The Multiquip 1G96021090 Piston Ring Assembly +0.25mm is a genuine OEM component designed for the DLW330X2 diesel light welder. This oversized +0.25mm ring set is a direct OEM replacement sourced through authorized Multiquip channels, ensuring the correct dimensional spec for engines requiring a first oversize bore. Confirmed fitment for DLW330X2 series equipment makes this the right call when rebuilding the engine on your light welder.
Key Features
- Oversize OEM Specification — Ground to the exact +0.25mm oversize tolerance required for a first-stage bore, ensuring proper ring-to-wall contact and compression seal.
- Genuine Multiquip OEM Part — Sourced directly from Multiquip as an authorized OEM assembly, matching the original ring profile, material grade, and tension spec of the engine it replaces.
- Direct Engine Rebuild Fit — Drops into the rebored cylinder as a complete ring set assembly, eliminating the guesswork of sourcing individual rings and confirming correct end-gap alignment on installation.
- Confirmed Fitment for DLW330X2 — Verified for the DLW330X2 diesel light welder, so you can order with confidence when sourcing oversize rings for this machine's engine rebuild.
- Compression and Oil Control Restored — A correctly sized ring set restores cylinder sealing across compression, intermediate, and oil control rings, bringing engine output and fuel efficiency back to operating spec after a bore job.
Piston rings form the critical seal between the piston and the cylinder wall, maintaining compression in the combustion chamber and controlling oil consumption. When rings wear or lose tension, the engine loses compression, burns oil, and produces less power — symptoms that directly affect the welder's ability to maintain stable voltage output under load. A +0.25mm oversize ring set like the part is used during engine overhaul after the cylinder has been bored to first oversize, restoring the tight clearance needed for efficient combustion and long engine life.
For questions about fitment or to confirm this is the correct oversize specification for your DLW330X2 engine, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 1G96021090 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Ring Assembly +0.25mm |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW330X2 |
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.