2020 Cadillac XT4 Engine Parts

This table covers the chains that drive the balance shafts. Read more

This group shows a single part: S.A. GEAR C1212.

This table covers the guides that keep the balance-shaft chain on its path. Read more

This group shows a single part: S.A. GEAR 91400.

This table covers the Balance Shaft Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

One part is listed for the 2020 Cadillac XT4 — S.A. GEAR 71298.

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: S.A. GEAR S1514.

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

2 Camshaft parts for the 2020 Cadillac XT4 come from GM GENUINE.

This group includes GM GENUINE 12703359 and GM GENUINE 55511463.

This table covers the Circular / Semi-Circular 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

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

Listed part numbers: GM GENUINE 11562126 and GM GENUINE 11546667.

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

This group shows a single part: AJUSA 54324400.

This table covers the Crankcase 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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 12740187.

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

This group shows a single part: GM GENUINE 55514675.

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

4 Crankshaft Seal parts are listed for the 2020 Cadillac XT4, from AJUSA, ELRING and GM GENUINE.

Listed part numbers: AJUSA 71015600, AJUSA 71016100 and ELRING 716640, plus the other parts above.

This table covers the Crankshaft Seal covers. Read more

This group shows a single part: GM GENUINE 55486914.

This table covers the cylinder heads that close the top of the block. Read more

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 12729488.

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

6 Cylinder Head Bolt parts for the 2020 Cadillac XT4 come from 2 brands — GM GENUINE and AJUSA. The "Popular" part is GM GENUINE 11548171.

Listed part numbers: GM GENUINE 11548171, AJUSA 81083100 and GM GENUINE 11603109, 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

3 Cylinder Head Gasket parts for the 2020 Cadillac XT4 come from 3 brands — AJUSA, FEL-PRO and GM GENUINE.

Listed part numbers: AJUSA 10265600, FEL-PRO 26934PT and GM GENUINE 55486594.

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

This group shows a single part: AJUSA 52618900.

This table covers the Cylinder Head 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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 11546667.

This table covers the Engine Block drain plugs. Read more

2 Engine Block Drain Plug parts for the 2020 Cadillac XT4 come from GM GENUINE.

This group includes GM GENUINE 11602951 and GM GENUINE 11546667.

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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 12586687.

This table covers the Engine covers. Read more

3 Engine Cover parts for the 2020 Cadillac XT4 come from 2 brands — TECHPRO and VARIOUS MFR.

This group includes TECHPRO GM1228176 and TECHPRO GM1228189 and the remaining parts above.

This table covers the Engine Cover retainers and clips. Read more

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

Listed part numbers: GM GENUINE 10121502 and GM GENUINE 11518792.

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

This group shows a single part: AJUSA 50554900.

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

2 Harmonic Balancer parts for the 2020 Cadillac XT4 come from 2 brands — SKP and GM GENUINE.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK55487414 is listed in this group.

In the Standard Replacement grade, GM GENUINE supplies 1 part: built to original-equipment specification. A representative part number is GM GENUINE 55487414.

This group includes SKP SK55487414 and GM GENUINE 55487414.

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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 55515837.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: GM GENUINE 11548171.

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

2 Intake Manifold Gasket parts for the 2020 Cadillac XT4 come from 2 brands — AJUSA and GM GENUINE.

Listed part numbers: AJUSA 13328800 and GM GENUINE 55488180.

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

5 Motor Mount parts are listed for the 2020 Cadillac XT4, from GM GENUINE, ANCHOR, PIONEER and 1 other brand. GM GENUINE 23272797 carries the "Popular" badge.

This group includes GM GENUINE 23272797, ANCHOR 3610 and GM GENUINE 23272795 and the remaining parts above.

This table covers the Motor Mount bolts. Read more

This group shows a single part: GM GENUINE 11547918.

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

21 Oil parts are listed for the 2020 Cadillac XT4, from LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands. ACDELCO 109302 carries the "Popular" badge.

In the Full Synthetic grade, LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands supply 18 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.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

2 Oil Cooler parts are listed for the 2020 Cadillac XT4, from GM GENUINE and STANDARD MOTOR PRODUCTS.

Listed part numbers: GM GENUINE 55486915 and STANDARD MOTOR PRODUCTS OCK135.

