Question: What is your return policy?
Answer: Please find our Return Policy here

Question: What payment processors does Sigma Parts use?
Answer: We partner with Stripe and PayPal for Verified Secure Payments, and accept all major payments.  If your company prefers a payment not available through our checkout page, please contact us.

Question: Are all of the prices on Sigma Parts accurate?
Answer: While we do our best to maintain price accuracy throughout the site, Sigma Parts does reserve the right to amend its pricing up or down, depending on the costs and delivery times provided by the manufacturers.  If there are any instances of price discrepancies, we will have this resolved within 48 hours.