64 Drivetrain parts are listed for the 2018 Cadillac XT5, in 30 part types, covering the 3.6L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Cadillac XT5, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 24 parts of the 64 listed are CV Axle (15 parts), Gear Oil (5 parts) and CV Joint Boot Band (4 parts). The other 27 part types cover the remaining 40 parts.
Every part on this page is matched to the 3.6L V6 — the only engine offered in the 2018 Cadillac XT5.
The most listed brands for 2018 Cadillac XT5 drivetrain parts are GM GENUINE (39 parts), ELRING (6 parts) and TRAKMOTIVE (4 parts), plus 7 more brands.
4 parts on this 2018 Cadillac XT5 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 85660317 (CV Axle) and VALVOLINE VV975 (Gear Oil). Click any part number to see every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 291347 | 🇺🇸 US 🇨🇦 CA | Rear4WD | View on Amazon |
| TIMKEN | SL260454 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Axle Shaft Seal parts for the 2018 Cadillac XT5 come from 2 brands — GM GENUINE and TIMKEN.
Part numbers include GM GENUINE 291347 and TIMKEN SL260454.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 85660317 | 🇺🇸 US 🇨🇦 CA | Fits Front LeftExcept Middle East (MAM), Korea (MAW), Israel (MBI) | View on Amazon |
| TOP NOTCH Popular | TN20093 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right4WD | View on Amazon |
| TRAKMOTIVE Popular | GM8472 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
| GM GENUINE | 85150638 | 🇺🇸 US 🇨🇦 CA | Rear Left4WD | View on Amazon |
| GM GENUINE | 85150636 | 🇺🇸 US 🇨🇦 CA | Rear Right4WD | View on Amazon |
| GM GENUINE | 85738623 | 🇺🇸 US 🇨🇦 CA | Axle Nut Included: YES | View on Amazon |
| GM GENUINE | 85535775 | 🇺🇸 US 🇨🇦 CA | Front RightFWD | View on Amazon |
| GSP | NCV17014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| GSP | NCV17015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear RightBase Model or Luxury or Platinum | View on Amazon |
| GSP | NCV10138 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right4WD | View on Amazon |
| TOP NOTCH | TN20363 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TOP NOTCH | TN20364 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear RightBase Model or Luxury or Platinum | View on Amazon |
| TRAKMOTIVE | GM8473 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left4WD | View on Amazon |
| TRAKMOTIVE | GM8471 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right4WD | View on Amazon |
| TRAKMOTIVE | GM86007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | 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.
15 CV Axle parts for the 2018 Cadillac XT5 come from 4 brands — GM GENUINE, TRAKMOTIVE, TOP NOTCH and 1 other brand. The "Popular" part is GM GENUINE 85660317.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11611752 | 🇺🇸 US 🇨🇦 CA | Fits Rear Inboard Inner4WD | View on Amazon |
| GM GENUINE | 84167063 | 🇺🇸 US 🇨🇦 CA | Fits Front InnerSingle Use | View on Amazon |
| GM GENUINE | 84167071 | 🇺🇸 US 🇨🇦 CA | Front Outboard OuterLARGE CLAMP | View on Amazon |
| GM GENUINE | 84207707 | 🇺🇸 US 🇨🇦 CA | Fits Rear Outboard Inner4WD | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
GM GENUINE supplies the 4 CV Joint Boot Band parts for the 2018 Cadillac XT5.
Part numbers include GM GENUINE 11611752, GM GENUINE 84167063 and GM GENUINE 84167071, among others listed above.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 22727024 | 🇺🇸 US 🇨🇦 CA | Front Inner28.8X2.5X29.5 | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 22727024.
Differential Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24276491 | 🇺🇸 US 🇨🇦 CA | FWD3.20R(FM9) | View on Amazon |
| GM GENUINE | 24281433 | 🇺🇸 US 🇨🇦 CA | 4WD3.20R(FM9) | View on Amazon |
This table covers the carriers that hold the differential gears in the axle.
