The Honda 14775-ZG3-000 Valve Spring Seat is a genuine OEM component designed for GD320 and GD410 horizontal shaft diesel engines. As a direct Honda OEM part, it is manufactured to the exact tolerances required for proper valve spring retention and consistent valvetrain operation. This replacement is confirmed for GD320 and GD410 diesel engines — verify your engine's serial number against the fitment table to ensure this is the correct seat for your specific unit. Honda supersedes parts at serial breaks, so confirming your serial number before ordering is always the right move.
Key Features
- Exact Spring Retention — manufactured to Honda OEM tolerances, this seat provides the precise contact surface that keeps the valve spring correctly located and maintains consistent spring pressure throughout the valve cycle.
- Genuine OEM Part — sourced directly from Honda, part number 14775-ZG3-000 carries no ambiguity about fit or specification for GD320 and GD410 diesel engines.
- Diesel Engine Fitment — designed specifically for the GD320 and GD410 horizontal shaft diesel engines; confirm your serial number against the fitment table before ordering, as Honda issues part supersessions at serial breaks.
- Valvetrain Integrity — a worn or damaged valve spring seat allows the spring to shift off-axis, leading to uneven valve seating, compression loss, and increased wear on the valve and guide.
The valve spring seat is a small but critical component in the valvetrain of the GD320 and GD410 diesel engines. It sits between the valve spring and the cylinder head, providing a flat, stable bearing surface that keeps the spring centered and maintains consistent load against the valve. When this seat is worn, cracked, or improperly seated, the valve spring can shift, causing the valve to seat unevenly — the result is lost compression, rough running, and accelerated wear on surrounding valvetrain components. Replacing a damaged seat restores the geometry the valvetrain depends on for smooth, efficient diesel engine operation.
Part Details
| Part Number | 14775-ZG3-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Valve Spring Seat |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Diesel Engine | GD320, GD410 | 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.
