The Multiquip 8981202610 is a genuine OEM DEF Tank Vent Hose DCA70SSIU4F, designed specifically for the DCA70SSIU4F ultra-silent diesel generator. As a direct OEM replacement, this hose is produced to the same specifications as the original component that shipped with the machine, ensuring a correct, trouble-free installation. Sourced directly through authorized Multiquip supply channels, part number 8981202610 is the right call when you need to restore proper DEF system function on your DCA70SSIU4F.
Key Features
- OEM-Grade Material Construction — Manufactured to withstand DEF (diesel exhaust fluid) chemical compatibility requirements, maintaining hose integrity over extended service life.
- Exact-Fit Routing and Connections — Engineered to match the original hose geometry and end fittings, allowing the vent line to connect directly to the DEF tank without modification to surrounding components.
- Confirmed Fitment for DCA70SSIU4F — This hose is application-specific to the DCA70SSIU4F ultra-silent generator and is not a universal substitute.
- Protects DEF System Pressure Balance — A functioning vent hose allows the DEF tank to breathe correctly, preventing pressure buildup or vacuum that can disrupt fluid delivery to the SCR aftertreatment system.
- Emissions System Compliance — The DEF system is a critical part of Tier 4 Final emissions compliance; using a genuine OEM replacement hose helps ensure the system continues to operate within regulatory parameters.
The DEF tank vent hose allows the diesel exhaust fluid reservoir on the DCA70SSIU4F generator to equalize pressure as fluid is consumed and the tank volume changes. Without a properly functioning vent, negative pressure can build inside the tank, restricting DEF flow to the selective catalytic reduction (SCR) system and potentially triggering fault codes or derate conditions. A cracked, collapsed, or disconnected vent hose should be replaced promptly to keep the Tier 4 emissions system operating as intended.
Part Details
| Part Number | 8981202610 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | DEF Tank Vent Hose DCA70SSIU4F |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA70SSIU4F | DCA70SSIU4F |
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.
