SHOWA Co.,Ltd. Company Profile

There are models for diesel and gasoline direct injection! Introducing a dedicated testing machine for injectors. By testing individually, we optimize the evaluation of their performance.

Our company, Showa Co., Ltd., is the exclusive domestic distributor of Carbon Zapp, a manufacturer of testers for injectors used in clean diesel and direct-injection gasoline engines. Carbon Zapp's injector testers utilize unique technology that domestic manufacturers cannot match, allowing them to accommodate various injectors. They are also user-friendly and feature a stylish design, making them high-performance testers (testing machines). 【Common Issues with Injectors】 - Common rail injectors cannot be tested with conventional equipment... - Even when replacing with new parts, proper evaluation of good or bad condition cannot be made... - Even if replaced with new parts, issues remain unresolved without identifying the cause... 【Features of the Carbon Zapp Tester】 - Not only can injection volume and pressure be checked, but the spray condition can also be visually confirmed. - Includes a function to reissue correction codes. - Compatible with a variety of manufacturers (Bosch, Denso, Delphi, etc.) - Available models for both diesel and gasoline. *For more details, please view the materials from [PDF Download] or feel free to [Contact Us]. *October 27, 2021: Japanese version materials have been added.