The Multiquip 8941140491 Ring Snap Piston Pin DCA-25USI 4LE2 is a genuine OEM component designed for the DCA25USI ultra-silent diesel generator. Sourced directly from Multiquip, this snap ring is an exact match for the original part, ensuring correct seating and retention of the piston pin within the 4LE2 engine assembly. Confirmed fitment for the DCA25USI makes this the straightforward choice when performing internal engine service on this generator model.
Key Features
- Genuine OEM Retention Integrity — Manufactured to the same specification as the original, ensuring the piston pin is held firmly in position under engine load and thermal cycling.
- Direct Engine Application — Engineered specifically for the Isuzu 4LE2 engine fitted in the DCA25USI, dropping into the piston pin bore without alteration.
- Confirmed DCA25USI Fitment — Verified for the DCA25USI ultra-silent diesel generator series, removing guesswork when sourcing internal engine hardware.
- Critical Engine Stability — A correctly fitted snap ring prevents piston pin migration that can cause scored cylinder walls, piston damage, and catastrophic engine failure.
- Fuel and Heat Resistance — Constructed from hardened material rated to withstand the repeated thermal expansion and contraction cycles inside a working diesel engine.
The piston pin snap ring is a small but essential retaining component inside the engine's piston assembly. Its job is to lock the piston pin in place so it cannot walk sideways during combustion cycles — keeping the connecting rod centered and the piston tracking true within the cylinder bore. When a snap ring is worn, deformed, or missing, the piston pin can shift laterally, scoring the cylinder wall and causing internal engine damage that is far more costly to repair than replacing the ring at the time of service. Any time the piston or connecting rod is removed during an engine rebuild or inspection of the DCA25USI, replacing the snap ring with a fresh OEM unit like the part is standard practice.
For questions about fitment or to confirm this part is correct for your DCA25USI serial configuration, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 8941140491 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Ring Snap Piston Pin DCA-25USI 4LE2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
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.
