The Honda 19501-769-000 Upper Water Hose A is a genuine OEM replacement designed for GX640 horizontal shaft engines and H5518 multi-purpose tractors. As an authentic Honda part, it is manufactured to the same specifications as the original, ensuring a correct, trouble-free installation. Confirm your machine's serial number against the fitment table before ordering, as Honda supersedes parts at production breaks and the correct hose for your unit depends on the serial range.
Key Features
- Genuine Honda OEM Quality — sourced directly from Honda, this hose matches the original in dimensions, material grade, and routing geometry, so coolant flow is not compromised by an undersized or improperly formed aftermarket substitute.
- Direct OEM Replacement — engineered to the same connection points and routing path as the part it replaces, allowing straightforward installation without reworking hose ends or fittings.
- Broad Fitment Coverage — compatible with GX640 horizontal shaft engines and H5518 multi-purpose tractors, including multiple serial ranges; check the fitment table to confirm the correct application for your unit.
- Coolant System Integrity — a deteriorated or split upper water hose causes coolant loss, leading to overheating and potential engine damage; replacing it at the first sign of cracking or softness protects the engine from thermal stress.
The Upper Water Hose A carries coolant between the engine and the cooling system's upper circuit, maintaining the flow needed to keep operating temperatures within the engine's designed range. When this hose softens, cracks, or collapses internally, coolant circulation is disrupted and the engine can overheat rapidly. Replacing a worn hose promptly with a properly sized OEM part restores full cooling capacity and prevents the secondary damage that heat stress causes to gaskets, cylinder heads, and other internal components.
Part Details
| Part Number | 19501-769-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Upper Water Hose A |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX640 | All |
| Multi-Purpose Tractor | H5518 | 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.