2018 Cadillac CTS 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

One part is listed for the 2018 Cadillac CTS — GM GENUINE 12711681.

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

GM GENUINE supplies the 10 Camshaft parts for the 2018 Cadillac CTS.

This table covers the Camshaft Alignment tools. This is a service tool, not a wear part — match the application in the notes. Read more

This group shows a single part: LISLE 37530.

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

5 Camshaft Bearing parts are listed for the 2018 Cadillac CTS, from GM GENUINE, DURA-BOND, ENGINETECH and 2 other brands. GM GENUINE 12686894 carries the "Popular" badge.

This group includes GM GENUINE 12686894, DURA-BOND CHP26T and ENGINETECH CC193P and the remaining parts above.

This table covers the Camshaft bolts. Read more

This group shows a single part: ELRING 857390.

This table covers the Camshaft Dowel pins. Read more

One part is listed for the 2018 Cadillac CTS — 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 for the 2018 Cadillac CTS come from 5 brands — APEX, FEL-PRO, MELLING and 2 other brands. The "Popular" part is FEL-PRO ES73115.

Part numbers include FEL-PRO ES73115, MELLING MF127 and APEX AES319, among others listed 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

4 Camshaft Seal parts for the 2018 Cadillac CTS come from 3 brands — GM GENUINE, MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include GM GENUINE 12636316, GM GENUINE 12574477 and MAHLE / CLEVITE B32270, among others listed above.

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

GM GENUINE supplies both parts for the 2018 Cadillac CTS.

Part numbers include GM GENUINE 12647161 and GM GENUINE 12641607.

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

10 Connecting Rod Bearing parts are listed for the 2018 Cadillac CTS, from GM GENUINE, KING ENGINE BEARINGS and MAHLE / CLEVITE. GM GENUINE 12643667 carries the "Popular" badge.

In the High Performance grade, KING ENGINE BEARINGS supplies 2 parts: engineered beyond original-equipment specification. A representative part number is KING ENGINE BEARINGS CR6826XPX.

The Standard Replacement section lists 4 options from MAHLE / CLEVITE, GM GENUINE and KING ENGINE BEARINGS — built to original-equipment specification. GM GENUINE 12643667 is listed in this group.

4 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the Connecting Rod bolts. Read more

3 Connecting Rod Bolt parts for the 2018 Cadillac CTS come from GM GENUINE.

This group includes GM GENUINE 11519680, GM GENUINE 11548432 and 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

11 Conversion / Lower Gasket Set parts are listed for the 2018 Cadillac CTS, from AJUSA, FEL-PRO, APEX and 4 other brands. FEL-PRO CS263761 carries the "Popular" badge.

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

GM GENUINE supplies both parts for the 2018 Cadillac CTS.

This group includes GM GENUINE 12699162 and GM GENUINE 12642339.

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

9 Crankshaft Main Bearing parts for the 2018 Cadillac CTS come from 4 brands — GM GENUINE, KING ENGINE BEARINGS, ENGINETECH and 1 other brand.

This group includes ENGINETECH BC623J, GM GENUINE 12744917 and GM GENUINE 19368254 and the remaining parts above.

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

6 Crankshaft Main Bearing Cap Bolt parts are listed for the 2018 Cadillac CTS, from GM GENUINE and ELRING.

Part numbers include ELRING B75610, GM GENUINE 12560272 and GM GENUINE 11589001, among others listed above.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

11 Crankshaft Repair Sleeve parts for the 2018 Cadillac CTS come from 5 brands — WJB / INMOTION PARTS, BCA, NATIONAL and 2 other brands. The "Popular" part is NATIONAL 99215.

This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

This group shows a single part: FEL-PRO 16329.

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

24 Crankshaft Seal parts for the 2018 Cadillac CTS come from 9 brands — GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 6 other brands. The "Popular" part is GM GENUINE 12591866.

This table covers the Crankshaft Seal covers. Read more

One part is listed for the 2018 Cadillac CTS — GM GENUINE 12705665.

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 2018 Cadillac CTS — GM GENUINE 12627520.

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

2 Cylinder Head parts for the 2018 Cadillac CTS come from GM GENUINE.

Part numbers include GM GENUINE 12709312 and GM GENUINE 12699619.

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

One part is listed for the 2018 Cadillac CTS — GM GENUINE 12570326.

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

14 Cylinder Head Bolt parts are listed for the 2018 Cadillac CTS, from GM GENUINE, FEL-PRO, AJUSA and 2 other brands. FEL-PRO ES722741 carries the "Popular" badge.

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

24 Cylinder Head Gasket parts are listed for the 2018 Cadillac CTS, from AJUSA, APEX, GM GENUINE and 3 other brands. APEX AHG1417L carries the "Popular" badge.

