The Multiquip MQ17321 Nozzle Insulator MT400CCEHD is a genuine OEM nozzle insulator designed for the MT400CCEHD rammer. Sourced directly from Multiquip, this component delivers an exact factory fit for MT400CCEHD tamper units. As an authentic OEM part, MQ17321 meets the original design and material specifications required to keep your rammer running at peak efficiency. DHS Equipment stocks this part to ensure you get the correct replacement without compromise.
Key Features
- Genuine OEM Heat Resistance — manufactured to the same thermal and material tolerances as the original, ensuring the insulator performs correctly under the combustion temperatures of the MT400CCEHD rammer.
- Direct Drop-In Replacement — matches the original mounting configuration of the MT400CCEHD nozzle assembly, allowing a straightforward swap with no modifications to surrounding components.
- Confirmed MT400CCEHD Fitment — engineered specifically for the MT400CCEHD tamper; cross-reference MQ17321 against your machine's serial plate before ordering to verify compatibility.
- Fuel System Integrity — a correctly seated nozzle insulator maintains the seal between the nozzle and combustion chamber, preventing fuel vapor leakage that can degrade engine performance or create unsafe operating conditions.
- Fuel System Safety — the nozzle insulator acts as a critical barrier in the fuel delivery path; a cracked or degraded insulator can lead to uncontrolled fuel seepage, making timely replacement essential for safe operation.
The nozzle insulator sits between the fuel injector or carburetor nozzle and the engine body, providing both a thermal barrier and a fuel-tight seal at the point where fuel enters the combustion system. It prevents heat from the engine from traveling back toward the nozzle, which can cause vapor lock or premature fuel vaporization that disrupts the air-fuel mixture. When the insulator cracks, hardens, or deteriorates, fuel leaks and rough running are common symptoms, and replacement is necessary to restore consistent engine operation.
For questions about fitment or to confirm this is the correct part for your MT400CCEHD rammer, contact the DHS Equipment team directly.
Part Details
| Part Number | MQ17321 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Nozzle Insulator MT400CCEHD |
Compatibility & Fitment
| Name | Model |
|---|---|
| MT400CCEHD | MT400CCEHD |
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.