2019 Cadillac Ats Drivetrain Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

100 Drivetrain parts are listed for the 2019 Cadillac Ats, in 38 part types, covering all 3 engine options (2.0L L4 Turbocharged, 3.6L V6 and 3.6L V6 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.

The drivetrain system on the 2019 Cadillac Ats moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (17 parts), Differential Cover Gasket (10 parts) and Axle Shaft Seal (9 parts). The other 35 part types cover the remaining 64 parts.

AWD Coupling Oil Filter

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23154580
🇺🇸 US 🇨🇦 CA
Electronic Positraction Limited Slip Axle (G96)
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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.

Axle / Differential Assembly

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 85571696
🇺🇸 US 🇨🇦 CA
AWD8 speed Automatic trans.
Fitment notes — GM GENUINE 85571696
AWD8 speed Automatic trans.Ride and Handling Suspension Code (FE2),3.27R(GW6)195mm
Premium Luxury8 speed Automatic trans.Ride and Handling Suspension Code (FE2)195mm
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This table covers the Axle / Differential assemblies.

Axle Intermediate Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 22772318
🇺🇸 US 🇨🇦 CA
FrontAWD
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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.

Axle Shaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 85571702
🇺🇸 US 🇨🇦 CA
Fits RearAWD
Fitment notes — GM GENUINE 85571702
Fits:
RearAWD8 speed Automatic trans.Ride and Handling Suspension Code (FE2), 3.27R (GW6)
or:
RearRWD8 speed Automatic trans.Ride and Handling Suspension Code (FE2)
Rear8 speed Automatic transRide and Handling Suspension Code (FE2)
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GM GENUINE Fits: 3.6L V6 23156299
🇺🇸 US 🇨🇦 CA
RearPremium Performance
Fitment notes — GM GENUINE 23156299
RearPremium Performance8 speed Automatic trans.Sport Suspension (FE3)
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GM GENUINE Fits: 3.6L V6 Turbocharged 23297260
🇺🇸 US 🇨🇦 CA
Rear Left
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GM GENUINE Fits: 3.6L V6 Turbocharged 23297261
🇺🇸 US 🇨🇦 CA
Rear Right
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This table covers the Axle shafts.

Axle Shaft Housing / Tube

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged 84098259
🇺🇸 US 🇨🇦 CA
AWD
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GM GENUINE Fits: 3.6L V6 84098258
🇺🇸 US 🇨🇦 CA
AWD
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This table covers the Axle Shaft Housing tubes.

Axle Shaft Lock / Snap Ring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 13317913
🇺🇸 US 🇨🇦 CA
8 speed Automatic trans.Round Form
Fitment notes — GM GENUINE 13317913
8 speed Automatic trans.Round FormRide and Handling Suspension Code (FE2), Value Added Rear Suspension (VRN)
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This table covers the Axle Shaft Lock / Snap rings.

Axle Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 2.0L L4 Turbocharged, 3.6L V6 291334
🇺🇸 US 🇨🇦 CA
Fits RearAWD
Fitment notes — GM GENUINE 291334
Fits:
RearAWD8 speed Automatic trans.Ride and Handling Suspension Code (FE2), 3.27R (GW6)
or:
RearRWD8 speed Automatic trans.Ride and Handling Suspension Code (FE2)
Rear8 speed Automatic transRide and Handling Suspension Code (FE2)
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GM GENUINE Popular Fits: 2.0L L4 Turbocharged, 3.6L V6 291342
🇺🇸 US 🇨🇦 CA
FrontAWD
Fitment notes — GM GENUINE 291342
FrontAWDNON-CLUTCH SIDE55mm Diameter
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GM GENUINE Popular Fits: 3.6L V6 291333
🇺🇸 US 🇨🇦 CA
RearPremium Performance
Fitment notes — GM GENUINE 291333
RearPremium Performance8 speed Automatic trans.Sport Suspension (FE3)
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GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 23276834
🇺🇸 US 🇨🇦 CA
FrontAWD
Fitment notes — GM GENUINE 23276834
FrontAWDUNITIZED SEAL
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GM GENUINE Fits: 3.6L V6 Turbocharged 291349
🇺🇸 US 🇨🇦 CA
Rear
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TIMKEN Fits: 2.0L L4 Turbocharged, 3.6L V6 SL260173
🇺🇸 US
FrontAWD
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TIMKEN Fits: 2.0L L4 Turbocharged, 3.6L V6 SL260424
🇺🇸 US
RearExc.Sport Suspension
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TIMKEN Fits: 2.0L L4 Turbocharged, 3.6L V6 SL260425
🇺🇸 US
RearSport Suspension
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TIMKEN Fits: 3.6L V6 Turbocharged SL260426
🇺🇸 US 🇲🇽 MX
Rear
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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.

