Retaining ring (ATC350, ATC35L, ATC450, ATC45L, PL72 ATC, 95B, Hyundai ATC, AUDI ATC)
€10 (Net: €7,87)
7 in stock
Description
The retaining ring is made of spring steel. It is suitable for securing bearings mounted on shafts.
Which transfer cases is this retaining ring compatible with?
This retaining ring is designed for a wide range of modern transfer cases, specifically the BMW ATC350, ATC35L, ATC450, and ATC45L models. It is also compatible with Porsche 95B (Macan) and PL72 ATC units, as well as Audi and Hyundai ATC systems.
Why is spring steel used for this specific part?
Spring steel is used because it allows the ring to be expanded during installation and then snap back to its original shape with high tension. This ensures the bearing stays locked firmly on the shaft even under the high vibration and heat of the drivetrain.
Should I replace the retaining ring every time I service the transfer case?
Yes, mechanics recommend replacing retaining rings during a rebuild. Once a ring is removed, it can suffer from “fatigue” or slight deformation. A new ring prevents the risk of a bearing shifting, which could cause catastrophic internal damage.
Will this part fit my BMW X5 or Porsche Macan?
If your BMW X5 uses the ATC450 transfer case or your Porsche Macan uses the 95B/PL72 system, this is the correct part for securing the internal bearings. Always verify your transfer case model code before purchasing.
What happens if a retaining ring fails inside the transfer case?
If the ring fails, the bearing it secures can move axially along the shaft. This leads to misalignment of gears, increased noise, metal shavings in the oil, and eventually complete transfer case failure.
Additional information
| Weight | 0,009 kg |
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