OE Quality
60-Day Returns

Gates 18815 HVAC Heater Hose - Heater To Engine or Heater To Pipe-1
Overview of Gates Molded Heater Hose 18815
The Gates Molded Heater Hose 18815 is designed for reliable HVAC system performance in Dodge Mighty Max and Mitsubishi Ram 50 vehicles. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and easy installation
- Centerline length of 251 mm (9.9 inches) for accurate replacement
- Inside diameter of 0.62 inches (16 mm) on both ends
- Compatible with Dodge Mighty Max and Mitsubishi Ram 50 HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 18815 is engineered to meet the specific HVAC hose requirements of Dodge Mighty Max and Mitsubishi Ram 50 models. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, this hose maintains integrity under demanding engine bay conditions. The molded construction ensures a precise shape that matches OEM specifications, reducing the risk of leaks and improving system efficiency. With a centerline length of 251 mm (9.9 inches) and an inside diameter of 0.62 inches (16 mm) on both ends, this heater hose provides a direct replacement solution for HVAC heater core connections.
About the Molded Heater Hose Product Line
The Gates Molded Heater Hose line focuses on delivering pre-formed hoses that fit specific vehicle applications without the need for bending or modification. This product line emphasizes exact fitment and durability, helping to maintain proper coolant flow within the HVAC system. The molded design of the 18815 part number ensures compatibility with Dodge Mighty Max and Mitsubishi Ram 50 models, streamlining installation and reducing potential HVAC system failures.
Common Applications and Issues Addressed
- Replacement of cracked or leaking heater hoses in Dodge Mighty Max and Mitsubishi Ram 50
- Restoring proper coolant flow to the HVAC heater core
- Eliminating overheating or insufficient cabin heat caused by faulty hoses
- Preventing coolant leaks that can damage engine components
- Maintaining HVAC system efficiency and vehicle comfort
Installation Notes and Tips
- Verify hose dimensions and fitment with your vehicle before installation
- Ensure all clamps and connections are secure to prevent leaks
- Drain coolant system partially before removing the old heater hose
- Inspect surrounding components for wear or damage during replacement
- Refill and bleed the cooling system after installation to avoid air pockets
Quality Assurance and Warranty
Gates Molded Heater Hose 18815 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded design contribute to long service life under typical operating conditions. While specific warranty details are not provided here, Gates products generally come with manufacturer-backed warranties covering defects in materials and workmanship. Consult product packaging or official Gates documentation for exact warranty terms.
| Brand | Gates |
| Part Number | 18815 |
| Position | Molded Heater Hose, Heater To Engine |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 9.9 |
| Centerline Length | 251 |
| Centerline Length (in) | 9.9 |
| Centerline Length (mm) | 251 |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Material | EPDM |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1989 | Dodge | Ram 50 | 2.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1989 | Mitsubishi | Mighty Max | 2.6L | L4 | GAS | Heater To Pipe-1 | Molded Heater Hose |
| 1988 | Dodge | Ram 50 | 2.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1988 | Mitsubishi | Mighty Max | 2.6L | L4 | GAS | Heater To Pipe-1 | Molded Heater Hose |
| 1987 | Dodge | Ram 50 | 2.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1987 | Mitsubishi | Mighty Max | 2.6L | L4 | GAS | Heater To Pipe-1 | Molded Heater 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.