2020 GMC Yukon XL Engine Parts

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor. Read more

This group shows a single part: GM GENUINE 12711681.

This table covers the camshafts that open the valves. Read more

6 Camshaft parts for the 2020 GMC Yukon XL come from 4 brands — MELLING, ENGINETECH, GM GENUINE and 1 other brand. The "Popular" part is GM GENUINE 12619823.

This group includes GM GENUINE 12619823, MELLING MC1423 and ENGINETECH ES5438 and the remaining parts above.

This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

2 Camshaft Bearing parts for the 2020 GMC Yukon XL come from 2 brands — GM GENUINE and MAHLE / CLEVITE.

This group includes GM GENUINE 12686894 and MAHLE / CLEVITE SH2231S.

This table covers the Camshaft bolts. Read more

One part is listed for the 2020 GMC Yukon XL — ELRING 857390.

This table covers the Camshaft Dowel pins. Read more

This group shows a single part: GM GENUINE 24575061.

This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

6 Camshaft Retainer / Thrust Plate parts are listed for the 2020 GMC Yukon XL, from APEX, FEL-PRO, MELLING and 2 other brands. FEL-PRO ES73115 carries the "Popular" badge.

This group includes FEL-PRO ES73115, MELLING MF127 and APEX AES319 and the remaining parts above.

This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2020 GMC Yukon XL — VICTOR REINZ 711836900.

This table covers the connecting rods between each piston and the crankshaft. Read more

This group shows a single part: GM GENUINE 12649190.

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

21 Connecting Rod Bearing parts for the 2020 GMC Yukon XL come from 4 brands — MAHLE / CLEVITE, ENGINETECH, SEALED POWER and 1 other brand. The "Popular" part is ENGINETECH BB253J.

The High Performance section lists 11 options from MAHLE / CLEVITE — engineered beyond original-equipment specification. MAHLE / CLEVITE CB663HN is listed in this group.

In the Standard Replacement grade, MAHLE / CLEVITE, ENGINETECH, SEALED POWER and 1 other brand supply 10 parts: built to original-equipment specification. A representative part number is ENGINETECH BB253J.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2020 GMC Yukon XL — GM GENUINE 11570662.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

6 Conversion / Lower Gasket Set parts for the 2020 GMC Yukon XL come from 6 brands — FEL-PRO, SKP, AJUSA and 3 other brands. The "Popular" part is FEL-PRO CS26744.

Listed part numbers: FEL-PRO CS26744, SKP SKCS26744 and AJUSA 54323200, plus the other parts above.

This table covers the crankshafts that turn piston motion into rotation. Read more

This group shows a single part: GM GENUINE 12685650.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

4 Crankshaft Main Bearing parts are listed for the 2020 GMC Yukon XL, from ENGINETECH, GM GENUINE and MAHLE / CLEVITE.

This group includes ENGINETECH BC623J, ENGINETECH BC500J and GM GENUINE 12729654 and the remaining parts above.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

3 Crankshaft Main Bearing Cap Bolt parts for the 2020 GMC Yukon XL come from GM GENUINE.

This group includes GM GENUINE 11546565, GM GENUINE 11548076 and GM GENUINE 11548075.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

11 Crankshaft Seal parts are listed for the 2020 GMC Yukon XL, from APEX, FEL-PRO, GM GENUINE and 3 other brands. FEL-PRO BS40765 carries the "Popular" badge.

This table covers the Crankshaft Seal covers. Read more

2 Crankshaft Seal Cover parts for the 2020 GMC Yukon XL come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 635786 and GM GENUINE 12705663.

This table covers the gaskets that seal the Crankshaft Seal. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: GM GENUINE 12627520.

This table covers the kits that disable cylinder deactivation. Read more

MELLING supplies both parts for the 2020 GMC Yukon XL.

Listed part numbers: MELLING MDK400 and MELLING MDK400HPT.

This table covers the Cylinder Deactivation Delete Block-Off plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

This group shows a single part: MELLING MDKP1.

This table covers the Cylinder Deactivation solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

One part is listed for the 2020 GMC Yukon XL — GM GENUINE 12697806.

This table covers the Cylinder Head Alignment Dowel pins. Read more

4 Cylinder Head Alignment Dowel Pin parts for the 2020 GMC Yukon XL come from 2 brands — GM GENUINE and PIONEER.

Part numbers include GM GENUINE 12570326, GM GENUINE 90351710 and PIONEER S1115, among others listed above.

