G15-107 EUI EUP Unit Pump Lapping Tool

G15-107 EUI EUP Unit Pump Lapping Tool

 The **EUI EUP Unit Pump Lapping Tool** is dedicated repair kit for Bosch EUI (Electronic Unit Injector) and EUP (Electronic Unit Pump). This tool is used for lapping and grinding the worn valve‑seat sealing surface. It removes scratches and uneven wear, recovers factory‑level sealing performance, effectively solves common failure of fuel leakage caused by damaged valve seat. Widely adopted in heavy‑duty diesel repair shops and unit‑pump remanufacturing stations. High‑precision guide structure ensures stable lapping quality for long‑time heavy‑duty workshop use.