The 2015 Cadillac CTS has 123 drivetrain parts with verified fitment on this page — 49 part types and 15 brands, covering all 4 engine options (2.0L L4 Turbocharged, 3.6L V6, 3.6L V6 Turbocharged and 6.2L V8 Supercharged). Each part includes a manufacturer part number and application notes.
The drivetrain system on the 2015 Cadillac CTS moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (17 parts), Axle Shaft Seal (11 parts) and Differential Pinion Seal (11 parts). The other 46 part types cover the remaining 84 parts.
The 2015 Cadillac CTS was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2015 Cadillac CTS drivetrain parts are GM GENUINE (54 parts), WJB / INMOTION PARTS (19 parts) and BCA (8 parts), plus 12 more brands. Quality grades include Standard Replacement and Economy.
17 parts on this 2015 Cadillac CTS page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 291334 (Axle Shaft Seal) and GM GENUINE 84550220 (CV Axle). Click any part number to see every vehicle that part fits.
AWD Coupling Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 23154580 | 🇺🇸 US 🇨🇦 CA | PremiumElectronic Positraction Limited Slip Axle (G96) | View on Amazon |
This table covers the AWD Coupling Oil filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
This group shows a single part: GM GENUINE 23154580.
Axle / Differential Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 85571694 | 🇺🇸 US 🇨🇦 CA | AWDRR | View on Amazon |
This table covers the Axle / Differential assemblies.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 85571694.
Axle Intermediate Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 22772318 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
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.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 22772318.
Axle Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 85571700 | 🇺🇸 US 🇨🇦 CA | Fits RearAWD | View on Amazon |
This table covers the Axle shafts.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 85571700.
Axle Shaft Housing / Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 84098258 | 🇺🇸 US 🇨🇦 CA | AWD | View on Amazon |
This table covers the Axle Shaft Housing tubes.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 84098258.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 291334 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| GM GENUINE Popular Fits: 6.2L V8 Supercharged | 291341 | 🇺🇸 US 🇨🇦 CA | Fits Rear6 speed Automatic trans.or Rear | View on Amazon |
| SKF Popular Fits: 3.6L V6, 6.2L V8 Supercharged | 13544A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 23276834 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 291342 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| SKF Fits: 6.2L V8 Supercharged | 15574A | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6, 6.2L V8 Supercharged | WS710999 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 4.378 IN Ring Gear | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS710853 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS711064 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 6.2L V8 Supercharged | WS13544A | 🇺🇸 US 🇨🇦 CA | Front1.378 Shaft Diameter | View on Amazon |
| WJB / INMOTION PARTS Fits: 6.2L V8 Supercharged | WS15574A | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
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.
11 Axle Shaft Seal parts for the 2015 Cadillac CTS come from 3 brands — WJB / INMOTION PARTS, GM GENUINE and SKF. The "Popular" part is GM GENUINE 291334.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.6L V6 | 84550220 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| GM GENUINE Popular Fits: 3.6L V6 | 84550219 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| TOP NOTCH Popular Fits: 6.2L V8 Supercharged | TN20091 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| TRAKMOTIVE Popular Fits: 6.2L V8 Supercharged | GM8316 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| APWI Fits: 6.2L V8 Supercharged | GM8536 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| APWI Fits: 6.2L V8 Supercharged | GM8537 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84550230 | 🇺🇸 US 🇨🇦 CA | Rear Rightwith RPO Code ABXW | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84550229 | 🇺🇸 US 🇨🇦 CA | Rear Leftwith RPO Code ABXV | View on Amazon |
| GSP Fits: 3.6L V6 | NCV17011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| GSP Fits: 6.2L V8 Supercharged | NCV10103 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| GSP Fits: 6.2L V8 Supercharged | NCV10289 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| TOP NOTCH Fits: 6.2L V8 Supercharged | TN20110 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| TRAKMOTIVE Fits: 3.6L V6 | GM8516 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TRAKMOTIVE Fits: 3.6L V6 | GM8517 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| TRAKMOTIVE Fits: 3.6L V6 | GM8506 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| TRAKMOTIVE Fits: 3.6L V6 | GM8510 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TRAKMOTIVE Fits: 6.2L V8 Supercharged | GM8317 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
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.
