The Multiquip 8972389960 is a genuine OEM Water Oil Cooler Pipe DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this pipe delivers an exact fit with no guesswork on compatibility. It is confirmed for use on DCA-45USJ equipment equipped with the 4JG1 engine. Keeping this component in proper working order is essential to maintaining safe operating temperatures and protecting the engine during extended run cycles.
Key Features
- Genuine OEM Construction — Manufactured to the original specification for the 4JG1 engine cooling circuit, ensuring correct wall thickness, port sizing, and material grade for long-term heat resistance.
- Direct Drop-In Replacement — Engineered to connect at the same mounting points as the original pipe, so installation follows the standard service procedure without modification to fittings or brackets.
- Confirmed DCA-45USJ Fitment — Verified for the Multiquip DCA-45USJ ultra-silent generator series, eliminating compatibility risk when ordering.
- Critical Cooling Path Integrity — Routes coolant through the oil cooling circuit to regulate engine oil temperature; a cracked or failed pipe leads to oil overheating, accelerated engine wear, and unplanned shutdowns.
- Thermal and Pressure Rated — Built to withstand the continuous thermal cycling and system pressure demands of a diesel generator running under sustained load.
The water oil cooler pipe forms part of the engine's combined cooling circuit, channeling coolant flow through the oil cooler to draw heat away from the engine oil. By keeping oil temperatures within the correct operating range, this pipe protects bearings, seals, and internal engine components from heat-related degradation. When this pipe cracks, leaks, or becomes blocked, oil temperatures rise quickly, leading to loss of lubrication efficiency and potential engine damage if left unaddressed.
Need help confirming this part fits your machine? Contact the DHS Equipment parts team with your model and serial number for verification before ordering.
Part Details
| Part Number | 8972389960 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Water Oil Cooler Pipe 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.
