The Honda 19503-ZA0-800 Water Hose B is a genuine OEM Water Hose B designed for the EX5500 generator. As a factory-sourced component, this hose is manufactured to Honda's exact specifications, ensuring a correct connection and proper coolant flow within the generator's cooling circuit. Confirm your unit's serial number against the fitment table to verify this is the right hose for your machine before ordering.
Key Features
- Genuine OEM Construction — sourced directly from Honda, this hose meets the same dimensional and material standards as the part it replaces, delivering the sealing integrity a cooling circuit depends on.
- Direct-Fit Replacement — engineered specifically for the EX5500 generator, this part connects without modification, restoring the cooling system to its original configuration.
- Serial Number Verification Recommended — Honda supersedes parts at serial breaks, so cross-check your EX5500's serial number against the fitment table to confirm part number 19503-ZA0-800 is correct for your unit.
The Water Hose B is part of the EX5500 generator's internal cooling circuit, routing coolant between key components to regulate operating temperature. A hose in good condition maintains a sealed, leak-free flow path; a cracked, swollen, or deteriorated hose can allow coolant to escape, leading to overheating and potential engine damage. Replacing a worn hose with the correct OEM part restores the integrity of the cooling system and keeps the generator running within its designed temperature range.
Part Details
| Part Number | 19503-ZA0-800 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Water Hose B |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX5500 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
