OE Quality
60-Day Returns

Gates 18875 HVAC Heater Hose - Heater To Pipe or Water Pump To Converter
Overview of Gates Molded Heater Hose 18875
The Gates Molded Heater Hose 18875 is designed for reliable HVAC system performance in select Isuzu and Nissan vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in Nissan LEAF and Isuzu Trooper models.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and secure installation
- Inside diameter of 0.62 inches (16 mm) on both ends
- Centerline length of 15.9 inches (404 mm) for accurate replacement
- Compatible with Nissan LEAF and Isuzu Trooper HVAC systems
Detailed Product Description
The Gates Molded Heater Hose 18875 is part of the Molded Heater Hose product line, which focuses on delivering pre-formed hoses that match original equipment specifications. This hose is molded to exact dimensions, including a centerline length of 15.9 inches (404 mm) and consistent inside diameters of 0.62 inches (16 mm) at both ends, ensuring a precise fit without the need for modifications. Made from EPDM material, it offers resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections in vehicles like the Nissan LEAF and Isuzu Trooper.
Applications and Problem Solving
- Replaces worn or cracked heater hoses causing coolant leaks
- Restores proper heater core flow for effective cabin heating
- Prevents overheating issues related to faulty HVAC hoses
- Eliminates noise and vibration from loose or damaged hoses
- Ensures secure connections without quick connect fittings
Installation Notes and Tips
- Verify hose dimensions against the original part before installation
- Ensure all clamps are securely tightened to prevent leaks
- Inspect surrounding components for wear during replacement
- Drain coolant system as needed to avoid spills
- Use proper tools to avoid damaging the molded hose ends
Quality Assurance and Warranty
Gates Molded Heater Hose 18875 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM construction provides resistance to heat and automotive fluids, contributing to a longer service life. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer.
| Brand | Gates |
|---|---|
| Part Number | 18875 |
| Position | Molded Heater Hose, Water Pump To Converter |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 15.9 |
| Centerline Length | 404 |
| Centerline Length (in) | 15.9 |
| Centerline Length (mm) | 404 |
| 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 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2022 | Nissan | LEAF | -L | -- | ELECTRIC | N/A | Water Pump Outlet; Molded Heater Hose |
| 2021 | Nissan | LEAF | -L | -- | ELECTRIC | N/A | Water Pump Outlet; Molded Heater Hose |
| 2020 | Nissan | LEAF | -L | -- | ELECTRIC | N/A | Water Pump Outlet; Molded Heater Hose |
| 2019 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2018 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2017 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2016 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2015 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2014 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2013 | Nissan | LEAF | -L | -- | ELECTRIC | Water Pump To Converter | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 1991 | Isuzu | Trooper | 2.6L | L4 | GAS | Heater To Pipe | Molded Heater Hose |
| 1990 | Isuzu | Trooper | 2.6L | L4 | GAS | Heater To Pipe | Molded Heater Hose |
| 1989 | Isuzu | Trooper | 2.6L | L4 | GAS | Heater To Pipe | Molded Heater Hose |
| 1988 | Isuzu | Trooper | 2.6L | L4 | GAS | Heater To Pipe | Molded Heater Hose |
| 1987 | Isuzu | Trooper | 2.3L | L4 | GAS | Heater To Pipe | Molded Heater Hose |
| 1986 | Isuzu | Trooper | 2.3L | L4 | GAS | Heater To Pipe | 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.