This page lists 38 drivetrain parts for the 2026 Buick Envision, across 23 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2026 Buick Envision, 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 (5 parts) and CV Joint Boot Band (2 parts). The other 20 part types cover the remaining 24 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2026 Buick Envision.
The most listed brands for 2026 Buick Envision drivetrain parts are GM GENUINE (25 parts), VALVOLINE (10 parts) and ACDELCO (2 parts), plus 1 more brand.
3 parts on this 2026 Buick Envision page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VALVOLINE VV975 (Gear Oil) and VALVOLINE VV820 (Transfer Case Fluid). Click any part number to see every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 291363 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | 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.
This group shows a single part: ACDELCO 291363.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84975182 | 🇺🇸 US 🇨🇦 CA | Front Left | 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.
This group shows a single part: GM GENUINE 84975182.
CV Joint Boot Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 42941217 | 🇺🇸 US 🇨🇦 CA | Front Outboard Outer | View on Amazon |
| GM GENUINE | 42941224 | 🇺🇸 US 🇨🇦 CA | Front Inboard Outer | View on Amazon |
This table covers the bands that clamp a CV boot to the joint.
GM GENUINE supplies both parts for the 2026 Buick Envision.
Listed part numbers: GM GENUINE 42941217 and GM GENUINE 42941224.
CV Joint Lock Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 90121202 | 🇺🇸 US 🇨🇦 CA | Front InnerSnap Ring Circlip | View on Amazon |
This table covers the CV Joint Lock rings.
One part is listed for the 2026 Buick Envision — GM GENUINE 90121202.
Differential Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24063329 | 🇺🇸 US 🇨🇦 CA | FrontADI Material | View on Amazon |
This table covers the carriers that hold the differential gears in the axle.
This group shows a single part: GM GENUINE 24063329.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237378 | 🇺🇸 US 🇨🇦 CA | FrontRatio Transaxle Final Drive 3.47 | View on Amazon |
This table covers the bearings and races that support the differential carrier.
This group shows a single part: GM GENUINE 24237378.
Differential Carrier Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11589280 | 🇺🇸 US 🇨🇦 CA | SINGLE USEM12X1.75X95.9 | View on Amazon |
This table covers the Differential Carrier bolts.
One part is listed for the 2026 Buick Envision — GM GENUINE 11589280.
Differential Carrier Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84905394 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| GM GENUINE | 84929903 | 🇺🇸 US 🇨🇦 CA | F | 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 2026 Buick Envision come from GM GENUINE.
Listed part numbers: GM GENUINE 84905394 and GM GENUINE 84929903.
Differential Carrier Fluid Baffle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24298737 | 🇺🇸 US 🇨🇦 CA | Ratio Transaxle Final Drive 3.47Part of Transmission Case | View on Amazon |
| GM GENUINE | 24298738 | 🇺🇸 US 🇨🇦 CA | Ratio Transaxle Final Drive 3.47Plastic | View on Amazon |
This table covers the baffles that control oil in the differential carrier.
2 Differential Carrier Fluid Baffle parts for the 2026 Buick Envision come from GM GENUINE.
This group includes GM GENUINE 24298737 and GM GENUINE 24298738.
Differential Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85850298 | 🇺🇸 US 🇨🇦 CA | PROGRAMMING REQUIREDLABELED 85850298,85850297 | View on Amazon |
This table covers the Differential control modules.
One part is listed for the 2026 Buick Envision — GM GENUINE 85850298.
Differential Cover Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23234990 | 🇺🇸 US 🇨🇦 CA | 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 2026 Buick Envision — 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 | RearM20X1.5X16 | View on Amazon |
This table covers the Differential Fill drain plugs.
2 Differential Fill / Drain Plug parts for the 2026 Buick Envision come from GM GENUINE.
This group includes GM GENUINE 19256069 and GM GENUINE 19256068.
Differential Oil Slinger
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23269749 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the slingers that keep gear oil off the pinion seal.
This group shows a single part: GM GENUINE 23269749.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84524340 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | 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.
This group shows a single part: GM GENUINE 84524340.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24069069 | 🇺🇸 US 🇨🇦 CA | FrontRatio Transaxle Final Drive 3.47 | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
One part is listed for the 2026 Buick Envision — GM GENUINE 24069069.
Differential Ring Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24298251 | 🇺🇸 US 🇨🇦 CA | FrontRatio Transaxle Final Drive 3.47 | View on Amazon |
This table covers the Differential Ring gears.
One part is listed for the 2026 Buick Envision — GM GENUINE 24298251.
Drive Shaft Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23432713 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | View on Amazon |
This table covers the Drive Shaft retainers.
One part is listed for the 2026 Buick Envision — 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 2026 Buick Envision come from 2 brands — VALVOLINE and ACDELCO. The "Popular" part is VALVOLINE VV975.
Listed part numbers: VALVOLINE VV975, ACDELCO 105050 and VALVOLINE 889785, plus the other parts above.
Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24231157 | 🇺🇸 US 🇨🇦 CA | FrontRatio Transaxle Final Drive 3.47 | View on Amazon |
This table covers the Retaining rings.
This group shows a single part: GM GENUINE 24231157.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV820 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Daily Protection SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| IDEMITSU | 30305075750 | 🇺🇸 US | 75W90 Gear Oil1 Quart | 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 |
| VALVOLINE | VV822 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | 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.
7 Transfer Case Fluid parts for the 2026 Buick Envision come from 2 brands — VALVOLINE and IDEMITSU. The "Popular" part is VALVOLINE VV820.
Part numbers include VALVOLINE VV820, VALVOLINE VV975 and IDEMITSU 30305075750, among others listed above.
Transfer Case Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84648369 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transfer Case Intermediate shafts.
One part is listed for the 2026 Buick Envision — GM GENUINE 84648369.
Transfer Case Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84605103 | 🇺🇸 US 🇨🇦 CA | Length: 2.1 In | View on Amazon |
| GM GENUINE | 85795664 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transfer Case Oil drain plugs.
2 Transfer Case Oil Drain Plug parts for the 2026 Buick Envision come from GM GENUINE.
Part numbers include GM GENUINE 84605103 and GM GENUINE 85795664.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 85732461 | 🇺🇸 US 🇨🇦 CA | SINGLE USE | 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.
This group shows a single part: GM GENUINE 85732461.
Buying Drivetrain Parts for a 2026 Buick Envision
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 2.0L 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 Envision?
Our catalog currently lists 38 drivetrain parts for the 2026 Buick Envision across 23 subcategories and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2026 Buick Envision?
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 Envision 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 Envision?
Every part on this page is matched to the 2.0L 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 Envision
Drivetrain Parts for Other Buick Envision Years
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