The Honda 19503-MB1-870 Water Hose Clamp is a genuine OEM component designed for the H5518 multi-purpose tractor. Sourced directly from Honda, this clamp is manufactured to the same specification as the original, ensuring a secure, leak-free connection in the cooling system hose circuit. Buyers should confirm the part number 19503-MB1-870 against their machine's serial number and parts diagram before ordering, as Honda supersedes parts at production breaks.
Key Features
- Genuine OEM Construction — an authentic Honda replacement that matches the original clamp's clamping force and dimensional profile, so the hose seats correctly without under- or over-clamping
- Cooling System Integrity — a properly functioning hose clamp holds the coolant hose firmly in place; a failed or loose clamp allows coolant loss and risks engine overheating
- Direct-Fit for the H5518 — engineered specifically for the H5518 multi-purpose tractor, so installation matches the original without rework
- Verify Your Serial Number — Honda updates parts at production milestones, so cross-check your tractor's serial number against the fitment table to confirm part number 19503-MB1-870 is correct for your unit
A water hose clamp secures the coolant hose to its fitting, maintaining a sealed connection in the engine's liquid cooling circuit. When the clamp weakens, loosens, or fails, the hose can slip or weep coolant — leading to overheating and potential engine damage if left unaddressed. Replacing a worn clamp with the correct OEM part restores a tight, reliable seal and keeps the cooling system operating as Honda intended on the H5518 multi-purpose tractor.
Part Details
| Part Number | 19503-MB1-870 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Water Hose Clamp |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| 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.
