2022 Cadillac CT4 Engine Parts

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

One part is listed for the 2022 Cadillac CT4 — S.A. GEAR C1212.

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

One part is listed for the 2022 Cadillac CT4 — 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

This group shows a single part: S.A. GEAR 71298.

This table covers the Balance Shaft covers. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 55510644.

This table covers the Balance Shaft sprockets. Read more

One part is listed for the 2022 Cadillac CT4 — S.A. GEAR S1514.

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

GM GENUINE supplies the 6 Camshaft parts for the 2022 Cadillac CT4.

This group includes GM GENUINE 12703359, GM GENUINE 55511463 and GM GENUINE 12638406 and the remaining parts above.

This table covers the Camshaft bolts. Read more

This group shows a single part: GM GENUINE 12740203.

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

This group shows a single part: GM GENUINE 12574477.

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

2 Circular / Semi-Circular Plug parts for the 2022 Cadillac CT4 come from GM GENUINE.

This group includes GM GENUINE 11562126 and GM GENUINE 11546667.

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

GM GENUINE supplies both parts for the 2022 Cadillac CT4.

Part numbers include GM GENUINE 12641607 and GM GENUINE 12652977.

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

4 Connecting Rod Bearing parts are listed for the 2022 Cadillac CT4, from GM GENUINE and MAHLE / CLEVITE.

Listed part numbers: GM GENUINE 12643667, GM GENUINE 19301183 and MAHLE / CLEVITE CB2037A, plus the other parts above.

This table covers the Connecting Rod bolts. Read more

2 Connecting Rod Bolt parts for the 2022 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 11519680 and GM GENUINE 11547385.

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

One part is listed for the 2022 Cadillac CT4 — 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

This group shows a single part: GM GENUINE 12740187.

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

GM GENUINE supplies both parts for the 2022 Cadillac CT4.

Listed part numbers: GM GENUINE 12653000 and GM GENUINE 12683977.

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

2 Crankshaft Main Bearing parts for the 2022 Cadillac CT4 come from GM GENUINE.

This group includes GM GENUINE 12643668 and GM GENUINE 12643670.

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

GM GENUINE supplies the 5 Crankshaft Main Bearing Cap Bolt parts for the 2022 Cadillac CT4. GM GENUINE 12560272 carries the "Popular" badge.

This group includes GM GENUINE 12560272, GM GENUINE 11588713 and GM GENUINE 11518861 and the remaining parts above.

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

6 Crankshaft Seal parts for the 2022 Cadillac CT4 come from 3 brands — GM GENUINE, AJUSA and VICTOR REINZ.

This group includes AJUSA 71015600, AJUSA 71016100 and GM GENUINE 12693989 and the remaining parts above.

This table covers the Crankshaft Seal covers. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 55486914.

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

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 55502355.

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

2 Cylinder Head parts for the 2022 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 12729490 and GM GENUINE 12709312.

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

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 12570326.

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

5 Cylinder Head Bolt parts are listed for the 2022 Cadillac CT4, from GM GENUINE and AJUSA.

This group includes AJUSA 81083100, GM GENUINE 11603109 and GM GENUINE 11548293 and the remaining 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

5 Cylinder Head Gasket parts are listed for the 2022 Cadillac CT4, from FEL-PRO, GM GENUINE and AJUSA.

Listed part numbers: AJUSA 10265600, FEL-PRO 26934PT and FEL-PRO 26788PT, 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

2 Cylinder Head Gasket Set parts are listed for the 2022 Cadillac CT4, from AJUSA and GM GENUINE.

Listed part numbers: AJUSA 52618900 and GM GENUINE 12670740.

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

This group shows a single part: GM GENUINE 09427693.

This table covers the Engine Block drain plugs. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 11602951.

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

This group shows a single part: GM GENUINE 12586687.

This table covers the Engine Cover grommets. Read more

4 Engine Cover Grommet parts for the 2022 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 12661056, GM GENUINE 12559120 and GM GENUINE 12594875, plus the other parts above.

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

This group shows a single part: 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

One part is listed for the 2022 Cadillac CT4 — AJUSA 50554900.