17 CV Axle parts for the 2015 Cadillac CTS come from 5 brands — TRAKMOTIVE, GM GENUINE, GSP and 2 other brands. The "Popular" part is GM GENUINE 84550220.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 22772313 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
This table covers the CV Intermediate shafts.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 22772313.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 84138224 | 🇺🇸 US 🇨🇦 CA | Rear InnerINNER | View on Amazon |
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.
This group shows a single part: GM GENUINE 84138224.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11611715 | 🇺🇸 US 🇨🇦 CA | Rear Left Outboard InnerStainless Steel | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 364038 | 🇺🇸 US 🇨🇦 CA | Rear Outboard OuterSingle Use | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84207707 | 🇺🇸 US 🇨🇦 CA | Front Inboard OuterAWD | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
GM GENUINE supplies the 3 CV Joint Boot Band parts for the 2015 Cadillac CTS.
Part numbers include GM GENUINE 11611715, GM GENUINE 364038 and GM GENUINE 84207707.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11611639 | 🇺🇸 US 🇨🇦 CA | RearSingle Use | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 11611639.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11611275 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM16X2X111,23THD | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11609607 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM12X1.75X90 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 11589283 | 🇺🇸 US 🇨🇦 CA | AWDM12X1.75X126 | View on Amazon |
| GM GENUINE Fits: 6.2L V8 Supercharged | 11569732 | 🇺🇸 US 🇨🇦 CA | M14X2X101.68,48 Thread63OD | View on Amazon |
This table covers the Differential Carrier bolts.
GM GENUINE supplies the 4 Differential Carrier Bolt parts for the 2015 Cadillac CTS.
This group includes GM GENUINE 11611275, GM GENUINE 11609607 and GM GENUINE 11589283 and the remaining parts above.
Differential Carrier Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 20762354 | 🇺🇸 US 🇨🇦 CA | Mounted In Differential Housing | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 20762248 | 🇺🇸 US 🇨🇦 CA | Mounted in Cradle | View on Amazon |
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.
2 Differential Carrier Bushing parts for the 2015 Cadillac CTS come from GM GENUINE.
Part numbers include GM GENUINE 20762354 and GM GENUINE 20762248.
Differential Clutch Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 6.2L V8 Supercharged | 19132906 | 🇺🇸 US 🇨🇦 CA | Fits 6 speed Automatic trans.or 6 speed Manual trans. | View on Amazon |
This table covers the clutch packs in a limited-slip or locking differential.
This group shows a single part: GM GENUINE 19132906.
Differential Clutch Pressure Control Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 23154576 | 🇺🇸 US 🇨🇦 CA | PremiumElectronic Positraction Limited Slip Axle (G96) | View on Amazon |
This table covers the Differential Clutch Pressure Control valves. 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.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 23154576.
Differential Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 86788448 | 🇺🇸 US 🇨🇦 CA | Terminal Type: "Pin, Blade" | View on Amazon |
This table covers the Differential control modules.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 86788448.
Differential Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 23221119 | 🇺🇸 US 🇨🇦 CA | Fits AWD1/4" Vent Hole | View on Amazon |
This table covers the Differential covers.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 23221119.
Differential Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 26036835 | 🇺🇸 US 🇨🇦 CA | with WA 20 OD,M10X1.5X34.9 | View on Amazon |
This table covers the Differential Cover bolts.
This group shows a single part: GM GENUINE 26036835.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 3.6L V6, 6.2L V8 Supercharged | B18210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FEL-PRO Fits: 3.6L V6 | RDS55489 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAxle Housing Cover | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 22772331 | 🇺🇸 US 🇨🇦 CA | Carrier Gasket | View on Amazon |
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.
3 Differential Cover Gasket parts for the 2015 Cadillac CTS come from 3 brands — ELRING, FEL-PRO and GM GENUINE.
Part numbers include ELRING B18210, FEL-PRO RDS55489 and GM GENUINE 22772331.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 55573646 | 🇺🇸 US 🇨🇦 CA | Includes O-Ring | View on Amazon |
| GM GENUINE Fits: 6.2L V8 Supercharged | 19256069 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Differential Fill drain plugs.
2 Differential Fill / Drain Plug parts for the 2015 Cadillac CTS come from GM GENUINE.
This group includes GM GENUINE 55573646 and GM GENUINE 19256069.
