2025 Cadillac CT5 Drivetrain Parts

This table covers the Axle / Differential assemblies. Read more

2 Axle / Differential Assembly parts for the 2025 Cadillac CT5 come from GM GENUINE.

This group includes GM GENUINE 84793108 and GM GENUINE 84821401.

This table covers the Axle bolts. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 11601876.

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

This group shows a single part: GM GENUINE 23269758.

This table covers the Axle shafts. Read more

5 Axle Shaft parts for the 2025 Cadillac CT5 come from GM GENUINE.

Listed part numbers: GM GENUINE 84479766, GM GENUINE 84537630 and GM GENUINE 84537631, plus the other parts above.

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

GM GENUINE supplies the 4 Axle Shaft Seal parts for the 2025 Cadillac CT5.

Part numbers include GM GENUINE 291367, GM GENUINE 23269761 and GM GENUINE 84649193, among others listed 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

4 CV Axle parts are listed for the 2025 Cadillac CT5, from GM GENUINE and TRAKMOTIVE.

Listed part numbers: GM GENUINE 87829453, GM GENUINE 87829454 and GM GENUINE 85656401, plus the other parts above.

This table covers the CV Intermediate shafts. Read more

This group shows a single part: GM GENUINE 84632509.

This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84788028.

This table covers the CV Joint Lock rings. Read more

This group shows a single part: GM GENUINE 84210850.

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

GM GENUINE supplies both parts for the 2025 Cadillac CT5.

Part numbers include GM GENUINE 86555801 and GM GENUINE 85567334.

This table covers the Differential Carrier bolts. Read more

3 Differential Carrier Bolt parts for the 2025 Cadillac CT5 come from GM GENUINE.

Listed part numbers: GM GENUINE 11611275, GM GENUINE 11610911 and GM GENUINE 11609607.

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

GM GENUINE supplies both parts for the 2025 Cadillac CT5.

Part numbers include GM GENUINE 20762354 and GM GENUINE 20762248.

This table covers the Differential control modules. Read more

This group shows a single part: GM GENUINE 86586531.

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

One part is listed for the 2025 Cadillac CT5 — ELRING B18210.

This table covers the Differential Fill drain plugs. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84479772.

This table covers the Differential Lock 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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84882448.

This table covers the Differential Oil coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 22921943.

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

GM GENUINE supplies both parts for the 2025 Cadillac CT5.

This group includes GM GENUINE 84479771 and GM GENUINE 84537633.

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

4 Drive Shaft parts for the 2025 Cadillac CT5 come from GM GENUINE.

This group includes GM GENUINE 86519101, GM GENUINE 84859332 and GM GENUINE 85514209 and the remaining parts above.

This table covers the Drive Shaft bolts. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 11546698.

This table covers the Drive Shaft End yokes. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 24280422.

This table covers the Drive Shaft Flange yokes. Read more

GM GENUINE supplies both parts for the 2025 Cadillac CT5.

Listed part numbers: GM GENUINE 85514204 and GM GENUINE 85514206.

This table covers the Drive Shaft retainers. Read more

2 Drive Shaft Retainer parts for the 2025 Cadillac CT5 come from GM GENUINE.

Part numbers include GM GENUINE 10363385 and GM GENUINE 86519122.

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

ELRING supplies both parts for the 2025 Cadillac CT5.

Listed part numbers: ELRING B16870 and ELRING B17180.

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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 24233898.

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

11 Gear Oil parts are listed for the 2025 Cadillac CT5, from VALVOLINE and ACDELCO. VALVOLINE VV975 carries the "Popular" badge.

In the SAE 75W-85 grade, ACDELCO supplies 1 part: grouped under the catalog's "SAE 75W-85" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 104122.

In the SAE 75W-90 grade, VALVOLINE and ACDELCO supply 5 parts: grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV975.

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

This table covers the Transfer Case control modules. Read more

This group shows a single part: GM GENUINE 42862119.

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

2 Transfer Case Fluid parts are listed for the 2025 Cadillac CT5, from ACDELCO and VALVOLINE.

This group includes ACDELCO 104044 and VALVOLINE 888170.

This table covers the Transfer Case Fluid temperature sensors. Typical signs include hard cold starts, a fan that never comes on, or a gauge that disagrees with the scan tool. A sensor that reads open or shorted is usually the part; an implausible-but-smooth reading can be wiring. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 19179158.

This table covers the Transfer Case Input shafts. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84025382.

This table covers the Transfer Case Input 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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 89059519.

This table covers the Transfer Case Input Shaft Thrust 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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 24267009.

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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84517829.

This table covers the wear sleeves used to restore a Transfer Case Oil Pump Housing seal surface. Read more

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 85010717.

This table covers the Transfer Case Output shafts. Read more

This group shows a single part: GM GENUINE 84517839.

This table covers the Transfer Case Output 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

2 Transfer Case Output Shaft Bearing parts for the 2025 Cadillac CT5 come from GM GENUINE.

Part numbers include GM GENUINE 88984506 and GM GENUINE 84517840.

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

One part is listed for the 2025 Cadillac CT5 — GM GENUINE 84517832.

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

This group shows a single part: GM GENUINE 19180066.