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

2 Exhaust Valve parts for the 2022 Cadillac CT4 come from 2 brands — GM GENUINE and MELLING.

Listed part numbers: GM GENUINE 12674513 and MELLING V3332.

This table covers the Expansion 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 2022 Cadillac CT4 — GM GENUINE 11569584.

This table covers the followers that drive a mechanical fuel pump off the camshaft. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 12718357.

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

3 Harmonic Balancer parts are listed for the 2022 Cadillac CT4, from GM GENUINE and SKP.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK55487414.

The Standard Replacement section lists 1 option from GM GENUINE — built to original-equipment specification. GM GENUINE 55487414 is listed in this group.

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

Part numbers include SKP SK55487414, GM GENUINE 55487414 and GM GENUINE 12603180.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2022 Cadillac CT4 come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 595005 and GM GENUINE 11549124.

This table covers the Intake insulators. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 12559120.

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 for the 2022 Cadillac CT4 come from GM GENUINE.

This group includes GM GENUINE 55506352 and GM GENUINE 12706155.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2022 Cadillac CT4 — 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

3 Intake Manifold Gasket parts are listed for the 2022 Cadillac CT4, from GM GENUINE and AJUSA.

Part numbers include AJUSA 13328800, GM GENUINE 55488180 and GM GENUINE 12657374.

This table covers the gaskets that seal the Intake Plenum. 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 12670741.

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

4 Intake Valve parts for the 2022 Cadillac CT4 come from 4 brands — GM GENUINE, MELLING, QUALCAST and 1 other brand.

Part numbers include GM GENUINE 12610931, MELLING V3333 and QUALCAST 1013333, among others listed 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

7 Motor Mount parts for the 2022 Cadillac CT4 come from 2 brands — DEA / MARMON RIDE CONTROL and GM GENUINE. The "Popular" part is GM GENUINE 85156938.

Listed part numbers: GM GENUINE 85156938, DEA / MARMON RIDE CONTROL A20346 and DEA / MARMON RIDE CONTROL A20347, plus the other parts above.

This table covers the Motor Mount bolts. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 11549341.

This table covers the brackets that mount the Motor Mount. 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

This group shows a single part: GM GENUINE 84146175.

This table covers the Motor Mount Bracket bolts. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 11588740.

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

39 Oil parts for the 2022 Cadillac CT4 come from 6 brands — LIQUI MOLY, MOBIL, VALVOLINE and 3 other brands. The "Popular" part is ACDELCO 109302. They are grouped as Full Synthetic and High Mileage (>75,000 Miles), with Full Synthetic the largest group at 34 parts from LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands.

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 for the 2022 Cadillac CT4 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include 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

2 Oil Cooler Gasket parts are listed for the 2022 Cadillac CT4, from ACDELCO and DORMAN.

Listed part numbers: ACDELCO 12670864 and DORMAN 66219.

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

5 Oil Cooler Line parts for the 2022 Cadillac CT4 come from GM GENUINE. The "Popular" part is GM GENUINE 11570871.

Part numbers include GM GENUINE 11570871, GM GENUINE 11548826 and GM GENUINE 90572594, among others listed above.

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

3 Oil Cooler Seal parts are listed for the 2022 Cadillac CT4, from ACDELCO, ELRING and GM GENUINE.

Listed part numbers: ACDELCO 55488933, ELRING B17840 and GM GENUINE 12733672.

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

3 Oil Dipstick / Tube Seal parts are listed for the 2022 Cadillac CT4, from GM GENUINE and FEL-PRO.

This group includes FEL-PRO 73889, GM GENUINE 24504031 and GM GENUINE 12670252.

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

7 Oil Drain Plug parts for the 2022 Cadillac CT4 come from 3 brands — DORMAN, GM GENUINE and VAICO.

Part numbers include DORMAN 090854CD, DORMAN 090854 and DORMAN 090034, among others listed 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

6 Oil Drain Plug Gasket parts are listed for the 2022 Cadillac CT4, from DORMAN, GM GENUINE, AJUSA and 1 other brand.

Listed part numbers: AJUSA 16503200, DORMAN 097119 and DORMAN 97119, plus the other parts above.

