Your Partner, Knowledgeable, Dependable & Fast


Sigma’s expansive inventory of MRI, CT, and PET CT parts spans all leading brands and system generations, from the most common failure parts to hard-to-find parts.

We can provide same day parts delivery in the northeast.

Our knowledgeable and friendly staff members quickly process your order, working with you to ensure you get the parts you need, exactly when and where you need them.


When you buy parts from Sigma you get a whole lot more, including the experience and expertise of an in-house technical support team. .

If you need assistance identifying a CT or MRI part or assembly, our team can help, guiding you through your order to ensure you receive the correct part.

Our Promise

Sigma sees you through your toughest part and repair issues. We stand behind our products.