Piston Ring, locking – 63 dia x 2.5mm – Part # 488527221 – vacstellar

Description

This is the Shim, 3.02 mm – Part #433552221. It is a replacement part made for the Busch COBRA NC0630B dry claw vacuum pump. Because it is an OEM part, you can be sure it will fit perfectly and function just like the original. This shim is made to the exact thickness required for your Busch COBRA pump. It is a direct OEM replacement. Using the correct thickness (3.02 mm) is critical for maintaining the factory settings of your pump.