Depending on the type of use for which a shaft seal ring is required, it is also made of different materials. In general, a shaft seal ring is composed of a metallic outer ring and a movable sealing lip made of special rubber or plastic compounds on the inside. Depending on the use, the outer ring is closed or has an opening on one side. In either case, the sealing lip is where a shaft seal ring breaks down, as it is the most stressed component. Impurities and unevenness on the shaft, too much or too little grease on the sealing lip, excessive heat or improper installation can all lead to wear. The result is increasing leakage. In the case of a crankshaft shaft seal ring, this is indicated by a high loss of oil. If dirt or moisture penetrate the inside of the housing, whistling noises or a burnt smell can also be a sign that the shaft seal is defective.
A defective Simmerring does not in itself pose an acute danger. Nevertheless, it is advisable to replace it promptly, as the loss of oil can lead to consequential damage and the penetrating moisture and dirt can cause damage inside the housing. Depending on the location of the shaft seal ring, replacement is not so easy, since, for example, in the case of the crankshaft shaft seal ring, the entire clutch and flywheel must be dismantled to reach the ring. A change can take up to 5 hours. It is also very important to grease the sealing lip of the new rotary shaft seal before installation, but not too much. It is also important that the adjustment and tightening torques of the bolted connections are precise. Changing a rotary shaft seal thus requires practical experience and a high level of expertise.
What to consider when you want to buy a shaft seal? Who wants to buy a shaft seal, should first pay attention to where the Simmerring should be installed. There are some for the front side and also for the clutch side. There are also shaft seal rings for the oil pump, for example. Once the application is clear, the next step is to determine the dimensions. The outer and inner dimensions are important here. Both specifications are important so that the spare part can function correctly. In addition, the type of twist can also be relevant, i.e. in which direction the ring moves. There is a left-hand and right-hand twist in the crankshaft shaft seal ring if the shaft only ever moves in one direction. If the shaft can rotate in both directions, a rotary shaft seal with alternating twist is required.
When choosing rotary shaft seals, you can rely on us for high quality products from reputable manufacturers. These include brand manufacturers such as:
All brand manufacturers are characterized by the fact that they use high-quality materials, so that the shaft seal rings have a longer life. All products offered by us comply with the specifications of the vehicle manufacturers and thus have a high accuracy of fit.
To buy the right shaft ring, either enter the part number you need or select your vehicle. This reduces the view to only matching items. If you are still unsure which Simmerring is the right one for your vehicle, you are welcome to contact our customer service with the 17-digit chassis number.
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