The Multiquip 8972312141 Gear Case Cover DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator series. Sourced directly from Multiquip, this cover is manufactured to the exact dimensions and material specifications of the original part, ensuring a clean, secure fit on the 4JG1 engine's gear case assembly. If you're servicing or rebuilding a DCA-45USJ unit, replacing a cracked, damaged, or missing gear case cover with this OEM part is the straightforward path back to full operation.
Key Features
- Genuine OEM Construction — Manufactured to the original dimensional and material tolerances specific to the 4JG1 engine gear case, so you're not guessing on fitment or durability.
- Direct Replacement for DCA-45USJ — Engineered specifically for the DCA-45USJ ultra-silent generator; mounts to the existing gear case housing using the original hardware and bolt pattern.
- Protects Critical Gear Train Components — A properly seated gear case cover contains lubrication and shields the gear train from contamination, debris, and environmental exposure during operation.
- Prevents Oil Loss and Contamination — A failed or cracked cover allows oil to escape and contaminants to enter the gear assembly, accelerating wear and risking engine damage.
- Correct Part for the 4JG1 Engine — The part description references both the machine model and engine designation, confirming this cover is matched to the Isuzu 4JG1 powerplant used in the DCA-45USJ.
The gear case cover seals and protects the gear train at the front of the engine, enclosing the timing gears and retaining the lubricant that keeps them running smoothly. On a generator like the DCA-45USJ, where consistent, uninterrupted output is the whole point, a compromised gear case cover can lead to oil contamination, accelerated gear wear, and eventually a loss of engine timing integrity. Replacing a damaged cover promptly keeps the engine's internal components properly sealed and the generator running at its rated output.
For questions about fitment or to confirm this is the correct part for your DCA-45USJ unit, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 8972312141 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Gear Case Cover 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.
