The Honda 19501-ZB5-000 Upper Water Hose is a genuine OEM replacement designed for EV4010, EV6010, and EVD4010 RV generators. Sourced directly from Honda, this hose is manufactured to the same specifications as the original, ensuring a proper fit within the cooling system of your unit. Confirm your generator's serial number against the fitment table to make sure part number 19501-ZB5-000 is correct for your specific production run before ordering.
Key Features
- Genuine Honda OEM — manufactured to the same tolerances as the original hose, maintaining the integrity of the cooling circuit in your RV generator
- Correct Cooling System Fit — this hose is engineered to connect accurately within the upper cooling passage of the EV4010, EV6010, and EVD4010, with no rework needed
- Serial Number Matters — Honda updates parts at production breaks, so cross-check your generator's serial number against the fitment table to confirm this is the right hose for your unit
- Prevents Coolant Loss — a cracked or deteriorated upper water hose can lead to coolant leaks and overheating; replacing it promptly keeps the cooling system performing as designed
The upper water hose routes coolant between key points in the cooling circuit of the RV generator's engine, keeping operating temperatures within a safe and stable range. Over time, heat cycling causes rubber hoses to harden, crack, or develop pinhole leaks — even small coolant losses can cause the engine to run hot and trigger a shutdown. Replacing a worn hose with a genuine Honda part restores a sealed, properly flowing cooling circuit and protects the generator from heat-related damage.
Part Details
| Part Number | 19501-ZB5-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Upper Water Hose |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| RV Generator | EV4010, EV6010, EVD4010 | 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.