212‑8470 Unit Injector Nozzle — High‑Precision Fuel Atomization Tip

The 212‑8470 Unit Injector Nozzle is a high‑precision fuel‑system component for Caterpillar diesel engines. It atomizes high‑pressure fuel and injects it into combustion chambers with micro‑second‑level accuracy, improving combustion efficiency, reducing exhaust smoke, lowering fuel consumption and meeting Tier 3 / Stage IIIA emission standards.

1. Technical Specifications

2. Machine Compatibility

This injector nozzle fits multiple generations of medium‑tonnage Caterpillar excavators:

• CAT 320D Series: 320D, 320D L, 320D LRR, 320D RR

• CAT 323D Series: 323D L, 323D LN, 323D S

• CAT 320C Series: 320C, 320C L, 320C FM

• Small‑Medium Excavators: 311C, 312C, 312C L, 314C, 318C, 321C

3. Key Features & Advantages

• High‑Strength Wear‑Resistant Material: Special metallurgy process improves high‑pressure and high‑temperature resistance, adapting to harsh engine‑bay working environments.

• Optimized Combustion Performance: Precision spray angle reduces carbon deposition and engine knocking, extending service life of engine internal components.

• Emission‑Compliant Calibration: Meets Tier 3 / Stage IIIA emission requirements, balancing power output and environmental protection performance.

• Direct OEM‑Standard Replacement: Exact dimensional match with original fuel systems, avoiding high‑pressure fuel leakage and reducing installation time.

For bulk wholesale, technical consultation and fuel‑system component solutions:

Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email: [email protected]