This table covers the Oil Drain Plug inserts. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 11503302.

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

5 Oil Filler Cap parts for the 2022 Cadillac CT4 come from 4 brands — ACDELCO, CALORSTAT, DORMAN and 1 other brand.

Listed part numbers: ACDELCO FC272, ACDELCO FC279 and CALORSTAT OC2314, plus the other 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

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 24100002.

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

23 Oil Filter parts for the 2022 Cadillac CT4 come from 9 brands — ACDELCO, WIX, VARIOUS MFR and 6 other brands. The "Popular" part is ACDELCO UPF66R.

The Economy section: 7 options from FVP, PRO-TEC, VARIOUS MFR and 1 other brand. FRAM FE10575 is listed in this group.

The High Performance / Heavy Duty section lists 5 options from WIX, MOBIL and ACDELCO — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. ACDELCO UPF66R is listed in this group.

Standard Replacement: 11 parts, from ACDELCO, WIX, HASTINGS / BALDWIN and 2 other brands. A representative part number is ACDELCO PF66.

This table covers the Oil Filter adapters. Read more

GM GENUINE supplies both parts for the 2022 Cadillac CT4.

This group includes GM GENUINE 12600225 and GM GENUINE 12732883.

This table covers the Oil Filter Adapter 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

One part is listed for the 2022 Cadillac CT4 — VICTOR REINZ 711460600.

This table covers the gaskets that seal the Oil Filter. 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 2022 Cadillac CT4 — GM GENUINE 12687466.

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

3 Oil Galley Plug parts for the 2022 Cadillac CT4 come from GM GENUINE.

Part numbers include GM GENUINE 11546667, GM GENUINE 11570754 and GM GENUINE 12667039.

This table covers the Oil Level 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

4 Oil Level Sensor parts for the 2022 Cadillac CT4 come from 3 brands — WELLS, FAMOUS BRAND and GM GENUINE.

Part numbers include FAMOUS BRAND FFC1241, GM GENUINE 12696433 and WELLS 5S15947, among others listed above.

This table covers the Oil Level Sensor 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

This group shows a single part: GM GENUINE 12638820.

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

4 Oil Pan parts are listed for the 2022 Cadillac CT4, from GM GENUINE and DORMAN.

Part numbers include DORMAN 266031, GM GENUINE 12717172 and GM GENUINE 12716569, among others listed above.

This table covers the Oil Pan bolts. Read more

2 Oil Pan Bolt parts for the 2022 Cadillac CT4 come from GM GENUINE.

Listed part numbers: GM GENUINE 11588725 and GM GENUINE 11588694.

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

This group shows a single part: 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

8 Oil Pump parts for the 2022 Cadillac CT4 come from 6 brands — GM GENUINE, SKP, ULTRA-POWER and 3 other brands. The "Popular" part is GM GENUINE 12640448.

The Economy section: 2 options from SKP and ULTRA-POWER. SKP SKM353 is listed in this group.

Standard Replacement: 3 parts, from GM GENUINE, MELLING and SEALED POWER. A representative part number is GM GENUINE 12640448.

3 further parts sit outside the graded sections, with the same engine-level match.

Listed part numbers: GM GENUINE 12640448, SKP SKM353 and ULTRA-POWER M353, plus the other parts above.

This table covers the Oil Pump bolts. Read more

GM GENUINE supplies both parts for the 2022 Cadillac CT4.

This group includes GM GENUINE 11548002 and GM GENUINE 11588729.

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

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 12740050.

This table covers the seals at the Oil Pump Control Valve / Solenoid. 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: GM GENUINE 12638265.

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

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 55500219.

This table covers the O-rings that seal the oil-pump pickup tube. 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

This group shows a single part: GM GENUINE 12691257.

This table covers the windage trays that keep crank windage out of the oil sump. Read more

This group shows a single part: GM GENUINE 12657086.

This table covers the Oil Temperature senders. Read more

One part is listed for the 2022 Cadillac CT4 — GM GENUINE 55494665.