Differential Lock Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 86788449 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade Pin | View on Amazon |
This table covers the Differential Lock actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.
This group shows a single part: GM GENUINE 86788449.
Differential Mount Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 22851780 | 🇺🇸 US 🇨🇦 CA | PremiumElectronic Positraction Limited Slip Axle (G96) | View on Amazon |
This table covers the brackets that mount the Differential 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.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 22851780.
Differential Oil Pump Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 23157289 | 🇺🇸 US 🇨🇦 CA | InletPremium | View on Amazon |
This table covers the Differential Oil Pump hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 23157289.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Popular Fits: 3.6L V6, 6.2L V8 Supercharged | NBNP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Only | View on Amazon |
| BCA Popular Fits: 3.6L V6, 6.2L V8 Supercharged | NBA67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing SetIncludes Cup and Cone | View on Amazon |
| BCA Fits: 3.6L V6, 6.2L V8 Supercharged | NBNP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL Fits: 3.6L V6, 6.2L V8 Supercharged | NP233028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| NATIONAL Fits: 3.6L V6, 6.2L V8 Supercharged | NP922169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear InnerTaper Bearing Cone Style | View on Amazon |
| NATIONAL Fits: 3.6L V6, 6.2L V8 Supercharged | A67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Taper Bearing Set Includes Cup and Cone | View on Amazon |
This table covers the bearings and races on the differential pinion.
6 Differential Pinion Bearing / Race parts are listed for the 2015 Cadillac CTS, from BCA and NATIONAL. BCA NBNP922169 carries the "Popular" badge.
Listed part numbers: BCA NBNP922169, BCA NBA67 and BCA NBNP233028, plus the other parts above.
Differential Pinion Bearing Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 6.2L V8 Supercharged | 89058602 | 🇺🇸 US 🇨🇦 CA | Fits 6 speed Manual trans.M8X1.25X30,24 Thread | View on Amazon |
This table covers the Differential Pinion Bearing bolts.
This group shows a single part: GM GENUINE 89058602.
Differential Pinion Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 22772321 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
This table covers the flanges that connect the driveshaft to the differential pinion.
This group shows a single part: GM GENUINE 22772321.
Differential Pinion Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11611637 | 🇺🇸 US 🇨🇦 CA | Fits FrontM22X1.5,15THK | View on Amazon |
This table covers the Differential Pinion nuts.
This group shows a single part: GM GENUINE 11611637.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS99193 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
This group shows a single part: WJB / INMOTION PARTS WS99193.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: 3.6L V6 | 710536 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
| TIMKEN Popular Fits: 6.2L V8 Supercharged, 3.6L V6 | 710536 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1.969 in. Shaft Size2.908 in. Bore | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: 3.6L V6 | WS710536 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
| WJB / INMOTION PARTS Popular Fits: 6.2L V8 Supercharged, 3.6L V6 | WS710998 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outerwith 7.625 IN Ring Gear | View on Amazon |
| BCA Fits: 3.6L V6 | NS710536 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 23270117 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 92230584 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 6.2L V8 Supercharged | 25861283 | 🇺🇸 US 🇨🇦 CA | Fits 6 speed Automatic trans.58.98MM | View on Amazon |
| SKF Fits: 3.6L V6, 6.2L V8 Supercharged | 19280A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TIMKEN Fits: 6.2L V8 Supercharged | SL260577 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: 6.2L V8 Supercharged | WS19280A | 🇺🇸 US 🇨🇦 CA | Front2.913 Bore Diameter | View on Amazon |
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.
11 Differential Pinion Seal parts for the 2015 Cadillac CTS come from 6 brands — WJB / INMOTION PARTS, GM GENUINE, TIMKEN and 3 other brands. The "Popular" part is NATIONAL 710536.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.6L V6 | 938817 | 🇺🇸 US 🇨🇦 CA | Length: 27" | View on Amazon |
| DORMAN Fits: 3.6L V6 | 976939 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 56.25" | View on Amazon |
| DORMAN Fits: 6.2L V8 Supercharged | 976883 | 🇺🇸 US 🇨🇦 CA | Length: 59.35" | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84150924 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| GSP Fits: 3.6L V6 | PS900175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front1 Piece Shaft | View on Amazon |
| TOP NOTCH Fits: 3.6L V6 | TN1062PS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front1 Piece Shaft | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WDS38817 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WDS76939 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearRWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 6.2L V8 Supercharged | WDS76883 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
9 Drive Shaft parts are listed for the 2015 Cadillac CTS, from DORMAN, WJB / INMOTION PARTS, GM GENUINE and 2 other brands. DORMAN 938817 carries the "Popular" badge.
