2018 Buick Enclave Drivetrain Parts

Engine:
3.6L V6

The 2018 Buick Enclave has 84 drivetrain parts with verified fitment on this page — 32 part types and 10 brands, covering the 3.6L V6 engine. Each part includes a manufacturer part number and application notes.

The drivetrain system on the 2018 Buick Enclave moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (20 parts), Transfer Case Fluid (7 parts) and Axle Shaft Seal (5 parts). The other 29 part types cover the remaining 52 parts.

Axle Shaft Seal

Brand Part Number Markets Notes Buy
SKF Popular 13544A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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GM GENUINE 291347
🇺🇸 US 🇨🇦 CA
Fits Rear Right4WD
Fitment notes — GM GENUINE 291347
Fits:
Rear Right4WDEssenceUse In Original Carrier-Differential Only.Exc. Electronic Twin Clutch Positraction Axle (G99)3 Lip Seal On Clutch Right Side
or:
Rear4WDAvenir or PremiumUse In Original Carrier-Differential Only.Electronic Twin Clutch Positraction Axle (G99)3 Lip Seal On Clutch Right Side
View on
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GM GENUINE 23276834
🇺🇸 US 🇨🇦 CA
Rear Left4WD
Fitment notes — GM GENUINE 23276834
Rear Left4WDEssenceUnitized SealExc. Electronic Twin Clutch Positraction Axle (G99)
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GM GENUINE 291342
🇺🇸 US 🇨🇦 CA
Rear4WD
Fitment notes — GM GENUINE 291342
Rear4WDEssenceNON-CLUTCH SIDEExc. Electronic Twin Clutch Positraction Axle (G99)55mm Diameter
View on
Amazon
TIMKEN SL260454
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits RearActive Differential
Fitment notes — TIMKEN SL260454
Fits:
RearActive Differential
or:
Rear RightExc. Active Differential
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.

CV Axle

Brand Part Number Markets Notes Buy
GM GENUINE Popular 85660319
🇺🇸 US 🇨🇦 CA
Front Left
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TOP NOTCH Popular TN20070
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right4WD
View on
Amazon
TOP NOTCH Popular TN20069
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
View on
Amazon
TOP NOTCH Popular TN20071
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightFWD
View on
Amazon
APWI GM8544
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right4WD
View on
Amazon
APWI GM8543
🇺🇸 US
Front Left
View on
Amazon
GM GENUINE 86797911
🇺🇸 US 🇨🇦 CA
Front RightFWD
View on
Amazon
GSP NCV16016
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftAvenir or Premium
View on
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GSP NCV10224
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftEssence
View on
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GSP NCV16017
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
View on
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GSP NCV16012
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right4WD
View on
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GSP NCV16011
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
View on
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GSP NCV16014
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightFWD
View on
Amazon
TOP NOTCH TN20359
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
View on
Amazon
TOP NOTCH TN20357
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftEssence
View on
Amazon
TOP NOTCH TN20358
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear LeftAvenir or Premium
View on
Amazon
TRAKMOTIVE GM86063
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Leftwithout Electronic Locking Differential
View on
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TRAKMOTIVE GM86061
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
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TRAKMOTIVE GM86047
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Leftwith Electronic Locking Differential (OPT G99)
View on
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TRAKMOTIVE GM8457
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
AAR Joint Design
Fitment notes — TRAKMOTIVE GM8457
AAR Joint Design
Front RightFWD
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.

CV Intermediate Shaft

Brand Part Number Markets Notes Buy
GSP NEX16001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightFWD
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TOP NOTCH TN20079IS
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightFWD
View on
Amazon

This table covers the CV Intermediate shafts.

