The Honda 15721-Z28-C40 Breather Tube A is a genuine OEM component designed for the EU3000 inverter generator. As a factory-original part, it is manufactured to Honda's exact specifications, ensuring a direct, trouble-free installation. This breather tube is the correct replacement when the original shows cracking, kinking, or deterioration that compromises crankcase ventilation.
Key Features
- Genuine OEM Construction — sourced directly from Honda, this tube matches the original in profile, length, and connector geometry for a fit that aftermarket alternatives may not replicate
- Direct Replacement — designed specifically for the EU3000 inverter generator; installs in place of the original with no trimming or adaptation
- Crankcase Ventilation Integrity — an intact breather tube keeps crankcase pressure properly managed; a cracked or collapsed tube can allow oil mist to accumulate where it should not, leading to contamination and rough running
- Verify Your Serial Number — Honda supersedes parts at production breaks, so confirm your EU3000's serial number against the fitment table before ordering to ensure this is the correct tube for your unit
The breather tube routes blow-by gases and oil mist from the crankcase back into the air intake system, preventing pressure buildup inside the engine while keeping the generator's operating environment clean. When the tube cracks, collapses, or hardens with age, the crankcase ventilation circuit is broken — crankcase pressure rises, oil leaks become more likely, and oil mist may escape rather than being recirculated. Replacing a damaged breather tube with a genuine Honda part restores the ventilation system to its original condition and protects the engine from the secondary problems that follow when crankcase pressure goes unmanaged.
Part Details
| Part Number | 15721-Z28-C40 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Breather Tube A |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Inverter Generator | EU3000 | All |
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.
