The Multiquip 8943699050 Piston Pin Retaining Ring DCA45SSIU4F is a genuine OEM component designed for the DCA45SSIU4F ultra-silent diesel generator. As a direct OEM replacement, this retaining ring meets the exact material and dimensional specifications required to secure the piston pin correctly within the engine assembly. Sourced directly through authorized Multiquip supply channels, this part is the correct choice for technicians and operators performing engine-level service on the DCA45SSIU4F.
Key Features
- Genuine OEM Retention Integrity — Manufactured to the exact circlip geometry and spring tension required to hold the piston pin securely under combustion loads specific to this engine.
- Direct Engine Assembly Fit — Dimensioned to seat flush in the piston pin bore groove of the DCA45SSIU4F without rework or shimming.
- DCA45SSIU4F Compatibility — Verified for use in the DCA45SSIU4F Isuzu-powered ultra-silent generator series; confirm your model code before ordering.
- Combustion Stability — A correctly seated retaining ring prevents lateral piston pin migration, maintaining consistent piston alignment and cylinder wall contact for stable power output.
- Engine Safety Critical — A failed or displaced retaining ring can allow the piston pin to contact the cylinder bore, causing rapid catastrophic engine damage; always replace with a genuine OEM ring of correct specification.
The piston pin retaining ring is a small but critical circlip that locks the piston pin in place inside the piston, preventing it from shifting laterally and contacting the cylinder wall during engine operation. Without it, the piston pin is free to walk sideways under the forces of combustion, which will quickly score or crack the cylinder bore and cause major internal engine damage. When performing a piston or ring replacement on the DCA45SSIU4F, replacing this retaining ring as a matter of course is standard practice — reusing a deformed or fatigued ring is a common cause of repeat engine failure.
For questions about fitment or to confirm this is the correct part for your DCA45SSIU4F generator, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 8943699050 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Piston Pin Retaining Ring DCA45SSIU4F |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA45SSIU4F |
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.