Part Number:7W5929 Cross Reference:7W-5929
This fuel pump plunger (plunger & barrel assembly) is a precision core component of the Caterpillar diesel fuel injection pump. It controls accurate fuel metering and injection pressure. Worn plungers will cause pressure leakage, fuel metering deviation and poor engine performance. Replace this plunger to rebuild your injection pump economically.
✅ Engine: Caterpillar 3304, 3304B, 3306, 3306B ✅ Machinery: CAT 330, 330L, 350, 235C Excavator, Challenger 65C,65D
✅ Direct OE replacement for 7W5929 /7W-5929, perfect fit without modification ✅ High precision grinding, excellent wear resistance ✅ Precise fuel metering and stable injection pressure ✅ Restore engine power, eliminate hard start and rough idle ✅ Reduce fuel consumption and exhaust smoke ✅ Strict performance testing before shipment ✅ Cost-saving repair part for injection pump rebuilding
We specialize in diesel injection system spare parts, including plungers, nozzles, control valves and injectors. Every piece is inspected before delivery. Ideal aftermarket parts for repair shops, fleet maintenance and machinery overhaul.