CV Axle

Brand Part Number Markets Notes Buy
APWI Popular Fits: 3.6L V6 Turbocharged GM8513
🇺🇸 US 🇲🇽 MX
Rear LeftAutomatic trans.
Fitment notes — APWI GM8513
Rear LeftAutomatic trans.with Option FE2 -ride and handling suspension system
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GM GENUINE Popular Fits: 3.6L V6 84550217
🇺🇸 US 🇨🇦 CA
Front LeftAWD
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TOP NOTCH Popular Fits: 3.6L V6 TN20105
🇺🇸 US
Front Left
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TOP NOTCH Popular Fits: 3.6L V6 TN20102
🇺🇸 US
Rear Rightwith Sport Ride Suspension
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APWI Fits: 3.6L V6, 3.6L V6 Turbocharged GM8541
🇺🇸 US
Front Right
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GM GENUINE Fits: 3.6L V6 84550218
🇺🇸 US 🇨🇦 CA
Front RightAWD
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GM GENUINE Fits: 3.6L V6 84550227
🇺🇸 US 🇨🇦 CA
Inboard Joint Mount Hole Quantity: 6
Fitment notes — GM GENUINE 84550227
Inboard Joint Mount Hole Quantity: 6
Rear LeftPremium Performance8 Speed Automatic Trans.Sport Suspension (FE3)SINGLE USEwith RPO Code ABXT
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GM GENUINE Fits: 3.6L V6 84550223
🇺🇸 US 🇨🇦 CA
Rear Left8 Speed Automatic Trans.
Fitment notes — GM GENUINE 84550223
Rear Left8 Speed Automatic Trans.RIDE AND HANDLING Suspension Code (FE2)with RPO Code ABXNwith RPO Code ABLK
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GM GENUINE Fits: 3.6L V6 Turbocharged 84550226
🇺🇸 US 🇨🇦 CA
Rear Rightwith RPO Code ANLN
Fitment notes — GM GENUINE 84550226
Rear Rightwith RPO Code ANLNwith RPO Code ABXS
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GSP Fits: 3.6L V6 NCV10284
🇺🇸 US
Front Left
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GSP Fits: 3.6L V6 NCV10285
🇺🇸 US
Front Right
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GSP Fits: 3.6L V6 NCV10282
🇺🇸 US
Rear Rightwith ride & handling suspension
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GSP Fits: 3.6L V6 NCV10281
🇺🇸 US
Rear Rightwith Sport Ride Suspension
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TOP NOTCH Fits: 3.6L V6 TN20106
🇺🇸 US
Front Right
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TOP NOTCH Fits: 3.6L V6 TN20103
🇺🇸 US
Rear Rightwith ride & handling suspension
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TRAKMOTIVE Fits: 3.6L V6, 3.6L V6 Turbocharged GM8361
🇺🇸 US 🇲🇽 MX
Rear RightOpt. FE2
Fitment notes — TRAKMOTIVE GM8361
Rear RightOpt. FE2Ride and Handling Suspension System
Rear RightAutomatic trans.Opt. FE2Ride and Handling Suspension System
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TRAKMOTIVE Fits: 3.6L V6, 3.6L V6 Turbocharged GM8464
🇺🇸 US 🇲🇽 MX
Rear LeftOpt. FE3
Fitment notes — TRAKMOTIVE GM8464
Rear LeftOpt. FE3Sport Ride Suspension System
Fits:
Rear LeftManual trans.or Rear LeftAutomatic trans.Opt. FE3Sport Ride Suspension System
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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.

CV Intermediate Shaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.0L L4 Turbocharged, 3.6L V6 22772313
🇺🇸 US 🇨🇦 CA
FrontAWD
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This table covers the CV Intermediate shafts.

CV Joint Boot

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 84138224
🇺🇸 US 🇨🇦 CA
Rear Right InnerPremium Performance
Fitment notes — GM GENUINE 84138224
Rear Right InnerPremium Performance8 speed Automatic trans.INNER
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GM GENUINE Fits: 3.6L V6 84138225
🇺🇸 US 🇨🇦 CA
Rear Left InnerPremium Performance
Fitment notes — GM GENUINE 84138225
Rear Left InnerPremium Performance8 speed Automatic trans.
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GM GENUINE Fits: 3.6L V6 Turbocharged 84138229
🇺🇸 US 🇨🇦 CA
Rear Right Outer
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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.

