The Multiquip 8944606870 is a genuine OEM Ring Snap Piston Pin DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM replacement, this snap ring is manufactured to the exact tolerances required by the 4JG1 engine, ensuring correct retention of the piston pin within the connecting rod assembly. Sourced directly from the Multiquip OEM supply chain, this is the same component used in original production — no guesswork on fitment or spec. If you're servicing the DCA-45USJ and need a part you can trust, 8944606870 is the correct choice.
Key Features
- OEM-Spec Retention Ring: — Manufactured to the exact dimensional and material tolerances required by the 4JG1 engine, ensuring correct piston pin retention under operating loads.
- Drop-In Engine Replacement: — Designed to seat directly into the piston pin bore of the 4JG1 engine with no modification to surrounding components.
- Confirmed DCA-45USJ Fitment: — Verified for use in the Multiquip DCA-45USJ ultra-silent diesel generator series.
- Engine Integrity Under Load: — A correctly seated piston pin snap ring keeps the pin centered and prevents lateral migration, protecting piston, cylinder wall, and connecting rod from accelerated wear.
- Critical Safety Component: — A failed or missing snap ring can allow the piston pin to contact the cylinder wall, causing catastrophic internal engine damage; using the correct OEM part is essential during any piston assembly service.
The piston pin snap ring is a small but critical internal engine component that locks the piston pin in place within the piston bore, preventing it from shifting laterally during combustion cycles. In the 4JG1 diesel engine used in the DCA-45USJ generator, this ring maintains the alignment between the piston and connecting rod, ensuring smooth and efficient power transfer. If this snap ring becomes worn, deformed, or is omitted during a rebuild, the piston pin can migrate and score the cylinder wall, leading to rapid engine failure and costly repairs.
For questions about fitment or to confirm this is the right part for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 8944606870 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Ring Snap Piston Pin DCA-45USJ 4JG1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-45USJ | DCA-45USJ |
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.
Multiquip
Multiquip 8971479840 Piston Ring Set Standard DCA-45USJ 4JG1
