The Multiquip 1648413120 is a genuine OEM Exhaust Valve designed for Welders and diesel-powered generator models including the DCA15SPX3 and DCA10SPX3. As a factory-sourced component, it meets the original engineering specifications for the engines used across these units, ensuring a direct, confidence-inspiring installation. Sourced direct from Multiquip, this part is the correct choice when accuracy and longevity matter on a working machine.
Key Features
- OEM-Grade Valve Metallurgy — Manufactured to the original hardness and heat-tolerance specifications required for sustained high-temperature exhaust cycling in diesel and welder engine applications.
- Drop-In Engine Fitment — Machined to match the original valve stem diameter, head profile, and seat angle so it seats correctly without rework during installation.
- Confirmed Compatibility — Fits Welders (DAW-500S), DCA15SPX3, and DCA10SPX3 models, covering both the arc welder and ultra-silent diesel generator families in the Multiquip lineup.
- Maintains Combustion Efficiency — A properly sealing exhaust valve holds compression at the correct level, keeping combustion timing and power output consistent across load cycles.
- Critical Fuel System Safety — A worn or burned exhaust valve can allow combustion gases to escape into the engine, causing overheating or uncontrolled backfire conditions — replacing with the correct OEM part restores safe engine operation.
The exhaust valve controls the release of spent combustion gases from the engine cylinder at the precise moment in each power stroke. It opens to allow exhaust gases to exit, then closes and seals tightly to maintain compression for the next ignition cycle. When an exhaust valve wears, warps, or burns through, compression drops, the engine loses power, runs rough, and can overheat — making timely replacement essential to keeping a welder or generator performing at full rated output.
Part Details
| Part Number | 1648413120 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DAW-500S |
| Diesel Powered Generators | DCA15SPX3 |
| Diesel Powered Generators | DCA10SPX3 |
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.
