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Crankshaft Pulleys & Harmonic Balancers

Keep your drive belt system in check by replacing your BMW's crankshaft pulleys and harmonic balancers.
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Vargas N54/55 Billet Crank Seal Guard - BMW N54 N55 3.0L
Vargas N54/55 Billet Crank Seal Guard - BMW N54 N55 3.0L
Vargas Turbo Technologies - Corporate Logo
T#:638889
Part#: VTT-CRANKGUARD
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Starting at $ 89.99 USD
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Starting at $ 89.99 USD
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It is a well-known issue on the BMW N54/55 platforms that your serpentine belt can fail for various reasons. When this happens, there is a high chance of the belt getting sucked behind the front damper pulley and then being pushed past the crank seal into your oil pan. From there it can get sucked into the oil pick up causing total engine failure. Even if you do not lose the engine, it is a COSTLY repair to remove the sub-frame and drop the oil pan to remove the belt. The best way to combat this is to watch for oil leaks and keep up on your maintenance. BUT, even with those preventative measures, pre-mature belt failure can occur. 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. Vargas' seal is different from those already on market in two major ways. Firstly, it is not offensively priced. Secondly, it is 100% billet with no welds on the tabs to break, no cheap bent thin steel pieces. 100% Billet 6061-T6 aluminum, anodized black for long-term corrosion resistance. Crank Seal Guard includes: One VTT Billet N54/55 Crank Seal Guard Two extended 12.9 Grade bolts, and two stainless washers We highly recommend you install WITH a crank bolt capture at the same time, as you have to remove the damper anyway. Then you will get the benefit of helping eliminate the dreaded spun crank hub and the crank seal issue
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Crankshaft Pulley
Crankshaft Pulley
Corteco - Corporate Logo
T#:586900
Part#: 11238638534
Ships in 2 Business Days
$ 545.99 USD
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$ 545.99 USD
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This is the main crankshaft pulley commonly referred to as the harmonic balancer.
Crankshaft Pulley With Vibration Damper for F15 N57 3.0L
Crankshaft Pulley With Vibration Damper for F15 N57 3.0L
Corteco - Corporate Logo
T#:592806
Part#: 11238511321
In Stock
$ 573.99

This product was last offered at the strikethrough price on
05-07-2026

$ 470.99 USD
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$ 470.99 USD
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Ensure the longevity of your BMW's engine with the accessory pulley.

Designed to prevent crankshaft failure caused by resonance vibrations, this accessory pulley is essential for maintaining your engine's integrity. With each cylinder firing, torque is transferred to the crankshaft, inducing vibrations. These vibrations, when synchronized with engine speeds, can lead to stress beyond the crankshaft's capacity, resulting in failure. The accessory pulley acts as a balancer, mitigating these vibrations and safeguarding your engine's longevity.

  • Prevents crankshaft failure
  • Balances vibrations for engine longevity
  • Safeguards against resonance-induced stress
  • Enhances engine performance and reliability
  • Specifically designed for BMW engines
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