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

7 Cylinder Head Gasket Set parts are listed for the 2018 Cadillac CTS, from AJUSA, GM GENUINE, ELRING and 1 other brand.

Part numbers include AJUSA 52613900, AJUSA 52612400 and AJUSA 52615900, among others listed above.

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

One part is listed for the 2018 Cadillac CTS — MELLING CSL359F.

This table covers the Engine Block drain plugs. Read more

One part is listed for the 2018 Cadillac CTS — GM GENUINE 11546667.

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

5 Engine Block Heater parts for the 2018 Cadillac CTS come from 2 brands — KAT'S HEATERS and GM GENUINE.

Part numbers include GM GENUINE 12587380, KAT'S HEATERS 28811 and KAT'S HEATERS 11811, among others listed above.

This table covers the Engine Cover grommets. Read more

2 Engine Cover Grommet parts for the 2018 Cadillac CTS come from GM GENUINE.

Listed part numbers: GM GENUINE 12594875 and GM GENUINE 12737359.

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

AJUSA supplies the 3 Engine Kit Gasket Set parts for the 2018 Cadillac CTS.

Listed part numbers: AJUSA 50552200, AJUSA 50553800 and AJUSA 50553600.

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

8 Exhaust Valve parts for the 2018 Cadillac CTS come from 4 brands — GM GENUINE, MELLING, QUALCAST and 1 other brand.

This group includes GM GENUINE 12647868, GM GENUINE 12674513 and GM GENUINE 12678746 and the remaining parts above.

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 2018 Cadillac CTS — GM GENUINE 11569584.

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

4 Fuel Pump Camshaft Follower parts are listed for the 2018 Cadillac CTS, from STANDARD MOTOR PRODUCTS, GM GENUINE and WELLS.

Part numbers include GM GENUINE 12718357, STANDARD MOTOR PRODUCTS GDF102 and STANDARD MOTOR PRODUCTS GDF103, among others listed above.

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

4 Harmonic Balancer parts are listed for the 2018 Cadillac CTS, from GM GENUINE and DORMAN.

Listed part numbers: DORMAN 594452, GM GENUINE 12700427 and GM GENUINE 12603180, plus the other parts above.

This table covers the Harmonic Balancer bolts. Read more

5 Harmonic Balancer Bolt parts for the 2018 Cadillac CTS come from 3 brands — GM GENUINE, DORMAN and FEL-PRO.

This group includes DORMAN 595005, FEL-PRO 73372 and GM GENUINE 11546516 and the remaining parts above.

This table covers the Intake insulators. Read more

GM GENUINE supplies both parts for the 2018 Cadillac CTS.

Part numbers include GM GENUINE 12559120 and GM GENUINE 24507878.

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 2018 Cadillac CTS come from GM GENUINE.

Part numbers include GM GENUINE 12674143 and GM GENUINE 12701996.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2018 Cadillac CTS — GM GENUINE 11546958.

This table covers the Intake Manifold covers. Read more

GM GENUINE supplies the 3 Intake Manifold Cover parts for the 2018 Cadillac CTS.

This group includes GM GENUINE 12703607, GM GENUINE 12669219 and GM GENUINE 12650928.

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

17 Intake Manifold Gasket parts are listed for the 2018 Cadillac CTS, from AJUSA, FEL-PRO, GM GENUINE and 4 other brands. FEL-PRO MS98021 carries the "Popular" badge.

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

4 Intake Plenum Gasket parts for the 2018 Cadillac CTS come from 4 brands — APEX, FEL-PRO, GM GENUINE and 1 other brand.

Listed part numbers: APEX AMS13170, FEL-PRO MS97241 and GM GENUINE 12670741, plus the other parts above.

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

8 Intake Valve parts for the 2018 Cadillac CTS come from 4 brands — GM GENUINE, MELLING, QUALCAST and 1 other brand. The "Popular" part is GM GENUINE 12610931.

Part numbers include GM GENUINE 12610931, MELLING V3467 and GM GENUINE 12647867, 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

5 Motor Mount parts for the 2018 Cadillac CTS come from 2 brands — GM GENUINE and ANCHOR. The "Popular" part is GM GENUINE 23274001.

Part numbers include GM GENUINE 23274001, ANCHOR 3714 and ANCHOR 3707, among others listed above.

This table covers the Motor Mount bolts. Read more

One part is listed for the 2018 Cadillac CTS — GM GENUINE 11548249.

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

2 Motor Mount Bracket parts for the 2018 Cadillac CTS come from GM GENUINE.

Part numbers include GM GENUINE 23104518 and GM GENUINE 23104519.