The Honda 13101-Z3V-000 Piston is a genuine OEM component designed for GX50 horizontal shaft engines. Sourced directly from Honda, this piston is manufactured to the exact dimensions required for proper bore fit, ring groove geometry, and wrist pin alignment in the GX50. If your engine is showing signs of low compression, excessive oil consumption, or worn bore clearances, this is the correct OEM replacement to restore it to spec. Confirm the part number 13101-Z3V-000 against your engine's serial number using the fitment table before ordering.
Key Features
- Exact Bore Dimensions — manufactured to OEM tolerances for proper ring seal and bore clearance in the GX50, ensuring combustion pressure is contained and oil stays where it belongs
- OEM Honda Component — genuine Honda part, not a pattern substitute; ring grooves, pin bore, and crown profile match the original design exactly
- GX50 Fitment — designed specifically for GX50 horizontal shaft engines; verify your engine serial number against the fitment table to confirm this piston is correct for your serial range
- Compression Restoration — a worn or scored piston is the leading cause of lost compression and increased blowby in small-displacement engines; replacing it with this OEM piston brings combustion efficiency back to the original standard
The piston is the reciprocating heart of a four-stroke engine — it travels up and down in the cylinder bore, compressing the air-fuel mixture on the upstroke and transferring the force of combustion to the crankshaft on the power stroke. In a compact engine like the GX50, precise piston-to-bore clearance is especially critical: too loose and combustion gases blow past the rings, robbing power and fouling oil; too tight and the piston seizes. When a piston wears, becomes scored, or cracks, the engine loses compression, burns oil, and eventually refuses to start or run under load. Replacing it with the correct OEM piston restores the tight tolerances the GX50 was built to.
Part Details
| Part Number | 13101-Z3V-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Piston |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX50 | 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.