CV Joint Boot Band

Brand Part Number Markets Notes Buy
GM GENUINE 11611752
🇺🇸 US 🇨🇦 CA
Rear Inboard Inner4WD
Fitment notes — GM GENUINE 11611752
Rear Inboard Inner4WDCrimpStainless Steel (with Serviceable CV Joints)85.1 ID
View on
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GM GENUINE 84167063
🇺🇸 US 🇨🇦 CA
Front InnerSINGLE USE
Fitment notes — GM GENUINE 84167063
Front InnerSINGLE USELARGE CLAMP
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GM GENUINE 84167071
🇺🇸 US 🇨🇦 CA
Front Outboard OuterLARGE CLAMP
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GM GENUINE 84207707
🇺🇸 US 🇨🇦 CA
Fits Rear Outboard InnerCLAMP
Fitment notes — GM GENUINE 84207707
Fits:
Rear Outboard InnerCLAMPCRIMP, 28 DIAMETER X 10MM WIDE
or:
Rear Inboard Outer4WDCLAMPCRIMP, 28 DIAMETER X 10MM WIDE
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Amazon

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 90223082
🇺🇸 US 🇨🇦 CA
Front InnerRETAINING
Fitment notes — GM GENUINE 90223082
Front InnerRETAINING30.6 FREE OD,23.2 ID
View on
Amazon

This table covers the CV Joint Lock rings.

Differential Carrier

Brand Part Number Markets Notes Buy
GM GENUINE 24289900
🇺🇸 US 🇨🇦 CA
Front4WD
Fitment notes — GM GENUINE 24289900
Front4WD3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
View on
Amazon
GM GENUINE 24289902
🇺🇸 US 🇨🇦 CA
FrontFWD
Fitment notes — GM GENUINE 24289902
FrontFWD3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
View on
Amazon

This table covers the carriers that hold the differential gears in the axle.

Differential Carrier Bearing / Race

Brand Part Number Markets Notes Buy
GM GENUINE 24237378
🇺🇸 US 🇨🇦 CA
Front68mm O.D.
Fitment notes — GM GENUINE 24237378
Front68mm O.D.3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
View on
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This table covers the bearings and races that support the differential carrier.

Differential Carrier Bushing

Brand Part Number Markets Notes Buy
GM GENUINE 84905394
🇺🇸 US 🇨🇦 CA
Rear4WD
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GM GENUINE 84417056
🇺🇸 US 🇨🇦 CA
Fits Front4WD
Fitment notes — GM GENUINE 84417056
Fits:
Front4WDExcept Electronic Twin Clutch Positraction Axle (G99)
or:
Front4WDAvenir or PremiumElectronic Twin Clutch Positraction Axle (G99)
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.

Differential Carrier Fluid Baffle

Brand Part Number Markets Notes Buy
GM GENUINE 24298740
🇺🇸 US 🇨🇦 CA
Bolts To Case Assembly Side3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
View on
Amazon
GM GENUINE 24298741
🇺🇸 US 🇨🇦 CA
Bolts to Torque Converter Housing Side3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
View on
Amazon

This table covers the baffles that control oil in the differential carrier.

Differential Control Module

Brand Part Number Markets Notes Buy
GM GENUINE 85001638
🇺🇸 US 🇨🇦 CA
Programming Required: YES
Fitment notes — GM GENUINE 85001638
Programming Required: YES
Fits:
4WDAvenir or PremiumElectronic Twin Clutch Positraction Axle (G99)
or:
4WDEssenceExcept Electronic Twin Clutch Positraction Axle (G99)
View on
Amazon

This table covers the Differential control modules.

Differential Cover Plug

Brand Part Number Markets Notes Buy
GM GENUINE 23234990
🇺🇸 US 🇨🇦 CA
4WDEssence
Fitment notes — GM GENUINE 23234990
4WDEssenceExcept Electronic 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.

Differential Fill / Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE 19256069
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 19256069
Includes Seal
Fits:
Rear Differential4WDAvenir or PremiumM22Electronic Twin Clutch Positraction Axle (G99)
or:
Rear Differential4WDEssenceM22Except Electronic Twin Clutch Positraction Axle (G99)
View on
Amazon
GM GENUINE 19256068
🇺🇸 US 🇨🇦 CA
Fits Rear4WD
Fitment notes — GM GENUINE 19256068
Fits:
Rear4WDAvenir or PremiumM20X1.5X16Electronic Twin Clutch Positraction Axle (G99)
or:
Rear4WDEssenceM20X1.5X16Except Electronic Twin Clutch Positraction Axle (G99)
View on
Amazon

This table covers the Differential Fill drain plugs.