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

4 Oil Cooler Gasket parts for the 2020 Cadillac XT4 come from 2 brands — ELRING and ACDELCO.

Listed part numbers: ACDELCO 55488933, ELRING 815560 and ELRING 074570, plus the other 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

GM GENUINE supplies the 3 Oil Cooler Line parts for the 2020 Cadillac XT4.

Listed part numbers: GM GENUINE 90572594, GM GENUINE 55505201 and GM GENUINE 11611503.

This table covers the seals at the Oil Cooler. 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

This group shows a single part: ACDELCO 55488933.

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

4 Oil Dipstick / Tube Seal parts for the 2020 Cadillac XT4 come from 3 brands — GM GENUINE, ELRING and FEL-PRO.

Listed part numbers: ELRING 584210, FEL-PRO 73889 and GM GENUINE 24504031, plus the other parts above.

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

3 Oil Drain Plug parts are listed for the 2020 Cadillac XT4, from DORMAN and GM GENUINE.

Part numbers include DORMAN 090854CD, DORMAN 090854 and GM GENUINE 12713651.

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

2 Oil Drain Plug Gasket parts for the 2020 Cadillac XT4 come from 2 brands — AJUSA and GM GENUINE.

Listed part numbers: AJUSA 16503200 and GM GENUINE 12667457.

This table covers the Oil Drain Plug Removal tools. This is a service tool, not a wear part — match the application in the notes. Read more

One part is listed for the 2020 Cadillac XT4 — DORMAN 090999.

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

3 Oil Filler Cap parts are listed for the 2020 Cadillac XT4, from ACDELCO, CALORSTAT and MOTORAD.

This group includes ACDELCO FC275, CALORSTAT OC2314 and MOTORAD MO190.

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

4 Oil Filler Cap Gasket parts for the 2020 Cadillac XT4 come from 3 brands — ELRING, FEL-PRO and GM GENUINE.

Listed part numbers: ELRING 592250, ELRING 823620 and FEL-PRO 73193, plus the other parts above.

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

11 Oil Filter parts are listed for the 2020 Cadillac XT4, from WIX, ACDELCO, FVP and 6 other brands. WIX WL10351XP carries the "Popular" badge.

Economy: 3 parts, from FVP, PRO-TEC and VARIOUS MFR. A representative part number is FVP R0351.

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 WL10351XP.

The Standard Replacement section: 6 options from ACDELCO, WIX, HASTINGS / BALDWIN and 2 other brands. ACDELCO PF66 is listed in this group.

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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 11570754.

This table covers the oil pans that hold the engine's oil sump. Read more

2 Oil Pan parts for the 2020 Cadillac XT4 come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 266031 and GM GENUINE 12717172.

This table covers the Oil Pan bolts. Read more

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 11548002.

This table covers the gaskets between the oil pan and the block. 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

One part is listed for the 2020 Cadillac XT4 — VICTOR REINZ 703141410.

This table covers the Oil Pressure Relief Valve 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

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 11570754.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

Part numbers include GM GENUINE 55509155 and GM GENUINE 12741330.

This table covers the Oil Pump bolts. Read more

3 Oil Pump Bolt parts for the 2020 Cadillac XT4 come from GM GENUINE.

Part numbers include GM GENUINE 11548002, GM GENUINE 11548171 and GM GENUINE 11547739.

This table covers the Oil Pump Control Valve 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

This group shows a single part: GM GENUINE 12740050.

This table covers the gaskets that seal the Oil Pump. 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 55500219.

This table covers the Oil Temperature senders. Read more

3 Oil Temperature Sender parts for the 2020 Cadillac XT4 come from 3 brands — ACDELCO, GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes ACDELCO 15494665, GM GENUINE 55494665 and STANDARD MOTOR PRODUCTS TX352.

This table covers the rings that seal each piston to the cylinder wall. Read more

This group shows a single part: GM GENUINE 12720003.

This table covers the Rocker Arm nuts. Read more

This group shows a single part: GM GENUINE 11546449.

