The Multiquip 13012ZE3003 Piston Ring Set (0.50) is a genuine OEM component designed for GAW180HE series gasoline arc welders, MVH304GSB heavy-duty reversible plate compactors, and GA6HZ gasoline-powered generators. As a direct OEM replacement, this oversize piston ring set is sourced to the exact specifications required by the GX340 Honda engine platform shared across these machines. Verify your engine model and bore size before ordering — the 0.50mm oversize designation means this set is intended for engines that have been bored or honed to the corresponding oversize dimension. Multiquip part number 13012ZE3003 ensures you are receiving the correct ring set for a proper, lasting engine rebuild.
Key Features
- Genuine OEM Ring Dimensions — Manufactured to the exact radial thickness, gap tolerance, and tension spec required by the GX340 Honda engine, ensuring correct cylinder sealing pressure after a bore job.
- 0.50mm Oversize Fitment — Sized specifically for engines bored to the 0.50mm oversize dimension; drop-in installation into a properly honed cylinder bore with no additional machining.
- Broad Equipment Compatibility — Fits GAW180HE, GAW180HE1, GAW180HEA gasoline arc welders, MVH304GSB plate compactors, and GA6HZ generators sharing the GX340 engine platform.
- Restored Compression and Oil Control — Worn or broken piston rings cause blow-by, oil consumption, and power loss; a correctly sized replacement ring set restores compression and keeps oil out of the combustion chamber.
- Engine Rebuild Confidence — Using the OEM-spec ring set during an overhaul protects the integrity of the entire rebuild, preventing premature wear caused by incorrect ring end gaps or improper tension.
Piston rings seal the combustion chamber between the piston and the cylinder wall, maintaining compression for efficient combustion while also controlling oil consumption by scraping excess oil back down the cylinder bore. When rings wear out, crack, or lose tension, combustion gases escape past the piston — a condition known as blow-by — which robs the engine of power, increases fuel consumption, and causes oil to burn in the combustion chamber. Replacing worn rings with the correctly sized oversize set during an engine rebuild restores like-new compression and protects the freshly machined cylinder bore from premature wear.
Part Details
| Part Number | 13012ZE3003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Ring Set (0.50) |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | GAW180HE |
| Welders | GAW180HE1 |
| Welders | GAW180HEA |
| Plate Compactors | MVH304GSB |
| Gasoline Powered Generators | GA6HZ |
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.