2006-2010 GM 6.6L Duramax PCV Crankcase Breather Repair Fittings (set of 2) 2004-chevrolet-silverado-2500hd-6-6l-v8-turbo-diesel--duramax--esi9126259 Not compatible with factory oil

Not compatible with factory oil filter housing

Note: Due to the 6mm wall thickness of PPE Silicone

PPE hoses were designed to handle the rigors of increased pressures during racing and competition

PPE’s replacement Dual Fueler Heavy Duty Serpentine Belt handles big horsepower and torque numbers and still lasts up to 3x longer than a comparable stock unit

stock plastic WIF sensors become brittle

2006-2010 GM 6.6L Duramax PCV Crankcase Breather Repair Fittings (set of 2) 2004-chevrolet-silverado-2500hd-6-6l-v8-turbo-diesel--duramax--esi9126259 Not compatible with factory oilPPE Crankcase Breather Repair Fittings are made from machined billet aluminum and replace stock composite plastic fittings. Composite plastic can become brittle and fail. These fittings allow you to repair your stock breather system. These fittings are used with external filter separators to eliminate engine oil contamination of your intake system.