1W6541 Fuel Pump Plunger 1W-6541 For Caterpillar 3304 3306 Diesel Engine

Part Number: 1W6541 Cross Reference: 1W-6541

This fuel pump plunger assembly is a precision core component of the Caterpillar diesel injection pump. It controls accurate fuel delivery volume and injection pressure. Worn plungers will cause internal leakage, inaccurate fuel metering, power loss and poor engine performance. Replace this plunger to rebuild your injection pump at a lower cost.

Compatible Application

✅ Engine: Caterpillar 3304, 3306, 3306B Diesel Engine ✅ Machinery: CAT 215, 215B, 225, 235, E180, E240, E300 Excavator; 120G,130G,140G Motor Grader

Key Features

✅ Direct OE replacement for 1W6541 /1W-6541, perfect fit without modification ✅ High precision grinding, excellent wear resistance and sealing performance ✅ Precise fuel metering, maintains stable injection pressure ✅ Restore engine power, eliminate hard start and rough idle ✅ Reduce fuel consumption and black exhaust smoke ✅ Strict performance inspection before shipment ✅ Economical repair part for injection pump rebuilding

Important Notes

1. Please verify your original part number, engine serial number and injection pump model before ordering to avoid fitment error.
2. Professional diesel pump technician assembly and calibration is required after replacement.
3. Package Includes:1 × Fuel Pump Plunger as shown in pictures.
4. Use clean qualified diesel fuel to extend plunger service life.

Why Choose Us

We specialize in diesel injection system spare parts, including plungers, barrel assemblies, nozzles, control valves and fuel injectors. Every component passes strict inspection before dispatch. Reliable aftermarket solution for repair shops, fleet maintenance and heavy machinery overhaul.