DZ170 CDI Fuel Pump Cap - YSE3063 Replacement by YS Engine  [YSE3063]

Essential details for the DZ170 pump cap

This pump cap is an aftermarket replacement made for DZ170 CDI engines, ensuring the fuel outlet on CDI-equipped units remains properly sealed. It is supplied as a single replacement accessory for engine maintenance tasks.

Fitment focuses on DZ170 CDI engine variants; always verify the original cap marking and dimensions before installation. The replacement procedure is straightforward: remove the fuel cover, fit the new cap, ensure gaskets are seated correctly, and check fuel line alignment.

For tuning and regular maintenance the cap helps maintain consistent fuel flow and a secure seal, both of which influence idle behavior and throttle response. Keep this cap in your toolkit for bench work, event-day changes, and periodic checks.