2015 Cadillac XTS Engine Parts

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

One part is listed for the 2015 Cadillac XTS — GM GENUINE 12632274.

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 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

This group shows a single part: GM GENUINE 11570754.

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

One part is listed for the 2015 Cadillac XTS — GM GENUINE 12691084.

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

7 Connecting Rod Bearing parts are listed for the 2015 Cadillac XTS, from KING ENGINE BEARINGS, MAHLE / CLEVITE, GM GENUINE and 1 other brand. 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 5 options from MAHLE / CLEVITE, GM GENUINE, KING ENGINE BEARINGS and 1 other brand — built to original-equipment specification. GM GENUINE 12643667 is listed in this group.

Part numbers include GM GENUINE 12643667, KING ENGINE BEARINGS CR6826XPX and KING ENGINE BEARINGS CR6826XP, among others listed above.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11519680.

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

8 Conversion / Lower Gasket Set parts are listed for the 2015 Cadillac XTS, from ENGINETECH, FEL-PRO, AJUSA and 5 other brands. ENGINETECH GM217CSA carries the "Popular" badge.

Part numbers include ENGINETECH GM217CSA, FEL-PRO CS263761 and AJUSA 54277700, among others listed above.

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

2 Crankshaft parts are listed for the 2015 Cadillac XTS, from ENGINETECH and GM GENUINE.

Part numbers include ENGINETECH 112950 and GM GENUINE 12661873.

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

6 Crankshaft Main Bearing parts for the 2015 Cadillac XTS come from 2 brands — GM GENUINE and KING ENGINE BEARINGS. The "Popular" part is GM GENUINE 12643670.

This group includes GM GENUINE 12643670, KING ENGINE BEARINGS MB4272SI and GM GENUINE 12643668 and the remaining parts above.

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

GM GENUINE supplies the 3 Crankshaft Main Bearing Cap Bolt parts for the 2015 Cadillac XTS.

Listed part numbers: GM GENUINE 12560272, GM GENUINE 11518861 and GM GENUINE 11589001.

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

3 Crankshaft Repair Sleeve parts for the 2015 Cadillac XTS come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

This group includes BCA NS99166, NATIONAL 99166 and WJB / INMOTION PARTS WS99166.

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

12 Crankshaft Seal parts for the 2015 Cadillac XTS come from 9 brands — GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 6 other brands. The "Popular" part is FEL-PRO BS40711.

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

One part is listed for the 2015 Cadillac XTS — GM GENUINE 12570326.

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

11 Cylinder Head Bolt parts are listed for the 2015 Cadillac XTS, from VICTOR REINZ, FEL-PRO, GM GENUINE and 4 other brands. ENGINETECH HB258 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

10 Cylinder Head Gasket parts are listed for the 2015 Cadillac XTS, from GM GENUINE, FEL-PRO, MAHLE / CLEVITE and 3 other brands. GM GENUINE 12634479 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 2015 Cadillac XTS, from FEL-PRO, APEX, AJUSA and 3 other brands. APEX AHS13054 carries the "Popular" badge.

Part numbers include APEX AHS13054, FEL-PRO HS26376PT10 and AJUSA 52608900, among others listed above.

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

3 Engine Block Heater parts for the 2015 Cadillac XTS 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.

This table covers the Engine covers. Read more

2 Engine Cover parts are listed for the 2015 Cadillac XTS, from TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO GM1228144, plus the other parts above.

This table covers the Engine Cover grommets. Read more

This group shows a single part: 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

One part is listed for the 2015 Cadillac XTS — AJUSA 50550200.

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 for the 2015 Cadillac XTS come from 5 brands — GM GENUINE, ENGINETECH, MELLING and 2 other brands. The "Popular" part is GM GENUINE 12621548.

Listed part numbers: GM GENUINE 12621548, ENGINETECH V3414 and MELLING V3212, plus the other 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 2015 Cadillac XTS — 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 2015 Cadillac XTS, from GM GENUINE, DORMAN and WELLS.

Part numbers include DORMAN 926441, GM GENUINE 12718357 and GM GENUINE 12590679, among others listed above.

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

5 Harmonic Balancer parts are listed for the 2015 Cadillac XTS, from GM GENUINE, ATP, DAYCO and 2 other brands. GM GENUINE 12697768 carries the "Popular" badge.

Part numbers include GM GENUINE 12697768, ATP 102366 and DAYCO PB1509N, among others listed above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2015 Cadillac XTS come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 595005 and GM GENUINE 11549124.

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

5 Intake Manifold parts for the 2015 Cadillac XTS come from 4 brands — GM GENUINE, DORMAN, LARES and 1 other brand. The "Popular" part is GM GENUINE 12699182.

Listed part numbers: GM GENUINE 12699182, DORMAN 615948 and GM GENUINE 12611155, plus the other parts above.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2015 Cadillac XTS — GM GENUINE 11562253.

This table covers the Intake Manifold covers. Read more

One part is listed for the 2015 Cadillac XTS — GM GENUINE 12654141.

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

12 Intake Manifold Gasket parts are listed for the 2015 Cadillac XTS, from APEX, FEL-PRO, GM GENUINE and 3 other brands. APEX AMS13173 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

6 Intake Plenum Gasket parts for the 2015 Cadillac XTS come from 6 brands — APEX, FEL-PRO, GM GENUINE and 3 other brands. The "Popular" part is APEX AMS13170.

Part numbers include APEX AMS13170, FEL-PRO MS97241 and GM GENUINE 12647263, among others listed 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

5 Intake Valve parts for the 2015 Cadillac XTS come from 5 brands — GM GENUINE, ENGINETECH, MELLING and 2 other brands. The "Popular" part is GM GENUINE 12610931.

