The Multiquip 8972892631 is a genuine OEM Connecting Rod Assembly DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a factory-sourced component, it delivers the exact material grade, dimensional tolerancing, and bearing journal geometry specified for the 4JG1 engine, ensuring a true drop-in fit with no guesswork at installation. This part is confirmed for use on the DCA-45USJ series and is sold through DHS Equipment as an authorized Multiquip replacement. Keeping a fresh 8972892631 on hand means your generator is back in service fast when an engine teardown is required.
Key Features
- Engine-Grade Material Construction — Manufactured to the same forged steel and bearing specification as the original 4JG1 engine component, maintaining correct journal clearances critical to oil film integrity.
- Direct OEM Replacement — Matches the original rod geometry, big-end bore, and pin bore dimensions for a straightforward installation within the 4JG1 engine block.
- Confirmed DCA-45USJ Fitment — Verified for the Multiquip DCA-45USJ ultra-silent diesel generator series; use the model code to cross-reference before ordering.
- Restores Full Power Output — A correctly fitted connecting rod maintains proper piston stroke and compression ratio, allowing the generator to deliver its rated output without mechanical loss or vibration.
- Critical Safety Component — A worn or damaged connecting rod can cause catastrophic engine failure; replacing with a genuine OEM part ensures structural integrity under load.
The connecting rod is the mechanical link between the piston and the crankshaft inside the engine. Its job is to convert the linear up-and-down motion of the piston into the rotational motion that drives the crankshaft and, ultimately, the generator's alternator. A connecting rod that is worn, bent, or damaged at the bearing surfaces will cause knocking, loss of compression, excessive oil consumption, and — if left unaddressed — complete engine seizure. Replacing it with a correctly specified part restores the engine's ability to run at the proper compression and power levels the DCA-45USJ was designed to deliver.
Part Details
| Part Number | 8972892631 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Connecting Rod 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.