CV Joint Boot Band

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 11611715
🇺🇸 US 🇨🇦 CA
Fits Rear Left Outboard Inner8 speed Automatic trans.
Fitment notes — GM GENUINE 11611715
Fits:
Rear Left Outboard Inner8 speed Automatic trans.Stainless SteelSport Suspension (FE3), Value Added Rear Suspension (VRN)Single Use46 Diameter
or:
Rear Left Inboard OuterPremium Performance8 speed Automatic trans.Stainless SteelSport Suspension (FE3)Single Use46 Diameter
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GM GENUINE Fits: 3.6L V6 11611752
🇺🇸 US 🇨🇦 CA
Fits Front Inboard OuterAWD
Fitment notes — GM GENUINE 11611752
Fits:
Front Inboard OuterAWDCrimpStainless Steel (with Serviceable CV Joints)85.1 ID
or:
Front Inboard InnerAWDCrimpStainless Steel (with Serviceable CV Joints)85.1 ID
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GM GENUINE Fits: 3.6L V6 364038
🇺🇸 US 🇨🇦 CA
Fits Rear Outboard Outer8 speed Automatic trans.
Fitment notes — GM GENUINE 364038
Fits:
Rear Outboard Outer8 speed Automatic trans.Single UseRide and Handling Suspension Code (FE2), Value Added Rear Suspension (VRN)Large ClampStamped 95.4MM93MM Inside Diameter
or:
Rear Outboard Outer8 speed Automatic trans.Sport Suspension (FE3), Value Added Rear Suspension (VRN)Single UseLarge ClampStamped 95.4MM93MM Inside Diameter
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GM GENUINE Fits: 3.6L V6 84207707
🇺🇸 US 🇨🇦 CA
Fits Front Inboard OuterAWD
Fitment notes — GM GENUINE 84207707
Fits:
Front Inboard OuterAWDCLAMPCRIMP, 28 DIAMETER X 10MM WIDE
or:
Front Outboard InnerAWDCLAMPCRIMP, 28 DIAMETER X 10MM WIDE
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GM GENUINE Fits: 3.6L V6 Turbocharged 364079
🇺🇸 US 🇨🇦 CA
Rear Outboard Outer
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This table covers the bands that clamp a CV boot to the joint.

CV Joint Lock Ring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 13317913
🇺🇸 US 🇨🇦 CA
Rear Inner8 speed Automatic trans.
Fitment notes — GM GENUINE 13317913
Rear Inner8 speed Automatic trans.Round FormRide and Handling Suspension Code (FE2), Value Added Rear Suspension (VRN)
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GM GENUINE Fits: 3.6L V6 11611639
🇺🇸 US 🇨🇦 CA
RearAWD
Fitment notes — GM GENUINE 11611639
RearAWD8 speed Automatic trans.Single UseRide and Handling Suspension Code (FE2)Fits 23, 1.8 Thickness
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GM GENUINE Fits: 3.6L V6 11611640
🇺🇸 US 🇨🇦 CA
RearRWD
Fitment notes — GM GENUINE 11611640
RearRWD8 speed Automatic trans.FITS 27, 2 THCK
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This table covers the CV Joint Lock rings.

Differential Carrier

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 23156303
🇺🇸 US 🇨🇦 CA
Premium Performance8 speed Automatic trans.
Fitment notes — GM GENUINE 23156303
Premium Performance8 speed Automatic trans.Sport Suspension (FE3)218MM RDM with 3.27 Ratio
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GM GENUINE Fits: 3.6L V6 Turbocharged 87821839
🇺🇸 US 🇨🇦 CA
8 speed Automatic trans.Order with 22929622
Fitment notes — GM GENUINE 87821839
8 speed Automatic trans.Order with 22929622226mm2.85 Ratio, Electronic Limited Slip Differential, Cooler
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This table covers the carriers that hold the differential gears in the axle.

Differential Carrier Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 11611275
🇺🇸 US 🇨🇦 CA
SINGLE USEM16X2X111,23THD
Fitment notes — GM GENUINE 11611275
SINGLE USEM16X2X111,23THD43.5 OD
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GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 11609607
🇺🇸 US 🇨🇦 CA
SINGLE USEM12X1.75X90
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This table covers the Differential Carrier bolts.

