OE Quality
60-Day Returns

Gates 23802 Radiator Coolant Hose - Upper
Overview of Gates Molded Coolant Hose 23802
The Gates Molded Coolant Hose 23802 is designed specifically for Chevrolet and GMC trucks, including the Sierra 1500 and Silverado 1500 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.
- Made from high-quality EPDM rubber for heat and chemical resistance
- Molded design for precise fit and secure installation
- Centerline length of 33.5 inches (851 mm) for accurate replacement
- Consistent inside diameter of 1.31 inches (33 mm) on both ends
- Does not contain a spring or quick connect fittings
About the Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on providing hoses that are pre-formed to match specific vehicle applications. This eliminates the need for bending or shaping during installation, reducing the risk of leaks or premature wear. The 23802 part benefits from this molded design, ensuring a precise fit for Chevrolet Sierra 1500 and Silverado 1500 cooling systems.
Detailed Product Description
This radiator coolant hose is engineered from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The molded construction of the Gates 23802 hose guarantees a consistent shape and size, with an inside diameter of 1.31 inches (33 mm) at both ends and a centerline length of 33.5 inches (851 mm). The absence of springs and quick connect fittings simplifies the hose design, focusing on durability and compatibility with the cooling system of Chevrolet and GMC trucks.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Chevrolet Sierra 1500 and Silverado 1500
- Resolving coolant leaks caused by hose degradation or improper fit
- Preventing overheating issues due to compromised coolant flow
- Addressing hose swelling or softening from heat exposure
- Ensuring proper coolant circulation with a molded, OEM-style hose
Installation Notes and Tips
Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old hose carefully to avoid damaging surrounding components. The molded design of the Gates 23802 hose allows for straightforward installation without the need for bending or modification. Use appropriate clamps to secure the hose ends and check for leaks after installation. Always verify compatibility with Chevrolet Sierra 1500 and Silverado 1500 models before proceeding.
Quality Assurance and Warranty
Gates manufactures the Molded Coolant Hose 23802 to meet or exceed OEM specifications, ensuring reliable performance and durability. The EPDM material and molded construction contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Gates |
|---|---|
| Part Number | 23802 |
| Position | Molded Coolant Hose, Upper |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 33.5 |
| Centerline Length | 851 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.31 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.31 |
| End 2 Inside Diameter | 33 |
| Material | EPDM |
| 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 |
|---|---|---|---|---|---|---|---|
| 2013 | Chevrolet | Silverado 1500 | 4.3L | V6 | GAS | Upper | Molded Coolant Hose |
| 2013 | GMC | Sierra 1500 | 4.3L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | Chevrolet | Silverado 1500 | 4.3L | V6 | GAS | Upper | Molded Coolant Hose |
| 2012 | GMC | Sierra 1500 | 4.3L | V6 | 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.