Differential Oil Slinger

Brand Part Number Markets Notes Buy
GM GENUINE 23276833
🇺🇸 US 🇨🇦 CA
Fits 4WDAvenir or Premium
Fitment notes — GM GENUINE 23276833
Fits:
4WDAvenir or PremiumSLINGER ON TORQUE TUBEElectronic Twin Clutch Positraction Axle (G99)
or:
4WDEssenceSlinger On Torque TubeExcept Electronic Twin Clutch Positraction Axle (G99)
View on
Amazon

This table covers the slingers that keep gear oil off the pinion seal.

Differential Pinion Seal

Brand Part Number Markets Notes Buy
GM GENUINE 87845955
🇺🇸 US 🇨🇦 CA
Fits 4WDEssence
Fitment notes — GM GENUINE 87845955
Fits:
4WDEssenceGrommetExcept Electronic Twin Clutch Positraction Axle (G99)
or:
4WDAvenir or PremiumGrommetElectronic Twin Clutch Positraction Axle (G99)
View on
Amazon
TIMKEN SL260561
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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.

Differential Ring Gear

Brand Part Number Markets Notes Buy
GM GENUINE 24298250
🇺🇸 US 🇨🇦 CA
Front3.49 Ratio (FXC), Stop/Start Engine Control System (KL9)
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This table covers the Differential Ring gears.

Drive Shaft Retainer

Brand Part Number Markets Notes Buy
GM GENUINE 23432713
🇺🇸 US 🇨🇦 CA
Fits 4WD
Fitment notes — GM GENUINE 23432713
Fits:
4WD
or:
SINGLE USE
View on
Amazon

This table covers the Drive Shaft retainers.

Gear Oil

Brand Part Number Markets Notes Buy
VALVOLINE Popular VV975
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE VV975
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Rear Differential4WD
View on
Amazon
ACDELCO 105050
🇺🇸 US
Pentosin CHF-11S33.8 OZ
Fitment notes — ACDELCO 105050
Pentosin CHF-11S33.8 OZ
4WD
View on
Amazon
VALVOLINE 889785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 889785
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Rear Differential4WD
View on
Amazon
VALVOLINE 882505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Fitment notes — VALVOLINE 882505
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Rear Differential4WD
View on
Amazon
VALVOLINE 723856
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Fitment notes — VALVOLINE 723856
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Rear Differential4WD
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.

Retaining Ring

Brand Part Number Markets Notes Buy
GM GENUINE 24271417
🇺🇸 US 🇨🇦 CA
Front3.49 Ratio (FXC),Stop/Start Engine Control System (KL9)
Fitment notes — GM GENUINE 24271417
Front3.49 Ratio (FXC),Stop/Start Engine Control System (KL9)Differential Carrier Internal Gear Retaining Ring
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Amazon

This table covers the Retaining rings.

Transfer Case Bolt

Brand Part Number Markets Notes Buy
ELRING 795390
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Housing Bolt
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GM GENUINE 89058602
🇺🇸 US 🇨🇦 CA
4WDM8X1.25X30,24 Thread
Fitment notes — GM GENUINE 89058602
4WDM8X1.25X30,24 ThreadFlange Head17ODHousing Bolt
View on
Amazon

This table covers the Transfer Case bolts.

Transfer Case Flange

Brand Part Number Markets Notes Buy
GM GENUINE 19132948
🇺🇸 US 🇨🇦 CA
Rear, Output4WD
View on
Amazon

This table covers the Transfer Case flanges.

Transfer Case Fluid

Brand Part Number Markets Notes Buy
VALVOLINE Popular VV975
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE VV975
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart
4WD
View on
Amazon
VALVOLINE Popular 889785
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 889785
Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
4WD
View on
Amazon
VALVOLINE 882505
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
Fitment notes — VALVOLINE 882505
Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon
4WD
View on
Amazon
VALVOLINE 723856
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
Fitment notes — VALVOLINE 723856
Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon
4WD
View on
Amazon
VALVOLINE 819195
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart
Fitment notes — VALVOLINE 819195
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart
4WD
View on
Amazon
VALVOLINE 902146
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 902146
Extended Protection Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
4WD
View on
Amazon
VALVOLINE 904644
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
Fitment notes — VALVOLINE 904644
VPS Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill
4WD
View on
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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.

