mm) and consistent inside diameters of 1.31 inches (33 mm) on both ends, facilitating proper coolant flow without leaks or restrictions. This hose does not include springs or quick connect fittings, reflecting a straightforward, reliable design optimized for the CTS cooling system.
Applications and Common Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Cadillac CTS
- Prevention of coolant leaks that can cause engine overheating
- Restoration of proper coolant flow to maintain engine temperature regulation
- Elimination of hose swelling or softening due to chemical degradation
- Addressing coolant hose failures caused by aging or environmental exposure
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 23030, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose dimensions match the original part, particularly the 1.31-inch (33 mm) inside diameters and 11.8-inch (300 mm) centerline length. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.
Quality Assurance and Warranty
Gates is a recognized manufacturer of automotive cooling components, and the Molded Coolant Hose line is designed to meet OEM specifications for durability and performance. This part number 23030 undergoes rigorous quality control to ensure reliable operation in Cadillac CTS vehicles. Warranty coverage details should be confirmed with the parts distributor or manufacturer documentation.
| Brand | Gates |
| Part Number | 23030 |
| Position | Molded Coolant Hose, Upper |
| Material | Epdm |
| End 1 Inside Diameter | 1.31 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.31 |
| End 2 Inside Diameter | 33 |
| Contains Spring | No |
| Centerline Length | 11.8 |
| Centerline Length | 300 |
| 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 |
|---|---|---|---|---|---|---|---|
| 2007 | Cadillac | CTS | 6.0L | V8 | GAS | Upper | Molded Coolant Hose |
| 2006 | Cadillac | CTS | 6.0L | V8 | GAS | Upper | Molded Coolant Hose |
| 2005 | Cadillac | CTS | 5.7L | V8 | GAS | Upper | Molded Coolant Hose |
| 2004 | Cadillac | CTS | 5.7L | V8 | GAS | Upper | 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.