2017 Cadillac CT6 Engine Parts

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

7 Balance Shaft Chain parts are listed for the 2017 Cadillac CT6, from CLOYES, MELLING, GM GENUINE and 2 other brands. CLOYES C919 carries the "Popular" badge.

The Chain Only section lists 5 options from CLOYES, MELLING, GM GENUINE and 2 other brands — grouped under the catalog's "Chain Only" designation — the notes column spells out what sets them apart. CLOYES C919 is listed in this group.

In the Kit grade, CLOYES and MELLING supply 2 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is CLOYES 90919S.

Listed part numbers: CLOYES C919, MELLING 1094 and GM GENUINE 12626983, plus the other parts above.

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

5 Balance Shaft Chain Guide parts are listed for the 2017 Cadillac CT6, from MELLING, CLOYES, GM GENUINE and 2 other brands. MELLING BG5150 carries the "Popular" badge.

Part numbers include MELLING BG5150, CLOYES 95953 and GM GENUINE 12655471, among others listed above.

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

6 Balance Shaft Chain Tensioner parts for the 2017 Cadillac CT6 come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12626984.

This group includes GM GENUINE 12626984, MELLING BT5208 and CLOYES 95952 and the remaining parts above.

This table covers the Balance Shaft sprockets. Read more

6 Balance Shaft Sprocket parts are listed for the 2017 Cadillac CT6, from GM GENUINE, MELLING, CLOYES and 3 other brands. GM GENUINE 12655716 carries the "Popular" badge.

Listed part numbers: GM GENUINE 12655716, MELLING S1370 and CLOYES S1101, plus the other parts above.

This table covers the blocks in this assembly. Read more

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 25201642.

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

GM GENUINE supplies both parts for the 2017 Cadillac CT6.

Part numbers include GM GENUINE 12626896 and GM GENUINE 28290130.

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 11588547.

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

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12674411.

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

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12668645.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: GM GENUINE 11548927.

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 2017 Cadillac CT6 — AJUSA 54229400.

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

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12626959.

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

This group shows a single part: GM GENUINE 12668646.

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

4 Crankshaft Repair Sleeve parts for the 2017 Cadillac CT6 come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.

This group includes BCA NS99166, BCA NS99353 and NATIONAL 99353 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

13 Crankshaft Seal parts for the 2017 Cadillac CT6 come from 12 brands — GM GENUINE, FEL-PRO, ACDELCO and 9 other brands. The "Popular" part is FEL-PRO BS40739.

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

This group shows a single part: GM GENUINE 12655430.

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

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12570326.

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

3 Cylinder Head Bolt parts are listed for the 2017 Cadillac CT6, from AJUSA, APEX and GM GENUINE.

Part numbers include AJUSA 81065100, APEX AHB1357 and GM GENUINE 11610687.

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 2017 Cadillac CT6, from APEX, AJUSA, GM GENUINE and 2 other brands. APEX AHG1357 carries the "Popular" badge.

Listed part numbers: APEX AHG1357, AJUSA 10221900 and GM GENUINE 25203038, 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

4 Cylinder Head Gasket Set parts are listed for the 2017 Cadillac CT6, from AJUSA, APEX, GM GENUINE and 1 other brand.

Part numbers include AJUSA 52587400, APEX AHS13057 and GM GENUINE 28290128, among others listed above.

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 11588547.

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 2017 Cadillac CT6 — AJUSA 50535600.

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 2017 Cadillac CT6 come from 2 brands — GM GENUINE and MELLING.

Listed part numbers: GM GENUINE 12684736 and MELLING V5816.

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

3 Fuel Pump Camshaft Follower parts are listed for the 2017 Cadillac CT6, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS.

Part numbers include GM GENUINE 12718357, STANDARD MOTOR PRODUCTS GDF102 and WELLS 5T5013.

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

6 Harmonic Balancer parts are listed for the 2017 Cadillac CT6, from GM GENUINE, SKP, DORMAN and 2 other brands. DORMAN 594713 carries the "Popular" badge.

In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK594713.

The Standard Replacement section lists 5 options from GM GENUINE, DORMAN, ATP and 1 other brand — built to original-equipment specification. DORMAN 594713 is listed in this group.

