High-Performance Fuel Injection Pump for 4DR5/4DR7/4DQ5/4DQ7 Engines

Precision-engineered with high-grade aluminum alloy housing for superior heat dissipation and corrosion resistance. Features ultra-smooth plunger and barrel assembly with micron-level tolerances (≤0.002mm) for leak-free fuel delivery.

Direct OEM replacement part with laser-etched calibration codes for perfect compatibility. Includes reinforced steel camshaft and German-made sealing rings rated for 50,000+ pressure cycles.

Optimized for commercial diesel engines in trucks, excavators, and generator sets. Reduces fuel consumption by 8-12% versus worn pumps through efficient atomization technology.

Global wholesale pricing available for bulk orders (50+ units). Ships with protective wax coating and anti-static packaging. ISO 9001 certified manufacturing.