Package Contains: 1 x crank seal guard plate, 2 x bolts, 2 x lock washers. Which is more durable, not easy to rust, deformation, or breakage, and has a longer service life. For BMW N55 N52 S55 335i Crank Seal Serpentine Belt Guard Protection ; Condition. New ; Quantity. 101 sold. 10 available ; Item number. 185645953808 ; Manufacturer... This crank seal guard installs over your front crank seal and will keep the belt from being sucked in if a belt failure does occur. This is a cheap way to ensure you do not end up having to replace your motor from oil starvation due to an ingested belt Front Crank Seal Serpentine Belt Guard Compatible with: Compatible with: crankshaft seal serpentine belt guards protection guards plate For BMW 128i, 135i, 328i, 335i, 528i, M2, M3, M4., For N55 S55 N54 N52 engine. For BMW N55 N52 S55 335i 535i M3 Crank Seal Guard Serpentine Belt BMW Performance Part Canitu Red Crank Seal Guard Plate For BMW 335i 528i 135i S55 N54 N52, Billet 7075 Aluminum Front Crankshaft Seal Engine Serpentine Belt Guards N54 N55 Engine Protector