2015-2020 GMC Yukon Parts Guide: What Owners Replace First

The Yukon K2XX ran from 2015-2020 and is leaf-sprung rear. 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.

Body and Exterior

The usual tell is a mirror that shakes at highway speed after a folding motor fails. Mileage is a rough guide here. Load, heat and road surface matter more.

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. Mileage is a rough guide here. Load, heat and road surface matter more.

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

Worth knowing: Genuine trim matches grain and color code, which universal parts never quite do.

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: GM wiper arms and blades are matched to the specific windshield curvature, and length is not the only variable.

Brakes

The usual tell is a grinding noise, which means the friction material is already gone. The number in the manual assumes conditions most people in North Texas do not have.

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

Worth knowing: Pad compound changes brake torque, and brake torque is one of the inputs the stability control system assumes it knows.

Suspension

The usual tell is the body keeps moving after you cross a dip instead of settling once. Owners who do mostly short trips see this sooner than the mileage suggests.

Common parts in this group: shocks, struts, control arms, ball joints, sway bar links.

Worth knowing: GM valving is tuned to the specific spring rate and curb weight of your trim, and a generic replacement changes the whole balance.

Ignition and Engine Management

The usual tell is a rough idle that smooths out above 2,000 rpm. Worth checking at the same time you rotate tires, since the wheel is already off.

Common parts in this group: spark plugs, ignition coils, camshaft position sensors, crankshaft position sensors, oxygen sensors.

Worth knowing: Coil primary resistance affects dwell, and the ECM is calibrated for the factory value.

Before You Order

Have the VIN ready. On a Yukon 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.

We are a factory GM dealer, not a reseller, so what you order is the same part the service drive installs. Browse our GMC OEM parts catalog or search for Yukon parts.