2 Differential Carrier parts for the 2018 Cadillac XT5 come from GM GENUINE.
Part numbers include GM GENUINE 24276491 and GM GENUINE 24281433.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11609598 | 🇺🇸 US 🇨🇦 CA | 4WDM12X1.75X80.9 | View on Amazon |
This table covers the Differential Carrier bolts.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 11609598.
Differential Carrier Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84905394 | 🇺🇸 US 🇨🇦 CA | Rear4WD | View on Amazon |
| GM GENUINE | 84417056 | 🇺🇸 US 🇨🇦 CA | Front4WD | 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 2018 Cadillac XT5 come from GM GENUINE.
Listed part numbers: GM GENUINE 84905394 and GM GENUINE 84417056.
Differential Carrier Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24281443 | 🇺🇸 US 🇨🇦 CA | 3.20R(FM9)1.40MM | View on Amazon |
This table covers the Differential Carrier shims.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 24281443.
Differential Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85001638 | 🇺🇸 US 🇨🇦 CA | Programming Required: YES | View on Amazon |
This table covers the Differential control modules.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 85001638.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | B18350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
This group shows a single part: ELRING B18350.
Differential Cover Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23234990 | 🇺🇸 US 🇨🇦 CA | 4WDElectronic Twin Clutch Positraction Axle (G99) | View on Amazon |
This table covers the Differential Cover 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.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 23234990.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19256069 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| GM GENUINE | 19256068 | 🇺🇸 US 🇨🇦 CA | Rear4WD | View on Amazon |
This table covers the Differential Fill drain plugs.
2 Differential Fill / Drain Plug parts for the 2018 Cadillac XT5 come from GM GENUINE.
Part numbers include GM GENUINE 19256069 and GM GENUINE 19256068.
Differential Oil Slinger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23276833 | 🇺🇸 US 🇨🇦 CA | 4WDSLINGER ON TORQUE TUBE | View on Amazon |
This table covers the slingers that keep gear oil off the pinion seal.
This group shows a single part: GM GENUINE 23276833.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 87845955 | 🇺🇸 US 🇨🇦 CA | 4WDGrommet | View on Amazon |
| NATIONAL | 711063 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outer4WD | View on Amazon |
| TIMKEN | SL260561 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| WJB / INMOTION PARTS | WS711063 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Outer4WD | 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.
4 Differential Pinion Seal parts for the 2018 Cadillac XT5 come from 4 brands — GM GENUINE, NATIONAL, TIMKEN and 1 other brand.
Part numbers include GM GENUINE 87845955, NATIONAL 711063 and TIMKEN SL260561, among others listed above.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | B18240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: HNBR (hydrogenated nitrile butadiene rubber) | View on Amazon |
| ELRING | B18360 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: FPM (fluoride rubber)Radial Shaft Seal Design: BS2 BD | View on Amazon |
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.
ELRING supplies both parts for the 2018 Cadillac XT5.
This group includes ELRING B18240 and ELRING B18360.
Drive Shaft Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23432713 | 🇺🇸 US 🇨🇦 CA | Fits 4WD | View on Amazon |
This table covers the Drive Shaft retainers.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 23432713.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| ACDELCO | 105050 | 🇺🇸 US | Pentosin CHF-11S33.8 OZ | View on Amazon |
| VALVOLINE | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | 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.
5 Gear Oil parts for the 2018 Cadillac XT5 come from 2 brands — VALVOLINE and ACDELCO. The "Popular" part is VALVOLINE VV975.
Part numbers include VALVOLINE VV975, ACDELCO 105050 and VALVOLINE 889785, among others listed above.
Torque Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85686599 | 🇺🇸 US 🇨🇦 CA | 4WDElectronic Twin Clutch Positraction Axle (G99) | View on Amazon |
This table covers the Torque tubes.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 85686599.
