The Multiquip 14721889000 Exhaust Valve HC- G300 is a genuine OEM exhaust valve designed for the G300 generator. Sourced directly through Multiquip's authorized parts program, this valve delivers the exact fit and material specification required to maintain proper engine function in G300 units. If you're servicing a G300 generator and need a verified replacement, the part is the correct OEM-specified component for the job.
Key Features
- Genuine OEM Valve Material — Manufactured to the same heat-resistant alloy and dimensional tolerances as the original, ensuring consistent sealing performance under combustion temperatures.
- Direct-Fit Replacement — Engineered to seat and seal in the G300 cylinder head without rework, matching the original valve stem diameter, head size, and seat angle exactly.
- G300 Generator Fitment — Confirmed fitment for the Multiquip G300 generator series, eliminating guesswork when ordering engine valve components.
- Maintains Combustion Efficiency — A correctly functioning exhaust valve fully clears spent gases from the cylinder on every stroke, preserving power output and fuel efficiency in your generator.
- Critical Engine Safety Component — A worn or burnt exhaust valve can cause compression loss, overheating, and engine damage; replacing with an OEM-spec part restores safe operating pressure and thermal margins.
The exhaust valve controls the release of burned combustion gases from the engine cylinder after each power stroke. It opens at precisely the right point in the engine cycle to expel exhaust, then closes completely to seal the cylinder for the next compression and ignition event. When an exhaust valve wears, burns, or fails to seat properly, the engine loses compression, runs rough, overheats, and can suffer accelerated internal damage — making timely replacement with a correct OEM part essential to keeping a generator running reliably.
Part Details
| Part Number | 14721889000 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Valve HC-0754945 G300 |
Compatibility & Fitment
| Name | Model |
|---|---|
| G300 | G300 |
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.
