Fuel Injector Return Line Kit for 2004.5-2010 6.6l LLY LBZ LMM Duramax engines. Also fits many other common rail engines that use 0.22" (5.5mm) OD O-ring seal injector fittings and 0.125" (3mm) hose.
- Heavy duty metal injector fittings
- 5' of Premium return hose
- New retaining clips included
- Services RH & LH engine bank (all 8 injectors)
Fits: 2004.5-2010 Chevy/GMC 2500/3500 6.6l LLY LBZ LMM Duramax engines
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