The 2026 Buick Enclave has 46 drivetrain parts with verified fitment on this page — 23 part types and 2 brands, covering the 2.5L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2026 Buick Enclave, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Transfer Case Fluid (7 parts), Gear Oil (6 parts) and CV Joint Boot Band (5 parts). The other 20 part types cover the remaining 28 parts.
The 2026 Buick Enclave came with a single engine, the 2.5L L4 Turbocharged, and every part is verified against it.
2 brands supply drivetrain parts for the 2026 Buick Enclave, led by GM GENUINE (33 parts) and VALVOLINE (13 parts).
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Buick Enclave. 4 parts have it, including VALVOLINE VV975 (Gear Oil) and VALVOLINE VV975 (Transfer Case Fluid). Each part number opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42941174 | 🇺🇸 US 🇨🇦 CA | Front Right4WD | View on Amazon |
| GM GENUINE | 42941173 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GM GENUINE | 84889401 | 🇺🇸 US 🇨🇦 CA | Rear Left4WD | View on Amazon |
| GM GENUINE | 84889402 | 🇺🇸 US 🇨🇦 CA | Rear Right4WD | 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.
GM GENUINE supplies the 4 CV Axle parts for the 2026 Buick Enclave.
This group includes GM GENUINE 42941174, GM GENUINE 42941173 and GM GENUINE 84889401 and the remaining parts above.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11611752 | 🇺🇸 US 🇨🇦 CA | Rear Inboard Inner4WD | View on Amazon |
| GM GENUINE | 84167063 | 🇺🇸 US 🇨🇦 CA | Fits Front InnerSINGLE USE | View on Amazon |
| GM GENUINE | 84167071 | 🇺🇸 US 🇨🇦 CA | Fits Front Outboard Outer4WD | View on Amazon |
| GM GENUINE | 84207707 | 🇺🇸 US 🇨🇦 CA | Fits Rear Outboard InnerCLAMP | View on Amazon |
| GM GENUINE | 84878527 | 🇺🇸 US 🇨🇦 CA | Rear Inboard Innerwith Non-Serviceable CV Joints | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
5 CV Joint Boot Band parts for the 2026 Buick Enclave come from GM GENUINE.
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 | 90223082 | 🇺🇸 US 🇨🇦 CA | Front InnerRETAINING | View on Amazon |
This table covers the CV Joint Lock rings.
This group shows a single part: GM GENUINE 90223082.
Differential Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24289900 | 🇺🇸 US 🇨🇦 CA | Front4WD | View on Amazon |
| GM GENUINE | 24289902 | 🇺🇸 US 🇨🇦 CA | FrontFWD | View on Amazon |
This table covers the carriers that hold the differential gears in the axle.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
Listed part numbers: GM GENUINE 24289900 and GM GENUINE 24289902.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237378 | 🇺🇸 US 🇨🇦 CA | Front4WD | View on Amazon |
This table covers the bearings and races that support the differential carrier.
One part is listed for the 2026 Buick Enclave — GM GENUINE 24237378.
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.
This group shows a single part: GM GENUINE 11609598.
Differential Carrier Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84905394 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| GM GENUINE | 84417056 | 🇺🇸 US 🇨🇦 CA | 4WDFront | 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.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
Part numbers include GM GENUINE 84905394 and GM GENUINE 84417056.
Differential Carrier Fluid Baffle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24298740 | 🇺🇸 US 🇨🇦 CA | Stop/Start Engine Control System (KL9)Bolts To Case Assembly Side | View on Amazon |
| GM GENUINE | 24298741 | 🇺🇸 US 🇨🇦 CA | Stop/Start Engine Control System (KL9)Bolts to Torque Converter Housing Side | View on Amazon |
This table covers the baffles that control oil in the differential carrier.
GM GENUINE supplies both parts for the 2026 Buick Enclave.
Listed part numbers: GM GENUINE 24298740 and GM GENUINE 24298741.
Differential Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85850298 | 🇺🇸 US 🇨🇦 CA | 4WDPROGRAMMING REQUIRED | View on Amazon |
This table covers the Differential control modules.
This group shows a single part: GM GENUINE 85850298.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19256068 | 🇺🇸 US 🇨🇦 CA | Fits Rear Differential4WD | View on Amazon |
This table covers the Differential Fill drain plugs.
One part is listed for the 2026 Buick Enclave — 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.
One part is listed for the 2026 Buick Enclave — GM GENUINE 23276833.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 87845955 | 🇺🇸 US 🇨🇦 CA | Single UseGrommet | 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.
One part is listed for the 2026 Buick Enclave — GM GENUINE 87845955.
Differential Ring Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24298250 | 🇺🇸 US 🇨🇦 CA | FrontStop/Start Engine Control System (KL9) | View on Amazon |
This table covers the Differential Ring gears.
This group shows a single part: GM GENUINE 24298250.
Drive Shaft Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23432713 | 🇺🇸 US 🇨🇦 CA | 4WD | View on Amazon |
This table covers the Drive Shaft retainers.
This group shows a single part: 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 |
| VALVOLINE Popular | 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 |
| VALVOLINE | 819195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 904644 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | 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.
VALVOLINE supplies the 6 Gear Oil parts for the 2026 Buick Enclave. VALVOLINE VV975 carries the "Popular" badge.
Part numbers include VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, among others listed above.
Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24271417 | 🇺🇸 US 🇨🇦 CA | FrontDifferential Carrier Internal Gear Retaining Ring | View on Amazon |
This table covers the Retaining rings.
One part is listed for the 2026 Buick Enclave — GM GENUINE 24271417.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular | 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 |
| VALVOLINE | 819195 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 902146 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE | 904644 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | 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.
VALVOLINE supplies the 7 Transfer Case Fluid parts for the 2026 Buick Enclave. VALVOLINE VV975 carries the "Popular" badge.
Part numbers include VALVOLINE VV975, VALVOLINE 889785 and VALVOLINE 882505, among others listed above.
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.
2 Transfer Case Housing Extension Seal parts for the 2026 Buick Enclave come from GM GENUINE.
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.
2 Transfer Case Input Shaft Seal parts for the 2026 Buick Enclave come from GM GENUINE.
Part numbers include GM GENUINE 84823713 and GM GENUINE 85634029.
Transfer Case Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84392864 | 🇺🇸 US 🇨🇦 CA | 4WD | View on Amazon |
This table covers the Transfer Case Intermediate shafts.
This group shows a single part: GM GENUINE 84392864.
Transfer Case Locating Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84392855 | 🇺🇸 US 🇨🇦 CA | 4WDPin-5 Diameter X 10 Long | View on Amazon |
This table covers the Transfer Case Locating pins.
One part is listed for the 2026 Buick Enclave — GM GENUINE 84392855.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| 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.
This group shows a single part: 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.
One part is listed for the 2026 Buick Enclave — GM GENUINE 19256069.
Buying Drivetrain Parts for a 2026 Buick Enclave
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 2.5L L4 Turbocharged 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: Transfer Case Fluid and Gear Oil .
Frequently Asked Questions
How many drivetrain parts fit the 2026 Buick Enclave?
Our catalog currently lists 46 drivetrain parts for the 2026 Buick Enclave across 23 subcategories and 2 brands, covering the 2.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2026 Buick Enclave?
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 2026 Buick Enclave 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 2026 Buick Enclave?
Every part on this page is matched to the 2.5L L4 Turbocharged 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 2026 Buick Enclave
Drivetrain Parts for Other Buick Enclave 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.