The Multiquip 8941421561 Flywheel Washer DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator. Sourced directly from Multiquip, this washer meets the exact material and dimensional standards specified for the 4JG1 engine powering the DCA-45USJ. Correct fitment to the DCA-45USJ is confirmed, so you can order with confidence and get your generator back in service without guesswork.
Key Features
- Genuine OEM Material Spec — Manufactured to the precise hardness and dimensional tolerances required by the 4JG1 engine, ensuring correct load distribution at the flywheel mounting point.
- Direct-Fit Installation — Matches the original mounting configuration on the DCA-45USJ, dropping into place without rework or shimming.
- Confirmed DCA-45USJ Compatibility — Verified fitment for the DCA-45USJ ultra-silent series generator equipped with the Isuzu 4JG1 diesel engine.
- Flywheel Clamping Integrity — Maintains proper fastener preload at the flywheel interface; a worn or missing washer can allow fastener loosening that leads to vibration and engine damage.
- Exact Multiquip Part Number — Part 8941421561 cross-references directly to the DCA-45USJ bill of materials, eliminating substitution errors during repair.
A flywheel washer sits between the flywheel fastener and the flywheel hub, distributing clamping force evenly across the mounting surface as the fastener is torqued. Without the correct washer in place, the fastener bears unevenly against the flywheel, which can cause the hardware to work loose under the rotational loads of a running engine. On a generator like the DCA-45USJ, a loose flywheel creates dangerous vibration and can lead to costly engine damage if not caught early — making this small component critical to safe, stable operation.
Part Details
| Part Number | 8941421561 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Flywheel 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.
