2010 Cadillac CTS Radiators

Genuine GM radiators for the 2010 Cadillac CTS, at wholesale prices. Radiator part numbers split on engine, transmission cooler and tow package, and the fittings differ between them. Second generation Sigma through 2013 and the Alpha based third generation from 2014 to 2019.

How you know

Overheating in traffic, or coolant pooling at the front of the vehicle. On a mid-size car, trim and package content split these part numbers in ways a diagram will not show.

Why buy OEM here

• Wholesale pricing. Most radiators numbers land well below dealer list.
• No aftermarket substitutes. These are GM radiators, not OE-style equivalents.
• We catch the wrong part before you do. VIN verification is free on every radiators order.

Confirming fitment

OEM components carry GM warranty coverage, which is usually worth more than the price gap on the invoice. If you are unsure which version you have, give us the VIN and our specialists will confirm fitment. Stock moves out the door the day you order it, assuming you beat the mid-afternoon cutoff.