This group includes DORMAN 594713, SKP SK594713 and GM GENUINE 25202078 and the remaining parts above.

This table covers the Harmonic Balancer bolts. Read more

2 Harmonic Balancer Bolt parts for the 2017 Cadillac CT6 come from 2 brands — DORMAN and GM GENUINE.

Part numbers include DORMAN 917139 and GM GENUINE 12557840.

This table covers the Intake insulators. Read more

One part is listed for the 2017 Cadillac CT6 — 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

This group shows a single part: GM GENUINE 12631023.

This table covers the Intake Manifold bolts. Read more

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 11588352.

This table covers the Intake Manifold covers. Read more

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12740045.

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

5 Intake Manifold Gasket parts are listed for the 2017 Cadillac CT6, from GM GENUINE, AJUSA, APEX and 2 other brands. GM GENUINE 12655276 carries the "Popular" badge.

Listed part numbers: GM GENUINE 12655276, AJUSA 13268400 and APEX AMS13570, 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

3 Intake Valve parts for the 2017 Cadillac CT6 come from 3 brands — GM GENUINE, MELLING and QUALCAST.

Listed part numbers: GM GENUINE 12662527, MELLING V3441 and QUALCAST 1013441.

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

2 Motor Mount parts for the 2017 Cadillac CT6 come from GM GENUINE.

This group includes GM GENUINE 84850283 and GM GENUINE 84850282.

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

23 Oil parts for the 2017 Cadillac CT6 come from 6 brands — VALVOLINE, MOBIL, LIQUI MOLY and 3 other brands. The "Popular" part is ACDELCO 109324.

The Full Synthetic section lists 19 options from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands — full-synthetic oils. ACDELCO 109324 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 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

3 Oil Cooler parts for the 2017 Cadillac CT6 come from 3 brands — ACDELCO, DORMAN and GM GENUINE.

Listed part numbers: ACDELCO 25202979, DORMAN 918481 and GM GENUINE 12688093.

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

One part is listed for the 2017 Cadillac CT6 — DORMAN 66219.

This table covers the Oil Cooler Mounting kits. Read more

HAYDEN supplies both parts for the 2017 Cadillac CT6.

Part numbers include HAYDEN 238 and HAYDEN 153.

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

2 Oil Cooler Seal parts are listed for the 2017 Cadillac CT6, from FEL-PRO and GM GENUINE.

Listed part numbers: FEL-PRO 73470 and GM GENUINE 25202978.

This table covers the Oil Dipstick tubes. Read more

This group shows a single part: GM GENUINE 12654312.

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 2017 Cadillac CT6, from FEL-PRO and GM GENUINE.

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

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

3 Oil Drain Plug parts for the 2017 Cadillac CT6 come from 2 brands — DORMAN and GM GENUINE.

This group includes DORMAN 090948CD, DORMAN 090948 and GM GENUINE 55577568.

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 are listed for the 2017 Cadillac CT6, from FEL-PRO, DORMAN, GM GENUINE and 4 other brands. FEL-PRO 70820 carries the "Popular" badge.

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

3 Oil Filler Cap parts for the 2017 Cadillac CT6 come from 3 brands — ACDELCO, CALORSTAT and MOTORAD.

Listed part numbers: ACDELCO FC279, 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

2 Oil Filler Cap Gasket parts are listed for the 2017 Cadillac CT6, from FEL-PRO and GM GENUINE.

Part numbers include FEL-PRO 73193 and 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

16 Oil Filter parts for the 2017 Cadillac CT6 come from 12 brands — FVP, WIX, ACDELCO and 9 other brands. The "Popular" part is WIX WL10290XP.

The Economy section: 5 options from CHAMP / LUBER-FINER, FRAM, FVP and 2 other brands. CHAMP / LUBER-FINER PH10064 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX WL10290XP is listed in this group.

Standard Replacement: 9 parts, from ACDELCO, MAHLE / CLEVITE, BOSCH and 4 other brands. A representative part number is ACDELCO PF64.

This table covers the Oil Filter Remote Mounting kits. Read more

One part is listed for the 2017 Cadillac CT6 — HAYDEN 292.

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 11588547.

