The GM Genuine Parts 15-63666 AC Condenser uses the specific mounting points and brazed aluminum construction designed by GM engineers to match the original equipment (OE) dimensions for Chevrolet, Buick, GMC, and Cadillac vehicles. Because this part is an OE component, the mounting bracket design is engineered to align with factory holes, meaning it should not require modification or drilling to the vehicle’s frame.
The 15-63666 Condenser is a heat exchanger that cools the refrigerant in your vehicle’s air conditioning system. We selected this specific model for our review because it maintains the brazed and mechanically bonded aluminum construction used in the original factory units. For an AC condenser replacement for a car, verifying these mounting points is critical because even a slight misalignment in the inlet or outlet ports can prevent the high-pressure lines from connecting without bending. This unit is designed to work with GM vehicle safety systems, whereas aftermarket replacements may not meet the same OE safety regulations or material grades. The 15-63666 Condenser is rated 4.4 by 128 buyers and costs around $126.89.
What to Check Before Buying the 15-63666 Condenser
Before ordering this part, confirm these specific details to ensure a successful installation by a qualified technician:
- Verify that the mounting hole spacing matches your specific trim level or engine type, as GM sometimes uses different configurations for the same part number.
- Confirm the clearance offsets for your specific front bumper assembly and cooling fan shroud to ensure the bumper closes fully.
- Check if the unit includes the necessary mounting hardware or if the brackets are sold separately.
- Ensure the AC line fittings and hose routing on your vehicle align with the port positions on this condenser.
- Confirm the orientation (Driver vs Passenger side) to ensure the hose connections are not mirrored.
Comparing the 15-63666 Condenser to Other Options
The 15-63666 Condenser serves as a high-standard reference point because it is a GM Genuine Part, meaning it uses factory-spec materials and fin density. Buyers seeking a lower price point may look at aftermarket replacements, but these often use cost-optimized materials that may not meet the same OE safety regulations. If your vehicle requires precise integration with safety systems or specific material thicknesses, the GM Genuine Part is the appropriate choice over a budget alternative.
If you are searching for a different vehicle, see the top rated options for a Chevy Astro.
If you require a component that matches the exact engineering specifications and safety standards of the original factory equipment, choose the GM Genuine Parts 15-63666 AC Condenser.
GM Genuine Parts 15-63666 Air Conditioning Condenser
Owners of heavy-duty vehicles can view our comparison of Buick Commercial Chassis condensers.
$126.89 price checked August 2026