HE551V Turbocharger Repair Kits Are you looking for HE551V repair kits to repair your turbocharger, then our set of kits is perfect for you. It contains the following contents: buckle Bolts (repair diffuser) nut washer core plug seal Repair Kit Model: HE551V Other recommended products: Ct26 Chra Cartridge, Gt3267 Chra Cartridge.