Description 2001 – 2004.5 LB7 6.6L GM Duramax Turbo Oil Supply Line Complete With New Banjo Bolts Reference # 904-116 / 97188654  / 2174 The Turbocharger Oil Line smoothly transfers oil to the vehicle’s Turbocharger. For performance assurance, this Turbocharger Oil Line has been tested to meet product standards and quality. Direct replacement for a proper fit every time This part has undergone SAE J343 testing for burst, tensile, cold bend and leakage Turbocharger Oil Return Line also available, sold separately