Listed part numbers: DORMAN 938817, DORMAN 976939 and DORMAN 976883, plus the other parts above.
Drive Shaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 11546698 | 🇺🇸 US 🇨🇦 CA | Fits FrontM12X1.75X64,62THD | View on Amazon |
This table covers the Drive Shaft bolts.
This group shows a single part: GM GENUINE 11546698.
Drive Shaft Flange Yoke
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 22772323 | 🇺🇸 US 🇨🇦 CA | Flange Face Thickness (In): .472 In | View on Amazon |
This table covers the Drive Shaft Flange yokes.
This group shows a single part: GM GENUINE 22772323.
Drive Shaft Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 20813566 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
This table covers the Drive Shaft retainers.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 20813566.
Drive Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 6.2L V8 Supercharged | B17180 | 🇺🇸 US 🇨🇦 CA | Swirl Type: Alternating Twist | View on Amazon |
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.
This group shows a single part: ELRING B17180.
Drive Shaft Slip Yoke Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 6.2L V8 Supercharged | 24226707 | 🇺🇸 US 🇨🇦 CA | 6 speed Automatic trans. | View on Amazon |
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.
This group shows a single part: GM GENUINE 24226707.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.6L V6, 6.2L V8 Supercharged | 104016 | 🇺🇸 US | 1 Quart75W-90 | View on Amazon |
| VALVOLINE Popular Fits: 3.6L V6, 6.2L V8 Supercharged | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| ACDELCO Fits: 3.6L V6 | 104108 | 🇺🇸 US | 1 QuartDexron 75W-90 ACDELCO | View on Amazon |
| VALVOLINE Fits: 3.6L V6, 6.2L V8 Supercharged | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.6L V6, 6.2L V8 Supercharged | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.6L V6, 6.2L V8 Supercharged | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
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.
6 Gear Oil parts for the 2015 Cadillac CTS come from 2 brands — VALVOLINE and ACDELCO. The "Popular" part is ACDELCO 104016.
Part numbers include ACDELCO 104016, VALVOLINE VV975 and ACDELCO 104108, among others listed above.
Transfer Case Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 24267004 | 🇺🇸 US 🇨🇦 CA | Rear, OutputAWD | View on Amazon |
This table covers the Transfer Case flanges.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 24267004.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6, 6.2L V8 Supercharged | 104044 | 🇺🇸 US | 33.8 OZ/1L | View on Amazon |
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.
This group shows a single part: ACDELCO 104044.
Transfer Case Fluid Temperature Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 19179158 | 🇺🇸 US 🇨🇦 CA | AWD | View on Amazon |
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.
This group shows a single part: GM GENUINE 19179158.
Transfer Case Input Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 24266971 | 🇺🇸 US 🇨🇦 CA | AWDwith RPO Code A2 | View on Amazon |
This table covers the Transfer Case Input shafts.
This group shows a single part: GM GENUINE 24266971.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS710725 | 🇺🇸 US 🇨🇦 CA | AWDwith Borg-Warner 4474 Transfer Case | View on Amazon |
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.
One part is listed for the 2015 Cadillac CTS — WJB / INMOTION PARTS WS710725.
Transfer Case Main Shaft Pilot Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: 6.2L V8 Supercharged | WTA16 | 🇺🇸 US 🇨🇦 CA | Bearing & Race Set | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 6.2L V8 Supercharged | NBA16 | 🇺🇸 US 🇨🇦 CA | Bearing & Race SetIncludes Cup and Cone | View on Amazon |
| NATIONAL Fits: 6.2L V8 Supercharged | A16 | 🇺🇸 US 🇨🇦 CA | Taper Bearing Set Includes Cup and Cone | View on Amazon |
This table covers the Transfer Case Main Shaft Pilot 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.
