2018 Cadillac CT6 Drivetrain Parts

This table covers the Axle Intermediate Shaft 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

This group shows a single part: GM GENUINE 85587252.

This table covers the seals at the Axle Intermediate Shaft. 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 2018 Cadillac CT6 — GM GENUINE 23269758.

This table covers the Axle shafts. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 84371225.

This table covers the Axle Shaft Housing tubes. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 85596736.

This table covers the seals where an axle shaft exits the housing. 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 Axle Shaft Seal parts for the 2018 Cadillac CT6 come from 3 brands — GM GENUINE, SKF and WJB / INMOTION PARTS.

Listed part numbers: GM GENUINE 291352, GM GENUINE 23269761 and SKF 18563A, plus the other parts above.

This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes. Read more

8 CV Axle parts for the 2018 Cadillac CT6 come from 3 brands — TRAKMOTIVE, GM GENUINE and GSP. The "Popular" part is TRAKMOTIVE GM86039.

This group includes TRAKMOTIVE GM86039, TRAKMOTIVE GM86032 and GM GENUINE 84509594 and the remaining parts above.

This table covers the CV Intermediate shafts. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 23269757.

This table covers the CV Joint Lock rings. Read more

GM GENUINE supplies the 3 CV Joint Lock Ring parts for the 2018 Cadillac CT6.

Listed part numbers: GM GENUINE 23417960, GM GENUINE 11611639 and GM GENUINE 84210850.

This table covers the Differential Bearing retainers. Read more

This group shows a single part: GM GENUINE 23417954.

This table covers the carriers that hold the differential gears in the axle. Read more

2 Differential Carrier parts for the 2018 Cadillac CT6 come from GM GENUINE.

Part numbers include GM GENUINE 86827951 and GM GENUINE 85596738.

This table covers the Differential Carrier bolts. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 11611275.

This table covers the Differential Carrier bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Differential Carrier Bushing parts for the 2018 Cadillac CT6 come from GM GENUINE.

This group includes GM GENUINE 20762354 and GM GENUINE 20762248.

This table covers the Differential Cover bolts. Read more

This group shows a single part: GM GENUINE 11548959.

This table covers the gaskets that seal the Differential 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

This group shows a single part: ELRING B18170.

This table covers the Differential Fill drain plugs. Read more

2 Differential Fill / Drain Plug parts for the 2018 Cadillac CT6 come from GM GENUINE.

This group includes GM GENUINE 55573646 and GM GENUINE 84479772.

This table covers the seals at the differential pinion yoke. 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 Differential Pinion Seal parts for the 2018 Cadillac CT6 come from 2 brands — GM GENUINE and TIMKEN.

Part numbers include GM GENUINE 86827963 and TIMKEN SL260408.

This table covers the seals at the Differential. 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 2018 Cadillac CT6 — ELRING B18200.

This table covers the seals at the Differential Side 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

GM GENUINE supplies both parts for the 2018 Cadillac CT6.

Part numbers include GM GENUINE 23417961 and GM GENUINE 23417962.

This table covers the driveshafts that carry torque from the transmission or transfer case. Read more

8 Drive Shaft parts are listed for the 2018 Cadillac CT6, from DORMAN, WJB / INMOTION PARTS and GM GENUINE.

Listed part numbers: DORMAN 986538, DORMAN 986996 and DORMAN 986537, plus the other parts above.

This table covers the Drive Shaft bolts. Read more

2 Drive Shaft Bolt parts for the 2018 Cadillac CT6 come from GM GENUINE.

Listed part numbers: GM GENUINE 11546698 and GM GENUINE 11547241.

This table covers the Drive Shaft Flange yokes. Read more

3 Drive Shaft Flange Yoke parts for the 2018 Cadillac CT6 come from GM GENUINE.

Part numbers include GM GENUINE 23417952, GM GENUINE 23417953 and GM GENUINE 24272758.

This table covers the seals at the Drive Shaft. 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: ELRING B18370.

This table covers the seals at the Drive Shaft Slip Yoke. 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 Drive Shaft Slip Yoke Seal parts for the 2018 Cadillac CT6 come from GM GENUINE.

Listed part numbers: GM GENUINE 24228886 and GM GENUINE 24291469.

This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle. Read more

5 Gear Oil parts for the 2018 Cadillac CT6 come from 2 brands — VALVOLINE and ACDELCO. The "Popular" part is VALVOLINE VV975.

Listed part numbers: VALVOLINE VV975, ACDELCO 104108 and VALVOLINE 889785, plus the other parts above.

This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

This group shows a single part: ACDELCO 104100.

This table covers the seals at the Transfer Case Input Shaft. 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 Transfer Case Input Shaft Seal parts are listed for the 2018 Cadillac CT6, from BCA, NATIONAL, SCHAEFFLER and 1 other brand.

Listed part numbers: BCA NS224460, NATIONAL 224460 and SCHAEFFLER SS2772, plus the other parts above.

This table covers the Transfer Case motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

3 Transfer Case Motor parts are listed for the 2018 Cadillac CT6, from DORMAN, GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include DORMAN 600921, GM GENUINE 84336363 and STANDARD MOTOR PRODUCTS TCM184.

This table covers the Transfer Case Oil drain plugs. Read more

This group shows a single part: GM GENUINE 23247374.

This table covers the seals at the Transfer Case Output Shaft. 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

5 Transfer Case Output Shaft Seal parts for the 2018 Cadillac CT6 come from 5 brands — NATIONAL, BCA, GM GENUINE and 2 other brands. The "Popular" part is NATIONAL 710694.

Listed part numbers: NATIONAL 710694, BCA NS710694 and GM GENUINE 23247372, plus the other parts above.

This table covers the vents on the transfer case. Read more

One part is listed for the 2018 Cadillac CT6 — GM GENUINE 23247376.