Description
Replacing this assembly is part of a pump overhaul. It’s not a routine filter change, but a repair that restores precise internal function.
Using the Busch part is critical. It is machined to exact dimensions to ensure a perfect fit and smooth operation within the valve mechanism.
Think of it as a low-friction bushing that keeps an important internal component moving as it should. It’s a specialized part for maintaining the full functionality of your pump.

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