This table covers the bolts that clamp the cylinder head to the block. Read more

5 Cylinder Head Bolt parts for the 2020 GMC Yukon XL come from 4 brands — GM GENUINE, APEX, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 11546959.

Listed part numbers: GM GENUINE 11546959, APEX AHB1351 and FEL-PRO ES73121, plus the other parts above.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

7 Cylinder Head Gasket parts for the 2020 GMC Yukon XL come from 7 brands — FEL-PRO, GM GENUINE, AJUSA and 4 other brands. The "Popular" part is FEL-PRO 26744PT.

Listed part numbers: FEL-PRO 26744PT, GM GENUINE 12622325 and AJUSA 10264700, plus the other parts above.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

8 Cylinder Head Gasket Set parts for the 2020 GMC Yukon XL come from 7 brands — FEL-PRO, GM GENUINE, SKP and 4 other brands. The "Popular" part is GM GENUINE 12700996.

Part numbers include GM GENUINE 12700996, SKP SKHS54996 and AJUSA 52614200, among others listed above.

This table covers the wear sleeves used to restore a Cylinder seal surface. Read more

This group shows a single part: MELLING CSL355F.

This table covers the Engine Block drain plugs. Read more

2 Engine Block Drain Plug parts for the 2020 GMC Yukon XL come from GM GENUINE.

Part numbers include GM GENUINE 11602951 and GM GENUINE 11546667.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

2 Engine Block Heater parts are listed for the 2020 GMC Yukon XL, from GM GENUINE and KAT'S HEATERS.

Listed part numbers: GM GENUINE 12586687 and KAT'S HEATERS 28510.

This table covers the Engine covers. Read more

2 Engine Cover parts for the 2020 GMC Yukon XL come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO GM1228194, among others listed above.

This table covers the Engine Cover grommets. Read more

One part is listed for the 2020 GMC Yukon XL — GM GENUINE 12594875.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

2 Engine Kit Gasket Set parts for the 2020 GMC Yukon XL come from 2 brands — AJUSA and FEL-PRO.

Listed part numbers: AJUSA 50552300 and FEL-PRO 2603198.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

5 Exhaust Valve parts are listed for the 2020 GMC Yukon XL, from GM GENUINE, ENGINETECH, MELLING and 2 other brands. GM GENUINE 12678745 carries the "Popular" badge.

This group includes GM GENUINE 12678745 and ENGINETECH V3433 and the remaining parts above.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

4 Harmonic Balancer parts for the 2020 GMC Yukon XL come from 4 brands — ATP, DORMAN, GM GENUINE and 1 other brand.

This group includes ATP 102406, DORMAN 594716 and GM GENUINE 12684590 and the remaining parts above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts are listed for the 2020 GMC Yukon XL, from FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73372 and GM GENUINE 11547372.

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

2 Intake Manifold parts are listed for the 2020 GMC Yukon XL, from GM GENUINE and VAICO.

Part numbers include GM GENUINE 12748173 and VAICO V510597.

This table covers the Intake Manifold bolts. Read more

2 Intake Manifold Bolt parts for the 2020 GMC Yukon XL come from GM GENUINE.

Part numbers include GM GENUINE 11610472 and GM GENUINE 11611692.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

11 Intake Manifold Gasket parts for the 2020 GMC Yukon XL come from 6 brands — MAHLE / CLEVITE, FEL-PRO, APEX and 3 other brands. The "Popular" part is FEL-PRO MS97402.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

5 Intake Valve parts are listed for the 2020 GMC Yukon XL, from GM GENUINE, ENGINETECH, MELLING and 2 other brands. GM GENUINE 12619825 carries the "Popular" badge.

This group includes GM GENUINE 12619825 and ENGINETECH V3432 and the remaining parts above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

18 Motor Mount parts are listed for the 2020 GMC Yukon XL, from ANCHOR, PIONEER, WESTAR and 3 other brands. ANCHOR 3275 carries the "Popular" badge.

In the Economy grade, SKP supplies 2 parts: the catalog's value-priced group. A representative part number is SKP SKMA5738.

The Standard Replacement section: 16 options from ANCHOR, PIONEER, WESTAR and 2 other brands. ANCHOR 3275 is listed in this group.

