The Multiquip M5163400103 is a genuine OEM Coupling Ring designed for the DCA300SSC, DCA300SSCU, DCA300SSJU4F, and MQP240 series generators. As a direct OEM replacement, this part is produced to the same specifications as the original component installed at the factory, ensuring a consistent, correct-fit installation without the guesswork. Verified fitment spans the DCA300SSC family — including DCA300SSCU2, DCA300SSCU4i, DCA300SSJU4F, DCA300SSJU4F2, DCA300SSJU4F3, and DCA300SSJU4F3PD variants — as well as the MQP240 standby generator. Keep Multiquip part number M5163400103 on hand to minimize unplanned service interruptions on your generator fleet.
Key Features
- Genuine OEM Construction — Manufactured to the same dimensional and material tolerances as the original coupling ring, maintaining the precise rotational transfer characteristics the drivetrain depends on.
- Drop-In Replacement — Matches the original mounting interface and ring geometry of the DCA300SSC and MQP240 series, allowing straightforward installation during scheduled or emergency service.
- Broad Generator Fitment — Confirmed for DCA300SSCU, DCA300SSCU2, DCA300SSCU4i, DCA300SSJU4F, DCA300SSJU4F2, DCA300SSJU4F3, DCA300SSJU4F3PD (including 60 Hz variants), and MQP240.
- Drivetrain Integrity — A correctly functioning coupling ring maintains smooth, vibration-controlled power transfer between the engine and alternator; a worn or cracked ring introduces misalignment that can accelerate bearing wear and affect output stability.
- Verified Part Number — Ordering by OEM part number M5163400103 confirms you are receiving the correct ring for your specific generator variant, not a generic substitute.
The coupling ring is a critical drivetrain interface component in diesel generator sets, connecting the engine flywheel to the alternator rotor assembly and transmitting rotational torque while absorbing minor misalignment and torsional vibration. It acts as a flexible link that protects both the engine and alternator from shock loading during startup and load fluctuations. When a coupling ring cracks, deforms, or deteriorates, the resulting imbalance can cause excessive vibration, erratic power output, and accelerated wear to adjacent components — making timely replacement essential to sustained generator performance.
Part Details
| Part Number | M5163400103 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Coupling Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA300SSC |
| Diesel Powered Generators | DCA300SSCU |
| Diesel Powered Generators | DCA300SSJU4F2 |
| Diesel Powered Generators | DCA300SSJU4F3 |
| Diesel Powered Generators | DCA300SSCU2 |
| Diesel Powered Generators | DCA300SSCU4i |
| Diesel Powered Generators | DCA300SSJU4F |
| Diesel Powered Generators | DCA300SSJU4F3PD |
| Diesel Powered Generators | MQP240 |
| Diesel Powered Generators | DCA300SSJU4F3 60Hz |
| Diesel Powered Generators | DCA300SSJU4F (60Hz) |
| Diesel Powered Generators | DCA300SSJU4F2 60Hz |
| Diesel Powered Generators | DCA300SSJU4F3PD 60Hz |
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.