Differential Carrier Bushing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 20762354
🇺🇸 US 🇨🇦 CA
Fits Premium Performance8 speed Automatic trans.
Fitment notes — GM GENUINE 20762354
Fits:
Premium Performance8 speed Automatic trans.Sport Suspension (FE3)Mounted in Differential Housingor RWD8 speed Automatic trans.RIDE AND HANDLING Suspension Code (FE2)Mounted in Differential Housing
Mounted In Differential Housing
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GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 20762248
🇺🇸 US 🇨🇦 CA
Mounted in Cradle
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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.

Differential Clutch Pressure Control Valve

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23154576
🇺🇸 US 🇨🇦 CA
Electronic Positraction Limited Slip Axle (G96)
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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.

Differential Control Module

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 86788448
🇺🇸 US 🇨🇦 CA
Terminal Type: "Pin, Blade"
Fitment notes — GM GENUINE 86788448
Terminal Type: "Pin, Blade"
Electronic Positraction Limited Slip Axle (G96)
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This table covers the Differential control modules.

Differential Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 23221118
🇺🇸 US 🇨🇦 CA
Premium Performance8 speed Automatic trans.
Fitment notes — GM GENUINE 23221118
Premium Performance8 speed Automatic trans.Sport Suspension (FE3)
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GM GENUINE Fits: 3.6L V6 23221119
🇺🇸 US 🇨🇦 CA
8 speed Automatic trans.RIDE AND HANDLING Suspension Code (FE2)
Fitment notes — GM GENUINE 23221119
8 speed Automatic trans.RIDE AND HANDLING Suspension Code (FE2)1/4" Vent HoleOrder with VENT 23156298
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This table covers the Differential covers.

Differential Cover Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 92230405
🇺🇸 US 🇨🇦 CA
Premium Performance8 speed Automatic trans.
Fitment notes — GM GENUINE 92230405
Premium Performance8 speed Automatic trans.Sport Suspension (FE3)M10X1.5X45,25 Thread22.3 OD
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GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 26036835
🇺🇸 US 🇨🇦 CA
with WA 20 OD,M10X1.5X34.9
Fitment notes — GM GENUINE 26036835
with WA 20 OD,M10X1.5X34.9
8 speed Automatic trans.with WA 20 OD,M10X1.5X34.9
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This table covers the Differential Cover bolts.

Differential Cover Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 3.6L V6 Turbocharged RDS55489
🇺🇸 US 🇲🇽 MX
Rearwithout Sport Suspension
Fitment notes — FEL-PRO RDS55489
Rearwithout Sport SuspensionAxle Housing Cover
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GM GENUINE Popular Fits: 3.6L V6 22772331
🇺🇸 US 🇨🇦 CA
Premium Luxury8 speed Automatic trans.
Fitment notes — GM GENUINE 22772331
Premium Luxury8 speed Automatic trans.Ride and Handling Suspension Code (FE2)Carrier Gasket
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GM GENUINE Popular Fits: 3.6L V6 Turbocharged 23154585
🇺🇸 US 🇨🇦 CA
Single UseCarrier Gasket
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ELRING Fits: 3.6L V6, 3.6L V6 Turbocharged B16350
🇺🇸 US 🇲🇽 MX
AWD
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ELRING Fits: 3.6L V6, 3.6L V6 Turbocharged B16360
🇺🇸 US 🇲🇽 MX
AWD
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ELRING Fits: 3.6L V6, 3.6L V6 Turbocharged B18210
🇺🇸 US 🇲🇽 MX
AWD
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ELRING Fits: 3.6L V6 Turbocharged B18180
🇺🇸 US 🇲🇽 MX
LeftCarrier Gasket
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FEL-PRO Fits: 3.6L V6 Turbocharged 55490
🇺🇸 US 🇲🇽 MX
with Sport SuspensionAxle Housing Cover
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GM GENUINE Fits: 3.6L V6 22772332
🇺🇸 US 🇨🇦 CA
Premium Performance8 speed Automatic trans.
Fitment notes — GM GENUINE 22772332
Premium Performance8 speed Automatic trans.Sport Suspension (FE3)Carrier Gasket
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GM GENUINE Fits: 3.6L V6 Turbocharged 23159130
🇺🇸 US 🇨🇦 CA
Carrier Gasket
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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.

