The Multiquip 12990111450 Protector Nozzle 3TNV76 AR16-2 is a genuine OEM component designed for the AR16-2 asphalt ride-on roller. As a direct Multiquip OEM part, 12990111450 is manufactured to the exact specification of the original, ensuring a correct fit within the engine assembly without guesswork or modification. Sourced directly through authorized Multiquip supply channels, this nozzle protector is the right choice when you need confidence in both fit and function on your AR16-2 roller.
Key Features
- Genuine OEM Construction — Manufactured to exact original tolerances for the 3TNV76 engine, ensuring the nozzle seat and protective interface perform as engineered from day one.
- Direct-Fit for AR16-2 — Engineered specifically for the AR16-2 asphalt ride-on roller; seats and secures exactly as the original component without rework or adaptation.
- Protects Injector Nozzle Integrity — Shields the fuel injector nozzle from carbon buildup, debris contact, and combustion blowback that can accelerate nozzle wear and disrupt fuel spray patterns.
- Supports Consistent Engine Performance — A correctly seated nozzle protector maintains proper combustion chamber sealing, helping the 3TNV76 engine deliver steady power output during compaction passes.
- Fuel System Safety Compliance — Proper installation of this protector maintains the sealed integrity of the fuel injection assembly, reducing the risk of fuel leakage or combustion irregularities at the injector.
The nozzle protector on a diesel engine such as the 3TNV76 serves as a barrier between the injector nozzle tip and the harsh conditions inside the combustion prechamber. It prevents hot gases, carbon deposits, and particulate matter from migrating up around the nozzle body, which can cause seizure, uneven spray patterns, or premature nozzle failure. When this protector is worn, cracked, or missing, injector nozzle life is significantly shortened and fuel combustion efficiency drops — leading to rough running, increased exhaust emissions, and potential engine damage on equipment like the AR16-2 roller.
For questions about fitment or to confirm this part is correct for your machine, contact the DHS Equipment team before ordering.
Part Details
| Part Number | 12990111450 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Protector Nozzle 3TNV76 AR16-2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| AR16-2 | AR16-2 |
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.
