OE Quality
60-Day Returns

Gates 51413 Radiator Coolant Hose - Upper
Overview of Gates Molded Coolant Hose 51413
The Gates Molded Coolant Hose 51413 is designed specifically for Mercedes-Benz C300 and C350e models. Constructed from durable EPDM, plastic, and steel materials, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.
- Material composition: EPDM, plastic, and steel for durability and heat resistance
- End 1 and End 2 inside diameter: 1.8 inches (46 mm)
- Centerline length: 14.75 inches (375 mm)
- Includes 2 female quick connectors for secure attachment
- Does not contain a spring, ensuring consistent coolant flow
Detailed Product Description
The Gates Molded Coolant Hose 51413 is engineered to meet the specific cooling requirements of Mercedes-Benz C300 and C350e vehicles. Its construction from EPDM rubber combined with plastic and steel components provides excellent resistance to heat, pressure, and coolant chemicals. The hose features a centerline length of 14.75 inches (375 mm) and identical inside diameters of 1.8 inches (46 mm) on both ends, allowing for a precise fit within the cooling system. The inclusion of two female quick connectors facilitates straightforward installation and secure connections without the need for additional clamps or springs.
This hose is part of the Gates Molded Coolant Hose product line, which focuses on delivering pre-formed, application-specific hoses designed to match original equipment specifications. This ensures compatibility and reliable performance in demanding automotive cooling applications.
Common Applications and Issues Addressed
- Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz C300 and C350e
- Prevention of coolant leaks caused by hose degradation or improper fit
- Restoration of proper coolant flow to maintain engine temperature regulation
- Elimination of overheating issues related to faulty or damaged hoses
- Upgrade to OEM-quality molded hoses for improved durability and fitment
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 51413, ensure the vehicle is cool and the cooling system is depressurized. Verify that the hose's inside diameters and length match the original hose specifications. The two female quick connectors simplify attachment; however, inspect connectors for any debris or damage before installation. Properly secure the hose to prevent leaks and ensure optimal coolant flow.
Quality Assurance and Warranty
Gates is a recognized manufacturer of automotive cooling components, and the Molded Coolant Hose 51413 is built to meet stringent quality standards. While specific warranty details are not provided, Gates products typically undergo rigorous testing to ensure durability and performance in OEM applications. This hose is designed to provide reliable service life when installed according to manufacturer guidelines.
| Brand | Gates |
| Part Number | 51413 |
| Position | Molded Coolant Hose, Upper |
| Material | Epdm, plastic, steel |
| End 1 Inside Diameter | 1.8 |
| End 1 Inside Diameter | 46 |
| End 2 Inside Diameter | 1.8 |
| End 2 Inside Diameter | 46 |
| Contains Spring | No |
| Centerline Length | 14.75 |
| Centerline Length | 375 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 2 |
| 9940 | Yes |
| 9942 | 2 female quick connectors |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Mercedes-Benz | C300 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2018 | Mercedes-Benz | C350e | 2.0L | L4 | PLUG-IN HYBRID EV-GAS (PHEV) | Upper | Molded Coolant Hose |
| 2017 | Mercedes-Benz | C300 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2016 | Mercedes-Benz | C300 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2015 | Mercedes-Benz | C300 | 2.0L | L4 | 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.