The Multiquip 4270444 Exhaust Valve 43F RW1403F/FMR is a genuine OEM exhaust valve designed for the RW1403HF walk-behind roller. Sourced directly from Multiquip, this part meets the exact specifications of the original component installed at the factory. The 4270444 is a direct-fit replacement for RW1403HF machines, ensuring correct seating, clearance, and sealing without the need for modification. Keeping the correct exhaust valve installed is essential to maintaining engine compression, fuel efficiency, and overall roller performance on the job.
Key Features
- Genuine OEM Valve Metallurgy — Manufactured to the precise heat-tolerance and hardness specifications required for exhaust-side valve operation in this engine family.
- Direct Engine Drop-In — Matches the original valve stem diameter, head diameter, and seat angle of the RW1403HF engine, allowing straightforward installation during a valve service.
- Confirmed Fitment for RW1403HF — Verified for Multiquip RAMMAX walk-behind roller RW1403HF; use part number 4270444 to confirm compatibility before ordering.
- Maintains Compression and Combustion Efficiency — A properly seated exhaust valve seals combustion gases at the correct point in the engine cycle, preserving power output and fuel economy in the roller's engine.
- Reduces Risk of Engine Damage — A worn or damaged exhaust valve allows combustion gases to bypass the valve seat, leading to compression loss, overheating, and potential engine failure if left unaddressed.
The exhaust valve controls the release of burned combustion gases from the engine cylinder at the end of each power stroke. It opens to vent exhaust gases into the exhaust system and closes tightly to seal the combustion chamber during compression and power strokes. When an exhaust valve wears, burns, or loses its seating surface, compression drops and the engine loses power, runs rough, or may overheat — making timely replacement critical to keeping the roller operating at full capacity.
Part Details
| Part Number | 4270444 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Valve 43F RW1403F/FMR |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW1403HF |
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.