Transfer Case Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84108839 | 🇺🇸 US 🇨🇦 CA | 4WDADAPTER OPENING OF 73.08MM | View on Amazon |
This table covers the Transfer Case adapters.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 84108839.
Transfer Case Adapter Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84111116 | 🇺🇸 US 🇨🇦 CA | 4WD | View on Amazon |
This table covers the seals at the Transfer Case Adapter. 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 84111116.
Transfer Case Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11603660 | 🇺🇸 US 🇨🇦 CA | 4WDM6X1X28 | View on Amazon |
This table covers the Transfer Case bolts.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 11603660.
Transfer Case Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19132948 | 🇺🇸 US 🇨🇦 CA | Rear, Output | View on Amazon |
This table covers the Transfer Case flanges.
One part is listed for the 2018 Cadillac XT5 — GM GENUINE 19132948.
Transfer Case Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | B18310 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WD | View on Amazon |
| ELRING | B18330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WD | View on Amazon |
| ELRING | B18340 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear propshaft at transfer case | View on Amazon |
This table covers the gaskets that seal the Transfer Case. 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.
ELRING supplies the 3 Transfer Case Gasket parts for the 2018 Cadillac XT5.
Listed part numbers: ELRING B18310, ELRING B18330 and ELRING B18340.
Transfer Case Housing Extension Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85136882 | 🇺🇸 US 🇨🇦 CA | Inner4WD | View on Amazon |
| GM GENUINE | 85136884 | 🇺🇸 US 🇨🇦 CA | Outer4WD | View on Amazon |
This table covers the seals at the Transfer Case Housing Extension. 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.
GM GENUINE supplies both parts for the 2018 Cadillac XT5.
Part numbers include GM GENUINE 85136882 and GM GENUINE 85136884.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84823713 | 🇺🇸 US 🇨🇦 CA | 4WDINPUT SHAFT SEAL KIT | View on Amazon |
| GM GENUINE | 85634029 | 🇺🇸 US 🇨🇦 CA | 4WDIDS SEAL KIT | 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.
GM GENUINE supplies both parts for the 2018 Cadillac XT5.
Listed part numbers: GM GENUINE 84823713 and GM GENUINE 85634029.
Transfer Case Intermediate Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19132944 | 🇺🇸 US 🇨🇦 CA | 4WD | View on Amazon |
This table covers the seals at the Transfer Case 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.
This group shows a single part: GM GENUINE 19132944.
Transfer Case Locating Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84392855 | 🇺🇸 US 🇨🇦 CA | Pin-5 Diameter X 10 Long | View on Amazon |
This table covers the Transfer Case Locating pins.
This group shows a single part: GM GENUINE 84392855.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 86805252 | 🇺🇸 US 🇨🇦 CA | 4WDSHORT MOTOR HOUSING | View on Amazon |
| GM GENUINE | 86805253 | 🇺🇸 US 🇨🇦 CA | 4WDLong Motor 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.
GM GENUINE supplies both parts for the 2018 Cadillac XT5.
Listed part numbers: GM GENUINE 86805252 and GM GENUINE 86805253.
Transfer Case Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19256069 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Transfer Case Oil drain plugs.
This group shows a single part: GM GENUINE 19256069.
Transfer Case Output Shaft Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 89047861 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transfer Case Output Shaft nuts.
This group shows a single part: GM GENUINE 89047861.
Buying Drivetrain Parts for a 2018 Cadillac XT5
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 3.6L V6 engine — every part on this page is matched to it.
- 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 Gear Oil .
Frequently Asked Questions
How many drivetrain parts fit the 2018 Cadillac XT5?
Our catalog currently lists 64 drivetrain parts for the 2018 Cadillac XT5 across 30 subcategories and 10 brands, covering the 3.6L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2018 Cadillac XT5?
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 2018 Cadillac XT5 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 2018 Cadillac XT5?
Every part on this page is matched to the 3.6L V6 engine. 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 2018 Cadillac XT5
Drivetrain Parts for Other Cadillac XT5 Years
Switch vehicle or jump to a subcategory
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.