The Multiquip 9884102640 is a genuine OEM Coupling Fix Washer DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent generator. As a factory-sourced component, it meets the exact dimensional and material standards Multiquip specifies for this machine. This washer is confirmed for use on DCA-45USJ series equipment powered by the Isuzu 4JG1 engine. Ordering by part number 9884102640 ensures you receive the correct part for a proper, lasting repair.
Key Features
- Genuine OEM Material Integrity — Manufactured to Multiquip's exact hardness and dimensional tolerances for a coupling washer under drive-train load conditions.
- Direct-Fit for DCA-45USJ — Engineered specifically for the Isuzu 4JG1 engine coupling arrangement on the DCA-45USJ, seating correctly without rework or shimming.
- Confirmed Fitment — Compatible with DCA-45USJ ultra-silent generator units; cross-reference part number 9884102640 against your machine's parts manual before ordering.
- Coupling Integrity Maintained — A correctly sized washer keeps coupling components properly clamped and aligned, preventing shaft movement and premature coupling wear.
- Drive-System Safety — Worn or improperly dimensioned coupling hardware can allow shaft misalignment and vibration that damages both the engine and alternator — using the correct OEM washer mitigates this risk.
A coupling fix washer is a precision-fit fastening component that secures and correctly loads the coupling assembly connecting the engine shaft to the alternator on the DCA-45USJ generator. By maintaining proper clamping force, it ensures the engine's rotational energy transfers cleanly to the alternator without slippage, vibration, or axial movement. When this washer is worn, damaged, or replaced with an incorrect substitute, coupling alignment can be compromised, leading to vibration, accelerated wear on surrounding components, and potential loss of generator output.
Need help confirming fitment or locating additional parts for your DCA-45USJ? Contact the DHS Equipment parts team for support.
Part Details
| Part Number | 9884102640 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Coupling Fix Washer 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.