Transfer Case Gasket

Brand Part Number Markets Notes Buy
GM GENUINE 19132946
🇺🇸 US 🇨🇦 CA
200MM OD/193MM ID
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GM GENUINE 19178699
🇺🇸 US 🇨🇦 CA
4WD214MM Outside Diameter/208MM Inside Diameter
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.

Transfer Case Housing Extension Seal

Brand Part Number Markets Notes Buy
GM GENUINE 19208892
🇺🇸 US 🇨🇦 CA
Rear4WD
Fitment notes — GM GENUINE 19208892
Rear4WD3.5" I.D
View on
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GM GENUINE 85136882
🇺🇸 US 🇨🇦 CA
Inner4WD
View on
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GM GENUINE 85136884
🇺🇸 US 🇨🇦 CA
Outer4WD
View on
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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.

Transfer Case Input Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE 19132945
🇺🇸 US 🇨🇦 CA
4WD62.25MM OD
View on
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GM GENUINE 19210795
🇺🇸 US 🇨🇦 CA
Left4WD
View on
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GM GENUINE 84823713
🇺🇸 US 🇨🇦 CA
4WDINPUT SHAFT SEAL KIT
Fitment notes — GM GENUINE 84823713
4WDINPUT SHAFT SEAL KITSEAL DRIVER INCLUDED IN KIT
View on
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GM GENUINE 85634029
🇺🇸 US 🇨🇦 CA
4WDIDS SEAL KIT
Fitment notes — GM GENUINE 85634029
4WDIDS SEAL KITSEAL DRIVER INCLUDED IN 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.

Transfer Case Intermediate Shaft

Brand Part Number Markets Notes Buy
GM GENUINE 19209536
🇺🇸 US 🇨🇦 CA
4WD
View on
Amazon

This table covers the Transfer Case Intermediate shafts.

Transfer Case Intermediate Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE 19132944
🇺🇸 US 🇨🇦 CA
4WD
View on
Amazon
GM GENUINE 19206322
🇺🇸 US 🇨🇦 CA
4WD41.16MM OD
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.

Transfer Case Locating Pin

Brand Part Number Markets Notes Buy
GM GENUINE 84392855
🇺🇸 US 🇨🇦 CA
Pin-5 Diameter X 10 Long
View on
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This table covers the Transfer Case Locating pins.

Transfer Case Motor

Brand Part Number Markets Notes Buy
GM GENUINE 86805252
🇺🇸 US 🇨🇦 CA
4WDSHORT MOTOR HOUSING
Fitment notes — GM GENUINE 86805252
4WDSHORT MOTOR HOUSING134MM
View on
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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.

Transfer Case Oil Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE 19256069
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 19256069
Includes Seal
4WDM22
View on
Amazon

This table covers the Transfer Case Oil drain plugs.

Transfer Case Output Shaft Nut

Brand Part Number Markets Notes Buy
GM GENUINE 89047861
🇺🇸 US 🇨🇦 CA
4WD
View on
Amazon

This table covers the Transfer Case Output Shaft nuts.

Transfer Case Output Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE 19132939
🇺🇸 US 🇨🇦 CA
Rear4WD
Fitment notes — GM GENUINE 19132939
Rear4WDRADIAL LIP DESIGN
View on
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GM GENUINE 84465339
🇺🇸 US 🇨🇦 CA
AWD9 speed Automatic trans.
View on
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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.

Transfer Case Vent

Brand Part Number Markets Notes Buy
GM GENUINE 19132947
🇺🇸 US 🇨🇦 CA
4WD
View on
Amazon

This table covers the vents on the transfer case.

Buying Drivetrain Parts for a 2018 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 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 Transfer Case Fluid .

Frequently Asked Questions

How many drivetrain parts fit the 2018 Buick Enclave?

Our catalog currently lists 84 drivetrain parts for the 2018 Buick Enclave across 32 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 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 2018 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 2018 Buick Enclave?

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 Buick Enclave

Drivetrain Parts for Other Buick Enclave 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.