3 Transfer Case Main Shaft Pilot Bearing parts are listed for the 2015 Cadillac CTS, from WJB / INMOTION PARTS, BCA and NATIONAL.
In the Economy grade, WJB / INMOTION PARTS supplies 1 part: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WTA16.
The Standard Replacement section lists 2 options from BCA and NATIONAL — built to original-equipment specification. BCA NBA16 is listed in this group.
Part numbers include WJB / INMOTION PARTS WTA16, BCA NBA16 and NATIONAL A16.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 19208080 | 🇺🇸 US 🇨🇦 CA | AWDwithout Housing | View on Amazon |
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.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 19208080.
Transfer Case Output Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 24266988 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
This table covers the Transfer Case Output shafts.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 24266988.
Transfer Case Output Shaft Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS Fits: 3.6L V6 | RB6009 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | RB6209N | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: 3.6L V6 | 109 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| BCA Fits: 3.6L V6 | NB109 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Frontwith Borg Warner 4474 Transfer Case | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 88984506 | 🇺🇸 US 🇨🇦 CA | Fits Front ForwardAWD | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 6.2L V8 Supercharged | NB109 | 🇺🇸 US 🇨🇦 CA | Fits Frontwith Borg Warner 4474 Transfer Case | View on Amazon |
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.
6 Transfer Case Output Shaft Bearing parts are listed for the 2015 Cadillac CTS, from WJB / INMOTION PARTS, BCA, NATIONAL and 1 other brand. NATIONAL 109 carries the "Popular" badge.
Economy: 2 parts, from WJB / INMOTION PARTS. A representative part number is WJB / INMOTION PARTS RB6009.
The Standard Replacement section: 3 options from NATIONAL, BCA and GM GENUINE. NATIONAL 109 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: NATIONAL 109, WJB / INMOTION PARTS RB6009 and WJB / INMOTION PARTS RB6209N, plus the other parts above.
Transfer Case Output Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 3.6L V6 | 99204 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS99204 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
This table covers the wear sleeves used to restore a Transfer Case Output Shaft seal surface.
2 Transfer Case Output Shaft Repair Sleeve parts for the 2015 Cadillac CTS come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 99204 and WJB / INMOTION PARTS WS99204.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Fits: 3.6L V6 | SL260365 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS710953 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
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.
2 Transfer Case Output Shaft Seal parts for the 2015 Cadillac CTS come from 2 brands — TIMKEN and WJB / INMOTION PARTS.
Listed part numbers: TIMKEN SL260365 and WJB / INMOTION PARTS WS710953.
Transfer Case Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: 3.6L V6 | NS330385 | 🇺🇸 US 🇨🇦 CA | AWDwith Borg Warner 4477 Transfer Case | View on Amazon |
| NATIONAL Fits: 3.6L V6 | 330385 | 🇺🇸 US 🇨🇦 CA | AWDwith Borg-Warner 4474 Transfer Case | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.6L V6 | WS330385 | 🇺🇸 US 🇨🇦 CA | AWDwith Borg-Warner 4474 Transfer Case | View on Amazon |
This table covers the seals at the Transfer Case Shift 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.
3 Transfer Case Shift Shaft Seal parts are listed for the 2015 Cadillac CTS, from BCA, NATIONAL and WJB / INMOTION PARTS.
Part numbers include BCA NS330385, NATIONAL 330385 and WJB / INMOTION PARTS WS330385.
Transfer Case Vent
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 19180066 | 🇺🇸 US 🇨🇦 CA | AWD | View on Amazon |
This table covers the vents on the transfer case.
One part is listed for the 2015 Cadillac CTS — GM GENUINE 19180066.
Buying Drivetrain Parts for a 2015 Cadillac CTS
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Axle and Axle Shaft Seal .
Frequently Asked Questions
How many drivetrain parts fit the 2015 Cadillac CTS?
Our catalog currently lists 123 drivetrain parts for the 2015 Cadillac CTS across 49 subcategories and 15 brands, covering all 4 engine options (2.0L L4 Turbocharged, 3.6L V6, 3.6L V6 Turbocharged and 6.2L V8 Supercharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2015 Cadillac CTS engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2015 Cadillac CTS?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2015 Cadillac CTS was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2015 Cadillac CTS?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2015 Cadillac CTS
Drivetrain Parts for Other Cadillac CTS Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.