GM GENUINE 21820
GM GENUINE part number 21820 is a radiator in the Cooling System system. This catalog matches it to 6 year-and-engine configurations from 2013 to 2015.
Verified fitment includes 2015 Cadillac CTS 3.6L V6 ; 2014 Cadillac Ats 2.0L L4 Turbocharged ; 2014 Cadillac Ats 3.6L V6 ; 2014 Cadillac CTS 2.0L L4 Turbocharged ; 2014 Cadillac CTS 3.6L V6 , plus 1 other configuration. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE 21820?
GM GENUINE part number 21820 is a radiator with published application data for 6 vehicle configurations from 2013 to 2015. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE 21820 fit?
This catalog matches 21820 to 6 year-and-engine configurations from 2013 to 2015. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE 21820 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE 21820 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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