Built using Induction Hardened CF53 Steel Shafts for improved toughness and ductility while avoiding metal breakage due to brittle structure, Core made of High-Carbon AISI 52100 Chromium Alloy Steel features higher wear resistance, fatigue strength and steel hardness, Premium quality MolyPro™ NLGI Grade 2 Molybdenum Grease (MoS2) to minimize wear and reduce friction providing longer lasting performance, Exclusive multi-lip boots are made with ProSeal™ Nitrile Rubber (NBR) which can successfully function at high delta of temperatures while retaining its flexibility and sealing performance, Threads and splines are made of Case-Hardened Steel for improved resistance to surface wear and contact fatigue, Thickness and metallurgy electronically validated for manufacturing consistency, SAE J1714, J2525 and J2535 validated for OEM load-carrying capacity, durability, and performance characteristics, Part Reference Numbers : 1700-698689 66-9757 NCV27050 941160 801160 BM-8-8543 31607619657 BM-8162

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2011 2012 2013 2014 2015 2016 2017 2018 BMW X3 X4