OE Quality
60-Day Returns

Gates 19516 HVAC Heater Hose - Connector To Heater or Heater To Connector
Overview of Gates Molded Heater Hose 19516
The Gates Molded Heater Hose 19516 is designed specifically for Dodge Ram 1500, Ram 2500, and Ram 3500 models. Constructed from durable EPDM material, this molded heater hose ensures reliable performance in your vehicle's HVAC system.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for precise fit and easy installation
- Inside diameter of 0.62 inches (16 mm) on both ends
- Centerline length of 30.1 inches (765 mm) for accurate fitment
- No quick connect fittings or branches, ensuring straightforward replacement
Detailed Product Description
The Gates Molded Heater Hose 19516 is engineered to meet the specific HVAC hose requirements of Dodge Ram 1500, Ram 2500, and Ram 3500 trucks. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. The molded construction provides a precise shape that matches OEM specifications, reducing the risk of leaks and ensuring a secure fit. Both ends of the hose have an inside diameter of 0.62 inches (16 mm), and the centerline length measures 30.1 inches (765 mm), which aligns with factory dimensions for these Dodge Ram models.
About the Molded Heater Hose Product Line
The Gates Molded Heater Hose product line focuses on delivering hoses that are pre-formed to exact OEM shapes and sizes. This eliminates the need for bending or cutting during installation, reducing installation time and potential errors. The molded design also helps maintain consistent coolant flow and prevents kinks or restrictions in the HVAC system. The 19516 part is a representative example of this line, tailored for Dodge Ram trucks requiring a reliable heater hose replacement.
Common Applications and Issues Addressed
- Replacement of cracked or leaking heater hoses in Dodge Ram 1500, 2500, and 3500 HVAC systems
- Restoring proper coolant flow to the heater core
- Preventing coolant leaks that can cause engine overheating or interior damage
- Eliminating hose collapse or kinking that restricts heater performance
- Maintaining HVAC system efficiency and vehicle comfort
Installation Notes and Tips
- Verify hose dimensions and fitment with your specific Dodge Ram model before installation
- Ensure all clamps and connections are secure to prevent leaks
- Drain coolant system partially before removing the old hose to minimize spillage
- Inspect surrounding components for wear or damage during replacement
- Use proper tools to avoid damaging the molded hose during installation
Quality Assurance and Warranty
Gates is a recognized manufacturer of automotive hoses and components, adhering to strict quality standards. The Molded Heater Hose 19516 is manufactured to meet or exceed OEM specifications for durability and performance. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Gates |
| Part Number | 19516 |
| Position | Molded Heater Hose, Connector To Heater |
| 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 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2005 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2005 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2005 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2005 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2005 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2004 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2004 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2004 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2004 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2004 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2004 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2003 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2003 | Dodge | Ram 1500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2003 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2003 | Dodge | Ram 2500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2003 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Connector To Heater | Molded Heater Hose |
| 2003 | Dodge | Ram 3500 | 5.7L | V8 | GAS | Heater To Connector | Radiator and HVAC compatible coolant and heater hose.; 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.