371‑3974 Fuel Injector — High‑Pressure Common Rail Injector for C7.1 ACERT

The 371‑3974 Fuel Injector is a high‑precision common‑rail injector specially designed for the Caterpillar C7.1 ACERT engine. With wear‑resistant coated plungers and hardened internal components, it adapts to low‑sulfur and low‑lubricity modern fuels, effectively avoiding internal wear and power attenuation. It ensures stable power output, optimized fuel consumption and emission compliance for modern CAT construction machinery.

1. Technical Specifications

2. Machine Compatibility

This fuel injector fits a wide range of modern Caterpillar construction machinery powered by the C7.1 engine:

• Excavators: 320, 320 GC, 320D2 L/FM, 323, 323D2 L, 323 GC, 326, 326 GC, 329D2 L, 330, 330 GC, 333 GC

• Dozers: D4, D5, D5R2, D6K2, D6N

• Wheel Loaders: 924, 924K, 926, 930, 930K, 938, 938K

• Paving & Compaction Equipment: AP655F, CS56B, CS68B, CS78B, CP56B, CP76B

• Other Special‑Purpose Machines: 120/140 GC Motor Graders, 525D Skidders, PL61 Pipelayers

3. Key Features & Advantages

• Anti‑Wear Coated Plunger: Special surface coating resists scuffing and abrasion caused by low‑lubricity diesel fuel, greatly extending service life.

• Precision‑Controlled High‑Pressure Injection: Accurate fuel injection volume and timing avoid power loss, ensuring consistent engine torque output.

• Optimized Combustion Efficiency: Fine atomization improves combustion efficiency, reduces exhaust smoke and particulate emissions, and lowers fuel consumption.

• Direct OEM‑Standard Replacement: Manufactured to original dimensional and performance standards for plug‑and‑play installation and stable long‑term operation.

For bulk wholesale, technical consultation and C7.1 engine fuel‑system solutions:

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