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Gates 18937 HVAC Heater Hose - Heater Inlet, Heater To Heater Pipe (Lower) or Heater To Pipe-1
Reliable HVAC Heater Hose for Ford, Mazda, Mercury, and Suzuki
The Gates Molded Heater Hose 18937 is engineered to provide dependable heating system performance for select Ford, Mazda, Mercury, and Suzuki vehicles. Designed with durable EPDM material and precise molded construction, this heater hose ensures a secure fit and long-lasting service in your vehicle's HVAC system.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for exact fit and easy installation
- Inside diameter of 0.62 inches (16 mm) on both ends
- Centerline length of 10.2 inches (259 mm) for accurate replacement
- Compatible with Ford Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer, Mazda Miata, Mercury models, and Suzuki Grand Vitara
About the Gates Molded Heater Hose Product Line
The Molded Heater Hose line by Gates focuses on precision-molded hoses designed to meet or exceed OEM specifications. These hoses are manufactured to provide consistent dimensions and reliable sealing, reducing the risk of leaks and HVAC system failures. Part number 18937 is part of this line, offering a tailored fit for specific vehicle models to maintain optimal heater core performance.
Product Details and Specifications
This HVAC heater hose features an inside diameter of 0.62 inches (16 mm) on both ends, ensuring compatibility with the original equipment connections. The molded construction provides a centerline length of 10.2 inches (259 mm), matching factory dimensions for a direct replacement. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding operating conditions. The absence of quick connect fittings and branches simplifies installation and reduces potential leak points.
Common Applications and Problem Solving
- Replacement of worn or cracked heater hoses in Ford Explorer and Explorer Sport models
- Restoring proper coolant flow in Mazda Miata heating systems
- Fixing leaks or blockages in Mercury Mountaineer heater hoses
- Addressing HVAC heating issues in Suzuki Grand Vitara vehicles
- Ensuring reliable heater core operation in Explorer Sport Trac models
Installation Notes and Tips
When installing the Gates Molded Heater Hose 18937, verify the hose routing matches the original to avoid kinks or interference. Ensure all clamps are securely tightened to prevent leaks. The molded design aids in proper alignment, but inspecting adjacent components for wear is recommended during replacement. Use coolant compatible with EPDM hoses to extend service life.
Quality Assurance and Warranty
Gates manufactures the Molded Heater Hose 18937 to meet stringent quality standards, ensuring durability and performance. The EPDM material and molded construction contribute to resistance against heat and chemical degradation. While specific warranty details are not provided, Gates products typically adhere to industry quality controls for automotive HVAC components.
| Brand | Gates |
| Part Number | 18937 |
| Position | Molded Heater Hose, Heater To Pipe-1, Heater To Heater Pipe (Lower), and Heater Inlet |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Centerline Length | 10.2 |
| Centerline Length | 259 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 10.2 |
| Centerline Length (mm) | 259 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Suzuki | Grand Vitara | Heater Inlet | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2009 | Suzuki | Grand Vitara | Heater Inlet | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2005 | Ford | Explorer | Heater To Pipe-1 | Molded Heater Hose |
| 2005 | Mercury | Mountaineer | Heater To Pipe-1 | Molded Heater Hose |
| 2004 | Ford | Explorer | Heater To Pipe-1 | Molded Heater Hose |
| 2004 | Mercury | Mountaineer | Heater To Pipe-1 | Molded Heater Hose |
| 2003 | Ford | Explorer | Heater To Pipe-1 | Molded Heater Hose |
| 2003 | Mercury | Mountaineer | Heater To Pipe-1 | Molded Heater Hose |
| 2002 | Ford | Explorer | Heater To Heater Pipe (Lower) | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2002 | Ford | Explorer Sport | Heater To Heater Pipe (Lower) | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2002 | Ford | Explorer Sport Trac | Heater To Heater Pipe (Lower) | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2002 | Mercury | Mountaineer | Heater To Heater Pipe (Lower) | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1997 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1996 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1995 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1994 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1993 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1992 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1991 | Mazda | Miata | Heater To Pipe-1 | Molded Heater Hose |
| 1990 | Mazda | Miata | 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.