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Gates 18999 HVAC Heater Hose - Valve To Engine or Valve-1 To Engine
| Brand | Gates 18999 |
|---|---|
| Position | Valve-1 To Engine |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 26.7 |
| Centerline Length | 678 |
| Centerline Length (in) | 26.7 |
| Centerline Length (mm) | 678 |
| 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 |
| Product line | Molded Heater Hose |
| Fits | Honda · 4 vehicles |
Factory-molded design. OEM-style hose for a precise, ready-to-fit replacement.
EPDM construction. Handles coolant, water, and air applications with dependable flexibility.
Marine approved. Suitable for marine use as well as standard coolant service.
Cross-references Continental 63323, Gates 18999 and 10999 for the same application. See all 6.
Gates Molded Heater Hose for Honda Prelude
The Gates 18999 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory routing. It is formed to match the original path on select Honda Prelude applications, helping maintain proper coolant flow in compact HVAC and cooling system layouts.
Key Features
- Brand: Gates Molded Heater Hose
- Part number: 18999
- Material: EPDM for coolant, water, and air service
- Factory-molded shape for smaller, tighter engine compartments
- End 1 inside diameter: 0.62 in. (16 mm)
- End 2 inside diameter: 0.62 in. (16 mm)
- Centerline length: 26.7 in. (678 mm)
- Molded hose construction for OE-style routing
- Approved for marine applications
Product Details
Gates Molded Heater Hose 18999 is part of the Molded Heater Hose line, which focuses on factory-shaped replacement hoses for vehicles with limited underhood space. This hose uses EPDM construction and a molded profile to follow the original coolant hose path more closely than straight universal hose, making it a practical choice for HVAC heater hose replacement on select Honda Prelude models. It is also suitable for coolant, water, and air applications, and Gates notes marine approval for this hose design.
Compatible With 1993 Honda Prelude, Valve To Engine, and 1994-1996 Honda Prelude, Valve-1 To Engine. This part cross-references Continental 63323 for the same application.
Common Uses
- Replacing a cracked or hardened heater hose
- Restoring coolant circulation between the valve and engine
- Addressing leaks at a molded hose section
- Correcting hose routing in a tight engine compartment
- Servicing HVAC heater hose connections on Honda Prelude models
Installation Notes
Verify end diameters and centerline length before installation to confirm routing and fitment. Inspect adjoining fittings, clamps, and connection points for wear or corrosion before transferring the new hose into service. Because this is a molded hose, align it to the original path during installation to avoid kinks or tension at the ends.
Quality Assurance
Gates is a recognized supplier of molded cooling and heater hose products, and this hose is built to OE-style dimensions for the listed Honda Prelude applications. Part number 18999 is manufactured with EPDM material and molded construction to support consistent fitment in compact engine layouts.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1996 | Honda | Prelude | 2.2L | L4 | GAS | Valve-1 To Engine | Molded Heater Hose |
| 1995 | Honda | Prelude | 2.2L | L4 | GAS | Valve-1 To Engine | Molded Heater Hose |
| 1994 | Honda | Prelude | 2.2L | L4 | GAS | Valve-1 To Engine | Molded Heater Hose |
| 1993 | Honda | Prelude | 2.2L | L4 | GAS | Valve To Engine | Molded Heater Hose |
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