The Multiquip 8943620470 Exhaust Manifold Stud DCA-45USJ 4JG1 is a genuine OEM component designed for the DCA-45USJ ultra-silent diesel generator. As a direct Multiquip OEM part, 8943620470 is manufactured to the exact material grade and thread specification required by the 4JG1 engine platform, ensuring a proper mating surface between the exhaust manifold and the cylinder head. This stud is a critical fastener for maintaining a sealed, leak-free exhaust connection on DCA-45USJ units. DHS Equipment stocks this part ready to ship so your generator gets back to work without delay.
Key Features
- Genuine OEM Fastener Integrity — manufactured to the exact thread pitch, diameter, and tensile strength required by the 4JG1 engine, so the manifold seats and seals correctly every time.
- Direct Drop-In Installation — matches the original stud configuration on the DCA-45USJ cylinder head; threads engage cleanly without rework or chasing.
- Confirmed Fitment for DCA-45USJ — sourced and verified specifically for the DCA-45USJ ultra-silent generator series powered by the Isuzu 4JG1 engine.
- Exhaust Seal Performance — a correctly torqued, undamaged stud holds clamping pressure on the exhaust manifold gasket; a worn or broken stud allows exhaust gases to escape, causing power loss, noise, and potential engine damage.
- Emissions and Safety Compliance — maintaining an intact exhaust manifold connection is essential for containing combustion gases and keeping the generator operating within safe emission parameters.
An exhaust manifold stud is a threaded fastener that anchors the exhaust manifold firmly against the engine's cylinder head, compressing the gasket between them to create a gas-tight seal. It carries the clamping load generated when the manifold nut is torqued, holding the joint secure even as the manifold expands and contracts through heat cycles. When a stud stretches, strips, or breaks, the manifold can shift or lift, allowing hot exhaust gases to escape at the joint — a condition that reduces engine efficiency, increases noise, and can cause burns or fire risk if gases contact surrounding components.
Part Details
| Part Number | 8943620470 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Manifold Stud 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.
Multiquip
Multiquip 8973503170 Exhaust Manifold Gasket DCA-45USJ 4JG1
