Precision-Crafted Zexel Diesel Engine Nozzle Plunger

High-grade steel construction ensures superior durability and wear resistance for extended service life. Mirror-polished surface finish minimizes friction and optimizes fuel flow efficiency.

Exact OEM replacement for Zexel 140163-4220 models, compatible with K334/K336/K359 fuel injection pumps. CNC-machined to 0.001" tolerance for perfect pressure sealing.

Critical component for heavy-duty applications: construction machinery, marine engines, and commercial vehicle fleets. Restores factory-level injection timing accuracy.

Direct-from-factory pricing with bulk order discounts. ISO-certified manufacturing meets global diesel engine standards. Ships worldwide with full technical specifications.