Differential Fill / Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6, 3.6L V6 Turbocharged 55573646
🇺🇸 US 🇨🇦 CA
Includes O-Ring
Fitment notes — GM GENUINE 55573646
Includes O-Ring
Fits:
Front DifferentialAWDM20X1.5X1629 ODMagnetZinc CoatedSquare/Ratchet Styl
or:
8 speed Automatic trans.Ride and Handling Suspension Code (FE2), Value Added Rear Suspension (VRN)M20X1.5X1629 ODMagnetZinc CoatedSquare/Ratchet Styl
or:
Premium Performance8 speed Automatic trans.Sport Suspension (FE3) or Value Added Rear Suspension (VRN)M20X1.5X1629 ODMagnetZinc CoatedSquare/Ratchet Style
M20X1.5X1629 ODMagnetZinc CoatedSquare/Ratchet Style
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This table covers the Differential Fill drain plugs.

Differential Lock Actuator

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 86788449
🇺🇸 US 🇨🇦 CA
Terminal Type: Blade Pin
Fitment notes — GM GENUINE 86788449
Terminal Type: Blade Pin
RearElectronic Positraction Limited Slip Axle (G96)
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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.

Differential Mount Bracket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 22851780
🇺🇸 US 🇨🇦 CA
Electronic Positraction Limited Slip Axle (G96)
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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.

Differential Oil Pump Hose

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23157289
🇺🇸 US 🇨🇦 CA
InletElectronic Positraction Limited Slip Axle (G96)
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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.

Differential Oil Temperature Sensor

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23154586
🇺🇸 US 🇨🇦 CA
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This table covers the Differential Oil 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.

Differential Pinion Flange

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 22772321
🇺🇸 US 🇨🇦 CA
FrontAWD
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This table covers the flanges that connect the driveshaft to the differential pinion.

Differential Pinion Nut

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 84489150
🇺🇸 US 🇨🇦 CA
Fits 6 speed Manual trans.Pinion Gear Nutor 8 speed Automatic trans.
Fitment notes — GM GENUINE 84489150
Fits:
6 speed Manual trans.Pinion Gear Nutor 8 speed Automatic trans.Pinion Gear Nut
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This table covers the Differential Pinion nuts.

Differential Pinion Seal

Brand Part Number Markets Notes Buy
TIMKEN Popular Fits: 3.6L V6 Turbocharged 710536
🇺🇸 US 🇲🇽 MX
1.969 in. Shaft Size2.908 in. Bore
Fitment notes — TIMKEN 710536
1.969 in. Shaft Size2.908 in. Bore2.913 in. Outer Diam0.455 in. WidthFront
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GM GENUINE Fits: 3.6L V6 Turbocharged 87821841
🇺🇸 US 🇨🇦 CA
Sealing Material: Rubber
Fitment notes — GM GENUINE 87821841
Sealing Material: Rubber
SINGLE USE
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SKF Fits: 3.6L V6 Turbocharged 19280A
🇺🇸 US 🇲🇽 MX
Front
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TIMKEN Fits: 3.6L V6 Turbocharged SL260409
🇺🇸 US 🇲🇽 MX
Rear
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WJB / INMOTION PARTS Fits: 3.6L V6 Turbocharged WS19280A
🇺🇸 US 🇲🇽 MX
Front2.913 Bore Diameter
Fitment notes — WJB / INMOTION PARTS WS19280A
Front2.913 Bore Diameter0.453 Width1.929 Shaft Diameter2.919 Outside Diameter Seal
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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.

Differential Seal

Brand Part Number Markets Notes Buy
ELRING Fits: 3.6L V6 Turbocharged B18190
🇺🇸 US 🇲🇽 MX
Outer Diameter 2 [MM]: 84.4
Fitment notes — ELRING B18190
Outer Diameter 2 [MM]: 84.4
RearInlet
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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.

Drive Shaft

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.6L V6 Turbocharged 966461
🇺🇸 US 🇲🇽 MX
Length: 52.75"
Fitment notes — DORMAN 966461
Length: 52.75"
RearAutomatic trans.ID AA2G, AA3A, AAZT, AA5V
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DORMAN Fits: 3.6L V6 Turbocharged 986077
🇺🇸 US 🇲🇽 MX
Length: 53.25"
Fitment notes — DORMAN 986077
Length: 53.25"
RearAutomatic trans.ID No. AA2K
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GSP Fits: 3.6L V6 Turbocharged PS901892
🇺🇸 US 🇲🇽 MX
Rear2 Piece Shaft
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GSP Fits: 3.6L V6 Turbocharged PS902081
🇺🇸 US
RearManual trans.
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TOP NOTCH Fits: 3.6L V6 Turbocharged TN1724PS
🇺🇸 US 🇲🇽 MX
Rear2 Piece Shaft
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WJB / INMOTION PARTS Fits: 3.6L V6 Turbocharged WDS66461
🇺🇸 US 🇲🇽 MX
RearAutomatic trans.
Fitment notes — WJB / INMOTION PARTS WDS66461
RearAutomatic trans.ID AA2G, AA3A, AAZT, AA5V
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This table covers the driveshafts that carry torque from the transmission or transfer case.