This group includes GM GENUINE 12610931, ENGINETECH V3413 and MELLING V3333 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

6 Motor Mount parts for the 2015 Cadillac XTS come from 6 brands — VAICO, ANCHOR, GM GENUINE and 3 other brands. The "Popular" part is ANCHOR 3200.

The Economy section lists 1 option from VAICO — the catalog's value-priced group. VAICO V401070 is listed in this group.

Standard Replacement: 5 parts, from ANCHOR, GM GENUINE, DEA / MARMON RIDE CONTROL and 2 other brands. A representative part number is ANCHOR 3200.

Part numbers include ANCHOR 3200, VAICO V401070 and GM GENUINE 22849846, among others listed above.

This table covers the Motor Mount bolts. Read more

One part is listed for the 2015 Cadillac XTS — GM GENUINE 11570514.

This table covers the Motor Mount kits. Read more

2 Motor Mount Kit parts for the 2015 Cadillac XTS come from ANCHOR.

Listed part numbers: ANCHOR 300497 and ANCHOR 300498.

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 for the 2015 Cadillac XTS come from 5 brands — VALVOLINE, MOBIL, LIQUI MOLY and 2 other brands. The "Popular" part is LIQUI MOLY 20138.

The Full Synthetic section lists 17 options from VALVOLINE, LIQUI MOLY, MOBIL and 2 other brands — full-synthetic oils. LIQUI MOLY 20138 is listed in this group.

In the High Mileage (>75,000 Miles) grade, MOBIL and VALVOLINE supply 4 parts: oils grouped for high-mileage engines. A representative part number is MOBIL 123842.

This table covers the Oil Dipstick tubes. Read more

4 Oil Dipstick / Tube parts for the 2015 Cadillac XTS come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 921041, DORMAN 921040 and GM GENUINE 12657038 and the remaining parts above.

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 are listed for the 2015 Cadillac XTS, from 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 for the 2015 Cadillac XTS come from 4 brands — DORMAN, ENGINETECH, GM GENUINE and 1 other brand. The "Popular" part is DORMAN 090175.

The Economy section: 1 option from DORMAN. DORMAN 090175 is listed in this group.

In the Twist Drain grade, DORMAN supplies 1 part: grouped under the catalog's "Twist Drain" designation — the notes column spells out what sets them apart. A representative part number is DORMAN 092018.

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

Part numbers include DORMAN 090175, DORMAN 092018 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

8 Oil Drain Plug Gasket parts are listed for the 2015 Cadillac XTS, from FEL-PRO, DORMAN, GM GENUINE and 3 other brands. FEL-PRO 70820 carries the "Popular" badge.

Listed part numbers: FEL-PRO 70820, GM GENUINE 12616850 and DORMAN 097119, plus the other parts above.

This table covers the Oil Drain Plug inserts. Read more

One part is listed for the 2015 Cadillac XTS — GM GENUINE 11503302.

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

4 Oil Filler Cap parts for the 2015 Cadillac XTS come from 4 brands — ACDELCO, CALORSTAT, GATES and 1 other brand.

This group includes ACDELCO FC243, CALORSTAT OC2314 and GATES 31103 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

2 Oil Filler Cap Gasket parts are listed for the 2015 Cadillac XTS, from FEL-PRO and GM GENUINE.

This group includes FEL-PRO 73193 and GM GENUINE 24100002.

This table covers the Oil Filler tubes. Read more

This group shows a single part: GM GENUINE 12650615.

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

14 Oil Filter parts for the 2015 Cadillac XTS come from 11 brands — VARIOUS MFR, WIX, ACDELCO and 8 other brands. The "Popular" part is ACDELCO PF63.

The Economy section: 4 options from FRAM, FVP, PRO-TEC and 1 other brand. FRAM FE10575 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1212A is listed in this group.

Standard Replacement: 8 parts, from ACDELCO, MOTORCRAFT, WIX and 4 other brands. A representative part number is ACDELCO PF63.

This table covers the Oil Filter adapters. Read more

One part is listed for the 2015 Cadillac XTS — GM GENUINE 12600225.

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

2 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2015 Cadillac XTS, from FEL-PRO and VICTOR REINZ.

Part numbers include FEL-PRO 72968 and 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 2015 Cadillac XTS — 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

This group shows a single part: 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

5 Oil Level Sensor parts for the 2015 Cadillac XTS come from 5 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, ULTRA-POWER and 2 other brands. The "Popular" part is GM GENUINE 12696434.

This group includes GM GENUINE 12696434 and STANDARD MOTOR PRODUCTS PS616 and the remaining parts 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 nozzles. Read more

This group shows a single part: GM GENUINE 12640455.

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

3 Oil Pan parts are listed for the 2015 Cadillac XTS, from DORMAN, GM GENUINE and ULTRA-POWER.

Part numbers include DORMAN 264171 and GM GENUINE 19540543, among others listed above.

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

This group shows a single part: VICTOR REINZ 703141410.

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

7 Oil Pump parts for the 2015 Cadillac XTS come from 5 brands — ENGINETECH, MELLING, GM GENUINE and 2 other brands. The "Popular" part is GM GENUINE 12640448.

The Economy section: 1 option from ENGINETECH. ENGINETECH EPK160 is listed in this group.

Standard Replacement: 5 parts, from MELLING, GM GENUINE, ENGINETECH and 1 other brand. A representative part number is GM GENUINE 12640448.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include GM GENUINE 12640448, ENGINETECH EPK160 and MELLING M353, among others listed above.

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 2015 Cadillac XTS — ELRING 942400.

This table covers the pickup tubes and screens that feed the oil pump. Read more

2 Oil Pump Pickup Tube / Screen parts are listed for the 2015 Cadillac XTS, from GM GENUINE and MELLING.

Part numbers include GM GENUINE 12640981 and MELLING 368S.

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.