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Corteco
Corteco is a leading global automotive aftermarket brand and part of the Freudenberg Group, bringing original equipment expertise and engineering quality directly to the independent aftermarket. With a comprehensive portfolio of automotive spare parts, Corteco specialises in sealing solutions, vibration control, steering and suspension components, and filtration products.
Drawing on Freudenberg’s extensive OE manufacturing and engineering expertise, Corteco supplies high-quality components designed for reliability, durability and precise vehicle fitment. Its product portfolio includes oil seals, gaskets, engine and transmission seals, engine mounts, pulleys, suspension components and premium micronAir® cabin air filters.
Serving passenger cars, commercial and heavy-duty vehicles, two-wheelers and e-mobility applications, Corteco provides workshops, distributors and vehicle owners with trusted OE-quality replacement parts backed by decades of automotive innovation and technical expertise.
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
The Corteco Crankshaft Pulley Dampener is a replacement crankshaft vibration damper and pulley for compatible Porsche applications.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 4
Mounted at the front of the crankshaft, the pulley dampener performs two important functions: it provides the drive interface for the engine's auxiliary belt system while also helping absorb and control torsional vibrations generated by the rotating crankshaft.
Unlike a conventional solid pulley, a crankshaft dampener typically incorporates a vibration-absorbing element between sections of the assembly. With age, mileage, heat and repeated engine cycles, this damping material can deteriorate, crack or separate. A failing pulley can cause excessive vibration, belt misalignment, unusual noises and potentially damage surrounding belt-driven components.
What This Product Does:
The crankshaft pulley dampener is fitted to the crankshaft and rotates whenever the engine is running.
Its primary functions are to:
- Help absorb crankshaft torsional vibration
- Reduce vibration transmitted through the engine
- Provide a drive surface for the auxiliary belt
- Help maintain correct belt alignment
- Support smooth operation of belt-driven accessories
- Reduce stress on associated engine and belt-drive components
Every combustion event creates rotational forces within the crankshaft. The dampening element is designed to absorb some of these oscillations before they are transmitted through the engine and accessory drive.
Symptoms Of Wear Or Failure:
Common signs of deterioration can include:
A badly deteriorated pulley dampener should be replaced promptly.
Why Replacement Matters:
Replacing a worn or damaged crankshaft pulley dampener helps restore correct vibration control and auxiliary belt operation.
A serviceable replacement can help:
- Restore crankshaft vibration dampening
- Maintain correct auxiliary belt alignment
- Reduce excessive belt vibration
- Prevent pulley wobble
- Reduce abnormal belt-drive noise
- Protect the auxiliary belt
- Reduce unnecessary stress on tensioners and idlers
- Support reliable operation of belt-driven accessories
Ignoring a visibly deteriorated dampener can lead to additional belt-drive problems and potentially leave the vehicle with a failed or displaced auxiliary belt.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958105251B
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