The Multiquip 8970454103 is a genuine OEM Exhaust Valve DCA25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator series. As a direct OEM replacement sourced through Multiquip's authorized parts network, this valve is manufactured to the exact material and dimensional specifications required by the 4LE2 engine. Contractors and service technicians who depend on the DCA25USI for continuous power output can install this part with full confidence in fit and function. Verify your model code against 8970454103 before ordering to ensure correct application.
Key Features
- OEM Metallurgy for Exhaust Duty — Manufactured to Multiquip's specified alloy grade, engineered to withstand the high-heat, high-pressure conditions of an exhaust valve seat in a diesel engine cycle.
- Direct Drop-In for the 4LE2 Engine — Dimensioned to the exact stem diameter, head diameter, and overall length of the 4LE2 engine's exhaust port, seating correctly without machining or fitting adjustments.
- Confirmed Fitment for DCA25USI — Validated for the DCA25USI ultra-silent diesel generator, ensuring you receive the correct valve for this specific Isuzu-powered unit in the DCA ultra-silent series.
- Restores Full Combustion Sealing — A worn or burnt exhaust valve causes compression loss, rough running, excessive smoke, and reduced power output; replacing with this part restores proper cylinder sealing and engine efficiency.
- Genuine OEM Part — Supplied as an authentic Multiquip OEM component, meeting the same quality standard as the original valve installed at the factory.
The exhaust valve sits in the cylinder head and seals the exhaust port during the compression and combustion strokes, then opens to allow spent combustion gases to exit the cylinder. In a diesel generator engine like the 4LE2, the exhaust valve is exposed to extreme heat and pressure on every firing cycle, making it one of the higher-wear components in the valvetrain. When an exhaust valve burns, warps, or loses its seating surface, the result is a loss of compression, misfiring, increased fuel consumption, and visible exhaust smoke — all of which reduce generator output and can escalate into more serious engine damage if left unaddressed.
Part Details
| Part Number | 8970454103 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Valve DCA25USI 4LE2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
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.
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