OE Quality
60-Day Returns

Gates 19337 HVAC Heater Hose - Heater (Lower)
Overview of Gates Molded Heater Hose 19337
The Gates Molded Heater Hose 19337 is designed specifically for Mazda 6 models, providing reliable HVAC system performance. 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
- Inside diameter of 0.62 inches (16 mm) on both ends for precise fit
- Centerline length of 30.1 inches (765 mm) for exact replacement
- Molded design for secure, leak-free connections
- Compatible with Mazda 6 HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 19337 is engineered to meet the specific HVAC requirements of Mazda 6 vehicles. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids, this hose maintains integrity under demanding engine compartment conditions. Both ends feature an inside diameter of 0.62 inches (16 mm), ensuring a precise fit with OEM components. The molded construction eliminates the need for additional clamps or fittings, reducing the risk of leaks and simplifying installation. With a centerline length of 30.1 inches (765 mm), this hose matches the original equipment specifications for seamless integration.
About the Molded Heater Hose Product Line
The Molded Heater Hose line by Gates focuses on delivering pre-formed hoses that fit specific vehicle applications without modification. This product line emphasizes durability and exact fitment, reducing installation time and improving HVAC system reliability. The 19337 part exemplifies these qualities, tailored for Mazda 6 models requiring a molded heater hose with precise dimensions and material properties.
Common Applications and Problem Resolution
- Replacement of cracked or leaking heater hoses in Mazda 6 HVAC systems
- Restoring proper coolant flow to the heater core
- Eliminating coolant odors inside the vehicle cabin
- Preventing overheating issues related to faulty heater hoses
- Maintaining HVAC system efficiency and passenger comfort
Installation Notes and Tips
- Verify hose dimensions against the original part before installation
- Ensure all connections are clean and free of debris for a secure fit
- Use appropriate tools to avoid damaging the molded ends during installation
- Check for leaks after installation by running the engine and monitoring the HVAC system
- Replace any worn clamps or fittings to maintain system integrity
Quality Assurance and Warranty
Gates manufactures the Molded Heater Hose 19337 to meet stringent quality standards, ensuring durability and performance in automotive HVAC applications. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For exact warranty information, consult the product documentation or Gates directly.
| Brand | Gates |
| Part Number | 19337 |
| Position | Molded Heater Hose, Heater (Lower) |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 30.1 |
| Centerline Length | 765 |
| Centerline Length (in) | 30.1 |
| Centerline Length (mm) | 765 |
| 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 3 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2005 | Mazda | 6 | Automatic | 3.0L | V6 | GAS | Heater (Lower) | Molded Heater Hose |
| 2004 | Mazda | 6 | Automatic | 3.0L | V6 | GAS | Heater (Lower) | Molded Heater Hose |
| 2003 | Mazda | 6 | Automatic | 3.0L | V6 | GAS | Heater (Lower) | 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.