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 2017 Cadillac CT6 come from 5 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, ULTRA-POWER and 2 other brands. The "Popular" part is GM GENUINE 12696434.

Part numbers include GM GENUINE 12696434 and STANDARD MOTOR PRODUCTS PS616, 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 nozzles. Read more

3 Oil Nozzle parts for the 2017 Cadillac CT6 come from 3 brands — GM GENUINE, MELLING and S.A. GEAR.

Part numbers include GM GENUINE 12627113, MELLING 5468N and S.A. GEAR 9688.

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

5 Oil Pan parts are listed for the 2017 Cadillac CT6, from GM GENUINE, DORMAN, SKP and 1 other brand. GM GENUINE 12676340 carries the "Popular" badge.

This group includes GM GENUINE 12676340, DORMAN 264880 and GM GENUINE 28289985 and the remaining parts 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

2 Oil Pump parts for the 2017 Cadillac CT6 come from 2 brands — GM GENUINE and VAICO.

Listed part numbers: GM GENUINE 12674461 and VAICO V510664.

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

4 Oil Pump Control Valve / Solenoid parts are listed for the 2017 Cadillac CT6, from DORMAN, GM GENUINE, HOLSTEIN and 1 other brand.

Listed part numbers: DORMAN 926238, GM GENUINE 12670746 and HOLSTEIN 2VTS0611, plus the other parts above.

This table covers the gaskets that seal the Oil Pump Pickup Tube. 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 2017 Cadillac CT6 — MAHLE / CLEVITE B33656.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 12652809.

This table covers the Piston Pin retainers. Read more

This group shows a single part: GM GENUINE 12569638.

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

2 Piston Ring parts are listed for the 2017 Cadillac CT6, from MAHLE / CLEVITE and GM GENUINE.

The Premium section lists 1 option from MAHLE / CLEVITE — a step above OE specification in materials, tolerances or warranty terms. MAHLE / CLEVITE 42301CP is listed in this group.

The Standard Replacement section: 1 option from GM GENUINE. GM GENUINE 89018107 is listed in this group.

Part numbers include MAHLE / CLEVITE 42301CP and GM GENUINE 89018107.

This table covers the rocker arms that transfer cam motion to the valves. Read more

3 Rocker Arm parts for the 2017 Cadillac CT6 come from 3 brands — GM GENUINE, MELLING and QUALCAST.

This group includes GM GENUINE 12693909, MELLING MR1340 and QUALCAST 402917.

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

5 Timing Chain parts are listed for the 2017 Cadillac CT6, from GM GENUINE, CLOYES, MELLING and 2 other brands. GM GENUINE 12627107 carries the "Popular" badge.

This group includes GM GENUINE 12627107, CLOYES C918 and MELLING 1093 and the remaining parts above.

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

21 Timing Chain & Component Kit parts for the 2017 Cadillac CT6 come from 6 brands — S.A. GEAR, CLOYES, MELLING and 3 other brands. The "Popular" part is CLOYES 90918SAX.

The Economy section: 10 options from S.A. GEAR, ULTRA-POWER and PREFERRED COMPONENTS INC. PREFERRED COMPONENTS INC TS17150 is listed in this group.

Standard Replacement: 11 parts, from CLOYES, MELLING and INA. A representative part number is CLOYES 90918SAX.

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

15 Timing Chain Guide / Damper parts are listed for the 2017 Cadillac CT6, from GM GENUINE, CLOYES, MELLING and 2 other brands. GM GENUINE 12627184 carries the "Popular" badge.

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

6 Timing Chain Tensioner parts for the 2017 Cadillac CT6 come from 6 brands — GM GENUINE, MELLING, CLOYES and 3 other brands. The "Popular" part is GM GENUINE 12627109.

This group includes GM GENUINE 12627109, MELLING BT5206 and CLOYES 95947 and the remaining parts above.

This table covers the seals at the Timing Chain Tensioner Gasket. 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 2017 Cadillac CT6 — GM GENUINE 12627110.

This table covers the Timing covers. Read more

One part is listed for the 2017 Cadillac CT6 — GM GENUINE 25203062.

This table covers the Timing Cover bolts. Read more

This group shows a single part: GM GENUINE 11588717.