The Honda 25430-VD6-801 Relief Valve Assembly is a genuine OEM component designed for H4514 and H4518 lawn tractors. Sourced directly from Honda, this assembly carries the exact specifications Honda engineers built into these machines, ensuring the hydraulic system operates within its intended pressure range. Confirm your tractor's serial number against the fitment table before ordering, as Honda supersedes parts at specific serial breaks.
Key Features
- Genuine Honda OEM — a direct Honda-sourced assembly with the correct pressure rating and valve geometry for the H4514 and H4518 hydraulic systems, not an approximation.
- Exact-Fit Replacement — this assembly installs directly in place of the original, with no adaptation required to the hydraulic circuit it serves.
- Confirmed Fitment — designed for H4514 and H4518 lawn tractors; verify your unit's serial number against the compatibility table to confirm the correct part for your serial range.
- Hydraulic System Integrity — a properly functioning relief valve holds system pressure within safe operating limits; a failed or stuck valve can result in sluggish lift response or uncontrolled pressure buildup in the hydraulic circuit.
A relief valve assembly regulates pressure within the hydraulic system of a lawn tractor. When system pressure reaches its set threshold — during a lift cycle or under load — the valve opens to divert fluid and prevent pressure from climbing beyond safe limits. Without a properly functioning relief valve, the hydraulic system cannot protect itself from over-pressurization, leading to degraded implement control, accelerated seal wear, or damage to other hydraulic components. Replacing a worn or failed relief valve assembly restores correct pressure regulation and keeps the hydraulic circuit performing as designed.
Part Details
| Part Number | 25430-VD6-801 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Relief Valve Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | H4514, H4518 | 1006847-9999999 |
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.
