The Multiquip 8973186430 is a genuine OEM Oil Pan Assembly DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM component, it is manufactured to the exact specifications required by the 4JG1 engine fitted to this unit, ensuring a correct and secure installation. This part is sourced directly through Multiquip's authorized parts network, so you can be confident you are receiving the authentic component for your DCA-45USJ.
Key Features
- OEM-Spec Oil Retention — Engineered to hold the correct oil volume for the 4JG1 engine, maintaining proper lubrication pressure throughout operation.
- Direct Engine Match — Built specifically for the Isuzu 4JG1 engine platform used in the DCA-45USJ, ensuring correct bolt pattern alignment and drain plug fitment.
- Confirmed DCA-45USJ Fitment — Verified for use on the Multiquip DCA-45USJ ultra-silent generator series; cross-reference part number 8973186430 before ordering.
- Structural Integrity Under Load — The oil pan forms a sealed, rigid sump that resists warping and cracking even under sustained generator run cycles and ambient heat.
- Leak Prevention — Precise mating surfaces support a proper gasket seal, protecting the engine from oil loss that would otherwise lead to lubrication failure and engine damage.
The oil pan, or sump, sits at the base of the engine and serves as the reservoir that holds the engine oil supply. During operation, oil is drawn up from the pan, circulated through the engine to lubricate moving components, and returned to the pan to cool and settle before the cycle repeats. A cracked, warped, or damaged oil pan can cause oil leaks that deplete lubrication, leading to accelerated engine wear or seizure — making timely replacement critical to keeping a generator like the DCA-45USJ running reliably through long duty cycles.
Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number and we'll verify fitment before you order.
Part Details
| Part Number | 8973186430 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Oil Pan Assembly 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.