This table covers the Motor Mount bolts. Read more

2 Motor Mount Bolt parts for the 2020 GMC Yukon XL come from GM GENUINE.

Listed part numbers: GM GENUINE 11588273 and GM GENUINE 11517639.

This table covers the Motor Mount kits. Read more

ANCHOR supplies the 6 Motor Mount Kit parts for the 2020 GMC Yukon XL. ANCHOR 300863 carries the "Popular" badge.

Listed part numbers: ANCHOR 300863, ANCHOR 300862 and ANCHOR 300008, plus the other parts above.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

22 Oil parts are listed for the 2020 GMC Yukon XL, from LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands. ACDELCO 109302 carries the "Popular" badge.

In the Full Synthetic grade, LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands supply 20 parts: full-synthetic oils. A representative part number is ACDELCO 109302.

The High Mileage (>75,000 Miles) section lists 2 options from MOBIL — oils grouped for high-mileage engines. MOBIL 122535 is listed in this group.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

6 Oil Cooler Gasket parts for the 2020 GMC Yukon XL come from 5 brands — FEL-PRO, DORMAN, GM GENUINE and 2 other brands. The "Popular" part is DORMAN 66219.

This group includes DORMAN 66219, GM GENUINE 23129010 and FEL-PRO 73160 and the remaining parts above.

This table covers the Oil Cooler lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

One part is listed for the 2020 GMC Yukon XL — GM GENUINE 84791853.

This table covers the harness connectors at the Oil Cooler Line. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: GM GENUINE 23378668.

This table covers the Oil Dipstick tubes. Read more

3 Oil Dipstick / Tube parts are listed for the 2020 GMC Yukon XL, from GM GENUINE and DORMAN.

This group includes DORMAN 918665, GM GENUINE 12652951 and GM GENUINE 12643278.

This table covers the seals at the Oil Dipstick / Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

2 Oil Dipstick / Tube Seal parts for the 2020 GMC Yukon XL come from 2 brands — FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73889 and GM GENUINE 24504031.

This table covers the drain plugs in the oil pan. Read more

6 Oil Drain Plug parts are listed for the 2020 GMC Yukon XL, from DORMAN, GM GENUINE, AGS and 1 other brand. DORMAN 090034 carries the "Popular" badge.

Listed part numbers: DORMAN 090034, DORMAN 090175 and AGS ODP00009, plus the other parts above.

This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

9 Oil Drain Plug Gasket parts for the 2020 GMC Yukon XL come from 7 brands — FEL-PRO, DORMAN, GM GENUINE and 4 other brands. The "Popular" part is FEL-PRO 70820.

Listed part numbers: FEL-PRO 70820, GM GENUINE 12616850 and AJUSA 01288800, plus the other parts above.

This table covers the caps on the oil filler neck. Read more

4 Oil Filler Cap parts are listed for the 2020 GMC Yukon XL, from ACDELCO, CALORSTAT, DORMAN and 1 other brand.

This group includes ACDELCO 12713785, CALORSTAT OC2314 and DORMAN 90202 and the remaining parts above.

This table covers the gaskets that seal the Oil Filler Cap. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: FEL-PRO 73193.

This table covers the Oil Filler tubes. Read more

One part is listed for the 2020 GMC Yukon XL — GM GENUINE 12668614.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

13 Oil Filter parts are listed for the 2020 GMC Yukon XL, from VARIOUS MFR, WIX, ACDELCO and 7 other brands. WIX WL10255XP carries the "Popular" badge.

Economy: 4 parts, from FRAM, FVP, PRO-TEC and 1 other brand. A representative part number is FRAM FE10575.

In the High Performance / Heavy Duty grade, WIX and MOBIL supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is WIX WL10255XP.

The Standard Replacement section: 7 options from ACDELCO, WIX, BOSCH and 3 other brands. ACDELCO PF63 is listed in this group.

This table covers the Oil Filter adapters. Read more

This group shows a single part: GM GENUINE 12600225.

This table covers the Oil Galley plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

4 Oil Galley Plug parts are listed for the 2020 GMC Yukon XL, from MELLING, ENGINETECH and GM GENUINE.

Listed part numbers: ENGINETECH OGV2, GM GENUINE 11546667 and MELLING MOGP200, plus the other parts above.