


🛠️ Diagnose like a pro, drive with confidence!
The Duramax LBZ/LMM Diesel Injector Block-Off Tool/Cap is a precision diagnostic accessory designed for 2006-2010 Chevy/GMC Duramax 6.6L engines and compatible with Cummins 6.7L models (2007-2021). It enables technicians and enthusiasts to isolate faulty injectors by capping individual fuel lines, ensuring accurate fuel return flow testing and preventing engine damage caused by injector failures. This tool replaces the Miller 9864 and is an essential addition to any professional or DIY mechanic’s toolkit.
| Manufacturer | AccurateDiesel |
| Brand | AccurateDiesel |
| Item model number | 9011-1 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 9864-1 |
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