Multiquip 457451740 Breather Joint

The Multiquip 457451740 Breather Joint is a genuine OEM component designed for MVH-series reversible plate compactors, including the MVH502DSB2, MVH-402DSB, MVH-402GHB, and MVH502DSB. Sourced directly from Multiquip, this part matches the original specification and drops into place without guesswork or modification. Keeping your compactor's breather system intact is critical to engine and crankcase longevity, and the part ensures that connection stays sealed and functional. If you're servicing any of the listed MVH reversible plate models, this is the correct OEM replacement to have on hand.

Key Features

• Genuine OEM Fit: — Manufactured to Multiquip's original specification, ensuring the breather joint seals and connects exactly as the factory design intends.
• Direct Replacement for MVH-Series Reversible Plates: — Confirmed fitment for MVH502DSB2, MVH-402DSB, MVH-402GHB, and MVH502DSB compactors — verify your model before ordering.
• Crankcase Pressure Management: — A correctly functioning breather joint allows the engine to vent excess crankcase pressure safely, protecting internal engine components from pressure buildup damage.
• Preserves Engine Integrity: — A failed or cracked breather joint can allow contaminants into the crankcase or cause oil leaks, both of which accelerate engine wear on heavy-duty reversible plate compactors.
• OEM Part Number Accuracy: — Part number this part is the exact Multiquip catalog reference for this component, eliminating the risk of ordering the wrong breather for your MVH-series machine.

The breather joint is part of the engine's crankcase ventilation system. Its role is to allow internal crankcase pressure — built up from combustion blow-by gases — to vent in a controlled way, preventing pressure from building to levels that can force oil past seals or cause gasket failures. On reversible plate compactors like the MVH series, where the engine operates under sustained vibration and load, a damaged or deteriorated breather joint can lead to oil leaks, increased internal wear, or contamination of the air intake. Replacing a worn breather joint promptly keeps the engine breathing correctly and helps maintain consistent compaction performance in the field.

DHS Equipment supplies genuine Multiquip OEM parts with the fitment accuracy and part number verification that contractors and equipment technicians depend on. For questions about compatibility or your order, contact the DHS Equipment parts team directly.

Part Details

Compatibility & Fitment

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.