Home » KB Diesel | Fuel Injector Return Line Kit for 05-10 Chevy GMC 6.6l LLY-LMM Duramax
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KB Diesel Performance LLC

KB Diesel | Fuel Injector Return Line Kit for 05-10 Chevy GMC 6.6l LLY-LMM Duramax

SKU: KB-6.6l-LLY-LMM-FIRLK
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$40.95

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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
Install Note: Clock fittings vertically and cut hoses longer to obtain fitting clearance. 
  • Type Chevy/GMC Duramax / 6.6l LBZ 2006 & 07 Classic
  • Vendor KB Diesel Performance LLC
  • SKU KB-6.6l-LLY-LMM-FIRLK