This table covers the timing chains that keep the cams in time with the crank. Read more

2 Timing Chain parts for the 2020 Cadillac XT4 come from 2 brands — GM GENUINE and S.A. GEAR.

Part numbers include GM GENUINE 55514729 and S.A. GEAR C1211.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

One part is listed for the 2020 Cadillac XT4 — S.A. GEAR 76438.

This table covers the guides and dampers that keep the timing chain on its path. Read more

6 Timing Chain Guide / Damper parts for the 2020 Cadillac XT4 come from 2 brands — GM GENUINE and S.A. GEAR. The "Popular" part is GM GENUINE 11547061.

Listed part numbers: GM GENUINE 11547061, GM GENUINE 11561619 and GM GENUINE 55496987, plus the other parts above.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

3 Timing Chain Tensioner parts are listed for the 2020 Cadillac XT4, from GM GENUINE and S.A. GEAR.

Part numbers include GM GENUINE 11547061, GM GENUINE 12709437 and S.A. GEAR 91398.

This table covers the Timing covers. Read more

3 Timing Cover parts for the 2020 Cadillac XT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 55486913, GM GENUINE 12741848 and GM GENUINE 55514491.

This table covers the Timing Cover bolts. Read more

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

This group includes GM GENUINE 11548002 and GM GENUINE 11547061.

This table covers the gaskets that seal the Timing Cover. 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

One part is listed for the 2020 Cadillac XT4 — ELRING 050130.

This table covers the seals at the Timing Cover. 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 Cadillac XT4 — GM GENUINE 12741846.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

2 Timing Crank Sprocket parts are listed for the 2020 Cadillac XT4, from GM GENUINE and S.A. GEAR.

Listed part numbers: GM GENUINE 55509047 and S.A. GEAR S1513.

This table covers the brackets that mount the Torque Strut. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2020 Cadillac XT4 — DEA / MARMON RIDE CONTROL A20128.

This table covers the Torque Strut mounts. 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

3 Torque Strut Mount parts for the 2020 Cadillac XT4 come from 3 brands — ANCHOR, GM GENUINE and PIONEER.

Part numbers include ANCHOR 3389, GM GENUINE 84235386 and PIONEER 633389.

This table covers the turbochargers that compress intake air. Read more

One part is listed for the 2020 Cadillac XT4 — GPD 2512000.

This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Turbocharger Boost Sensor parts for the 2020 Cadillac XT4 come from 2 brands — WELLS and GM GENUINE.

The Economy section: 1 option from WELLS. WELLS 5S13833 is listed in this group.

Standard Replacement: 1 part, from GM GENUINE. A representative part number is GM GENUINE 12694431.

Listed part numbers: WELLS 5S13833 and GM GENUINE 12694431.

This table covers the Turbocharger Diverter / Bypass valves. 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

One part is listed for the 2020 Cadillac XT4 — STANDARD MOTOR PRODUCTS TBV1027.

This table covers the gaskets that seal the Turbocharger. 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

2 Turbocharger Gasket parts for the 2020 Cadillac XT4 come from 2 brands — AJUSA and GPD.

Part numbers include AJUSA JTC12669 and GPD 2535111.

This table covers the Turbocharger Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

2 Turbocharger Heat Shield parts for the 2020 Cadillac XT4 come from GM GENUINE.

Part numbers include GM GENUINE 55501898 and GM GENUINE 55503732.

This table covers the Turbocharger Oil 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 Cadillac XT4 — AJUSA OP11379.

This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

This group includes GM GENUINE 12669556 and GM GENUINE 12732944.

This table covers the Turbocharger Wastegate Solenoid actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

GM GENUINE supplies both parts for the 2020 Cadillac XT4.

Listed part numbers: GM GENUINE 12702113 and GM GENUINE 12735956.

This table covers the Turbocharger Wastegate Solenoid / Actuator Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

This group shows a single part: GM GENUINE 55503309.

This table covers the Turbocharger Wastegate Solenoid / Actuator retainers. Read more

One part is listed for the 2020 Cadillac XT4 — GM GENUINE 55503301.

This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first. Read more

This group shows a single part: GM GENUINE 11547061.