The Multiquip 1943921910 is a genuine OEM Piston 0.5mm Oversize DCA15SPX V1902 designed for the DCA-15SPX ultra-silent diesel generator and its V1902 engine. Sourced directly from Multiquip, this oversize piston is manufactured to exact OEM tolerances, ensuring a proper fit during engine rebuild or overhaul procedures. It is compatible with DCA-15SPX units equipped with the Kubota V1902 diesel engine, making it the correct choice when standard-bore clearances are no longer within spec.
Key Features
- OEM-Matched Oversize Tolerance — Manufactured to the precise 0.5mm oversize specification required after cylinder bore honing, ensuring correct piston-to-wall clearance in the V1902 engine.
- Direct Engine Rebuild Fit — Engineered as a drop-in replacement for the rebored V1902 cylinder, supporting a complete and proper engine overhaul without improvised fitting.
- Confirmed Fitment — Verified for use with Multiquip DCA-15SPX ultra-silent generator units powered by the Kubota V1902 diesel engine.
- Restored Compression and Power Output — A correctly sized oversize piston restores proper cylinder seal and compression, bringing the generator back to rated power output and fuel efficiency after wear.
- Genuine Multiquip OEM Component — As an authentic OEM part, this part meets the material and dimensional standards of the original engine build, supporting long-term engine integrity after rebuild.
The piston is the reciprocating component inside the engine cylinder that converts combustion pressure into mechanical force, driving the crankshaft and ultimately producing electrical power output at the generator head. Over time, normal engine wear causes the cylinder bore and piston to lose their original fit, resulting in reduced compression, increased oil consumption, and loss of power. An oversize piston — used in conjunction with professional cylinder boring — restores the correct fit between the piston and cylinder wall, returning the engine to proper operating condition. When this component wears beyond service limits, the engine will run poorly, consume excess oil, and may eventually fail to start or sustain load.
For fitment questions or to confirm this part is correct for your DCA-15SPX unit, contact the DHS Equipment team for assistance.
Part Details
| Part Number | 1943921910 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston 0.5mm Oversize DCA15SPX V1902 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-15SPX | DCA-15SPX |
| V1902 | V1902 |
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.
