/live/media/ZO/ZO_18888_Fro.jpg)
OE Quality
60-Day Returns
Gates 18888 HVAC Heater Hose - Heater To Engine or Valve To Engine
Gates Molded Heater Hose 18888
Gates 18888 is a molded heater hose built for tight engine bays where a straight hose will not route cleanly. This OEM-style coolant hose uses EPDM construction and is shaped to match factory routing for reliable service in heating and cooling circuits.
Key Features
- Factory-molded, OE-style hose for precise routing
- EPDM construction for coolant, water, and air applications
- Small inside diameter of 16 mm at both ends
- Centerline length of 462 mm for factory-style fitment
- Approved for marine applications
- Gates Molded Heater Hose line for compact engine compartment applications
Product Details
This Gates molded coolant hose is part of the Molded Heater Hose line and is made to serve in smaller, tighter-fitting engine compartments where routing and clearance matter. Part number 18888 is a molded heater hose with a 16 mm inside diameter at each end and an 18.2 in. centerline length, making it a direct-style replacement for factory hose routing. It is listed for 1990-1992 Geo Prizm, Heater To Engine, and 1986-1992 Toyota Supra, Valve To Engine. This part cross-references CSF 10888 for the same application.
Common Uses
- Replacing a cracked or hardened heater hose
- Restoring coolant flow between the heater circuit and engine
- Addressing leaks at molded hose bends or aging rubber sections
- Correcting routing issues in compact engine compartments
- Servicing a 1990-1992 Geo Prizm heater to engine hose or 1986-1992 Toyota Supra valve to engine hose
Installation Notes
Verify hose routing, end diameters, and centerline length before installation. Match the molded shape to the original hose path to avoid kinks, twist, or contact with nearby components. Inspect clamps, fittings, and adjoining coolant passages for wear or corrosion before reassembly.
Quality Assurance
Gates is known for producing OE-style hose components for automotive cooling and HVAC service. Part number 18888 is built from EPDM and shaped for factory-style fitment in confirmed applications.
| Brand | Gates |
|---|---|
| Part Number | 18888 |
| Position | Molded Heater Hose, Heater To Engine and Valve To Engine |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Centerline Length | 18.2 |
| Centerline Length | 462 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 18.2 |
| Centerline Length (mm) | 462 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1992 | Geo | Prizm | GSi | 1.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1992 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1991 | Geo | Prizm | GSi | 1.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1991 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1990 | Geo | Prizm | GSi | 1.6L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 1990 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1989 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1988 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1987 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | Molded Heater Hose | |
| 1986 | Toyota | Supra | 3.0L | L6 | GAS | Valve To Engine | 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.