Cadillac XTS 2013-2019: The Parts That Actually Wear Out

The XTS 1st Gen ran from 2013-2019 and is the livery favorite. After enough of these come across the parts counter you start to see the same short list of components over and over. Here is what owners of this generation actually end up buying, and what to know before you order.

Cooling System

The usual tell is a heater that blows cool at idle and warm at speed. The number in the manual assumes conditions most people in North Texas do not have.

Common parts in this group: radiators, water pumps, thermostats, coolant hoses, cooling fans.

Worth knowing: Aftermarket radiators frequently use fewer rows or thinner tanks than the original, which shows up as a heat problem only when you tow.

Glass and Wipers

The usual tell is wipers that park in the wrong position. Mileage is a rough guide here. Load, heat and road surface matter more.

Common parts in this group: wiper blades, wiper transmissions, wiper motors, washer pumps, rain sensors.

Worth knowing: Windshields with acoustic interlayer, HUD or camera brackets are not interchangeable with base glass.

Sensors, Cameras and Driver Assistance

The usual tell is a backup camera image that flickers, goes blue, or shows lines. Mileage is a rough guide here. Load, heat and road surface matter more.

Common parts in this group: park assist sensors, backup cameras, blind zone modules, front camera modules, radar sensors.

Worth knowing: Camera and radar aim is a service procedure, not a bolt-on.

Body and Exterior

The usual tell is a window that drops into the door or moves crookedly. How the vehicle gets used moves this interval more than the odometer does.

Common parts in this group: mirrors, door handles, grilles, bumper covers, headlamps.

Worth knowing: Factory paint codes only work if the substrate and primer are the same.

Interior

The usual tell is carpet that stays damp under a worn factory mat. Heat is the accelerant on this one, which is why it shows up faster here than up north.

Common parts in this group: floor liners, carpet floor mats, console lids, seat covers, shift knobs.

Worth knowing: GM Accessories liners are laser-measured to the specific floor pan and retain the factory anchor posts, which is a safety item.

Brakes

The usual tell is a pedal that sits lower than it used to, or sinks slowly at a stoplight. Worth checking at the same time you rotate tires, since the wheel is already off.

Common parts in this group: brake pads, brake rotors, brake calipers, brake hoses, wheel speed sensors.

Worth knowing: GM friction material is matched to the specific rotor metallurgy and the ABS calibration on your vehicle.

Before You Order

Have the VIN ready. On a XTS the same model year can carry two or three different engines and several suspension packages.
Check the SPID label in the glove box or console for your RPO codes.
Front and rear parts are rarely the same number, even when they look identical.
If the part is electrical, confirm the fit before you order. Electrical parts are not returnable at any GM dealer, including us.

Shops and fleets can set up wholesale pricing at gmpartsclub.com/wholesale. Everyone else can start at our Cadillac OEM parts catalog or search for XTS parts.