The Multiquip 457448380 Breather Cap is a genuine OEM component designed for the MVH304GSB reversible plate compactor. Sourced directly from Multiquip, this part meets the exact specifications of the original component installed at the factory. If your MVH304GSB is showing signs of pressure buildup, oil misting, or improper crankcase venting, replacing the breather cap is a straightforward first step to restoring correct operation.
Key Features
- Genuine OEM Sealing Integrity — Built to the same material and venting specifications as the original, ensuring proper crankcase pressure regulation without leakage or blowback.
- Direct-Fit Installation — Engineered to thread or seat exactly as the original cap did, with no trimming, adapting, or modification needed to the housing or filler neck.
- Confirmed Fitment for MVH304GSB — Verified for use on the Multiquip MVH304GSB reversible plate compactor series.
- Protects Engine Internals — A functioning breather cap allows crankcase gases to vent correctly; a failed or missing cap can allow contaminants in and pressure to build, accelerating wear on seals and bearings.
- Fuel and Oil System Safety — Proper crankcase venting helps prevent oil vapor from entering areas where it could create a fire hazard or foul the air filter and fuel system.
A breather cap regulates pressure inside the engine crankcase by allowing excess gases to vent out while blocking dirt, debris, and moisture from entering. On a plate compactor like the MVH304GSB, the engine works hard under sustained load and vibration, which makes maintaining proper crankcase ventilation especially important. When the breather cap becomes clogged, cracked, or missing entirely, pressure can build inside the crankcase, forcing oil past seals and leading to leaks, smoke, or accelerated internal wear.
Part Details
| Part Number | 457448380 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Breather Cap |
Compatibility & Fitment
| Name | Model |
|---|---|
| Plate Compactors | MVH304GSB |
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.
