An air leak inside the pump means your pump cannot pull a strong vacuum. The pump works harder but gets less done. An oil leak is messy and means you have to add oil more often.
This gasket stops all those problems. It keeps the air flowing the right way and the oil where it belongsĀ .
We kept this simple. This Part# 00310326600 fits the following Becker U Series pumpsĀ :
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U4.400
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U4.400D
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U4.630
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U4.630D
This gasket also fits many other versions of these pumps, including U4.400 F/K, U4.400 SA/K, U4.630 F/K, and U4.630 SA/K pumps across various index versions
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