OE Quality
60-Day Returns

Gates 23512 Radiator Coolant Hose - Upper
Overview of Gates Molded Coolant Hose 23512
The Gates Molded Coolant Hose 23512 is designed specifically for Acura MDX vehicles, providing reliable radiator coolant flow. Constructed from durable EPDM material, this molded hose ensures consistent performance and longevity in your vehicle's cooling system.
- Made from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and secure connections
- Centerline length of 18.7 inches (475 mm) for accurate replacement
- End 1 and End 2 inside diameters both measure 1.21 inches (31 mm)
- Does not contain a spring or quick connect fittings
Details on the Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on delivering 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 improper fit. The 23512 part is molded to fit the cooling system requirements of the Acura MDX, ensuring compatibility and ease of installation.
Technical Description and Specifications
This radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The hose features a centerline length of 18.7 inches (475 mm), with both ends having an inside diameter of 1.21 inches (31 mm), providing a consistent flow path for coolant circulation. The molded construction ensures the hose maintains its shape and fits securely without the need for additional springs or quick connect fittings.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses on Acura MDX models
- Resolving coolant leaks caused by hose degradation or improper fit
- Maintaining optimal engine temperature by ensuring proper coolant flow
- Preventing overheating issues related to faulty or damaged hoses
- Supporting the cooling system integrity during routine maintenance
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 23512, ensure the engine is cool to avoid burns or injury. Verify that the hose dimensions match the original part, particularly the 1.21 inch (31 mm) inside diameters and 18.7 inch (475 mm) length. Use appropriate clamps to secure the hose ends firmly, and inspect for any signs of twisting or kinking during installation. Proper installation will help maintain the cooling system's efficiency and prevent leaks.
Quality Assurance and Warranty
Gates manufactures the Molded Coolant Hose 23512 to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to a reliable service life under normal operating conditions. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Gates |
| Part Number | 23512 |
| Position | Molded Coolant Hose, Upper |
| Material | Epdm |
| End 1 Inside Diameter | 1.21 |
| End 1 Inside Diameter | 31 |
| End 2 Inside Diameter | 1.21 |
| End 2 Inside Diameter | 31 |
| Contains Spring | No |
| Centerline Length | 18.7 |
| Centerline Length | 475 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Acura | MDX | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2008 | Acura | MDX | 3.7L | V6 | GAS | Upper | Molded Coolant Hose |
| 2007 | Acura | MDX | 3.7L | 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.