The Honda 25431-VD6-010 Relief Valve Spring is a genuine OEM component designed for H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors. As an authentic Honda part, it is manufactured to the same specifications as the original, ensuring correct valve actuation pressure within the hydraulic or lubrication circuit it serves. Confirm your machine's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and this spring may not interchange across all production runs.
Key Features
- Genuine OEM Tension Consistency — manufactured to Honda's original spring rate, so the relief valve opens and closes at the pressure the system was designed around, not a rough approximation
- Direct OEM Replacement — an exact substitute for the original spring, dropping into the relief valve assembly without modification
- Broad Fitment — covers H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors; verify your serial number against the fitment table to confirm the correct part for your unit
- System Pressure Integrity — a fatigued or broken spring allows the relief valve to open prematurely or fail to open at all, both of which can starve or overload the downstream circuit and lead to costly damage
A relief valve spring holds the relief valve ball or poppet closed against system pressure until that pressure reaches a set threshold. When pressure climbs beyond the design limit — due to a blockage, an overloaded circuit, or a cold start surge — the spring yields, allowing the valve to open and divert fluid back to the reservoir or sump, protecting seals, lines, and downstream components from overpressure damage. When the spring weakens through fatigue or corrosion, the valve cracks open at lower-than-intended pressures, robbing the system of the pressure it needs to operate correctly. Replacing a worn spring with a genuine Honda part restores the precise cracking pressure the hydraulic or lubrication system relies on to protect the H3011, H3013, H4514, and H4518.
Part Details
| Part Number | 25431-VD6-010 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Relief Valve Spring |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | H4514, H4518 | 1006847-9999999 |
| Riding Mower | H3011, H3013 | 6004695-9999999 |
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.
