Description
This specific O-ring has a 35mm inner diameter and is 4mm thick. It’s the exact size Busch engineers specify. It fits precisely into its groove to create a tight seal.
Inside your pump, this O-ring might seal an oil line, a housing cover, or a valve connection. Its job is to keep oil in and air out.
When an O-ring gets old, it becomes hard or brittle. It can crack and start to leak. A leak lowers your pump’s performance and can make a mess.
Replacing worn seals with this Busch part is smart maintenance. You get the right material and the perfect size. This ensures a leak-free connection and protects your pump’s performance.
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