Drive Shaft Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 11546698
🇺🇸 US 🇨🇦 CA
Fits FrontM12X1.75X64,62THD
Fitment notes — GM GENUINE 11546698
Fits:
FrontM12X1.75X64,62THD
or:
RearM12X1.75X64,62THD
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This table covers the Drive Shaft bolts.

Drive Shaft Center Support Bearing

Brand Part Number Markets Notes Buy
AAM Fits: 3.6L V6 Turbocharged 40071593
🇺🇸 US 🇲🇽 MX
Rear
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This table covers the Drive Shaft Center Support 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.

Drive Shaft End Yoke

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 24280422
🇺🇸 US 🇨🇦 CA
Rear Driveshaft at Transmission6 speed Manual trans.
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This table covers the Drive Shaft End yokes.

Drive Shaft Flange Yoke

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 24273505
🇺🇸 US 🇨🇦 CA
At Transmission8 speed Automatic trans.
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This table covers the Drive Shaft Flange yokes.

Drive Shaft Seal

Brand Part Number Markets Notes Buy
ELRING Fits: 3.6L V6 Turbocharged B17180
🇺🇸 US 🇲🇽 MX
Swirl Type: Alternating Twist
Fitment notes — ELRING B17180
Swirl Type: Alternating Twist
Flange Seal
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ELRING Fits: 3.6L V6 Turbocharged B18370
🇺🇸 US 🇲🇽 MX
Swirl Type: Right-hand Twist
Fitment notes — ELRING B18370
Swirl Type: Right-hand Twist
Transmission code: 8L90Flange Seal
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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.

Gear Oil

Dexron

Brand Part Number Markets Notes Buy
MOBIL Fits: 3.6L V6 Turbocharged 126411
🇺🇸 US 🇲🇽 MX
Dexron-VI ATF
Fitment notes — MOBIL 126411
Dexron-VI ATF
Rear DifferentialElectronic Limited Slip Differential Actuator
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Multi-Vehicle

Brand Part Number Markets Notes Buy
MOBIL Fits: 3.6L V6 Turbocharged 126505
🇺🇸 US 🇲🇽 MX
Multi-Vehicle ATF
Fitment notes — MOBIL 126505
Multi-Vehicle ATF
Rear DifferentialElectronic Limited Slip Differential Actuator
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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.

Transfer Case Main Shaft Pilot Bearing

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS Fits: 3.6L V6 Turbocharged WTA16
🇺🇸 US
Bearing & Race Set
Fitment notes — WJB / INMOTION PARTS WTA16
Bearing & Race Set
Manual trans.Tremec trans.TR6060 Transmission
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Standard Replacement

Brand Part Number Markets Notes Buy
NATIONAL Fits: 3.6L V6 Turbocharged A16
🇺🇸 US
Taper Bearing Set Includes Cup and Cone
Fitment notes — NATIONAL A16
Taper Bearing Set Includes Cup and Cone
Manual trans.Tremec trans.
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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.

Transfer Case Output Shaft Bearing

Brand Part Number Markets Notes Buy
BCA Fits: 3.6L V6 Turbocharged NB109
🇺🇸 US 🇲🇽 MX
Rearwith Borg Warner 4474 Transfer Case
Fitment notes — BCA NB109
Rearwith Borg Warner 4474 Transfer Casewith Full Time 4WDwith 1 Speed Transfer Case
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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.

Buying Drivetrain Parts for a 2019 Cadillac Ats

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 Differential Cover Gasket .

Frequently Asked Questions

How many drivetrain parts fit the 2019 Cadillac Ats?

Our catalog currently lists 100 drivetrain parts for the 2019 Cadillac Ats across 38 subcategories and 15 brands, covering all 3 engine options (2.0L L4 Turbocharged, 3.6L V6 and 3.6L V6 Turbocharged). Each part is matched to the engine(s) it fits.

Do drivetrain parts differ between 2019 Cadillac Ats 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 2019 Cadillac Ats?

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 2019 Cadillac Ats 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 2019 Cadillac Ats?

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 2019 Cadillac Ats

Drivetrain Parts for Other Cadillac Ats 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.