2013 Buick Lacrosse Drivetrain Parts

Engine:

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

The 2013 Buick Lacrosse has 101 drivetrain parts with verified fitment on this page — 39 part types and 16 brands, covering both the 2.4L L4 and the 3.6L V6. Each part includes a manufacturer part number and application notes.

On the 2013 Buick Lacrosse, 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 CV Axle (21 parts), Differential Carrier Bearing / Race (6 parts) and Differential Washer (6 parts). The other 36 part types cover the remaining 68 parts.

AWD Coupling Oil Filter

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 20986573
🇺🇸 US 🇨🇦 CA
Includes Filter and Gasket
Fitment notes — GM GENUINE 20986573
Includes Filter and Gasket
AWD
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VAICO Fits: all 2013 Lacrosse engines V401565
🇺🇸 US 🇨🇦 CA
AWD
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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.

AWD Coupling Oil Pump

Brand Part Number Markets Notes Buy
DORMAN Fits: 3.6L V6 699000
🇺🇸 US 🇨🇦 CA
AWD
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GM GENUINE Fits: all 2013 Lacrosse engines 22765779
🇺🇸 US 🇨🇦 CA
AWDElectronic Positraction Limited Slip Axle (G96)
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LARES Fits: all 2013 Lacrosse engines 30375
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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This table covers the AWD Coupling Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.

Axle Intermediate Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 22759189
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 22759189
FrontBase ModelTrans. code 6T456 speed Automatic trans.
FrontBase ModelTrans.Code 6T706 Speed Automatic Trans.
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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 Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 291332
🇺🇸 US 🇨🇦 CA
Fits RearAWD
Fitment notes — GM GENUINE 291332
Fits:
RearAWDYELLOWElectronic Positraction Limited Slip Axle (G96)
or:
RearAWDYellowUsed On Late 2012 Vehicle with Inboard Axle SlingersElectronic Positraction Limited Slip Axle (G96)2nd Design
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TIMKEN Fits: all 2013 Lacrosse engines SL260439
🇺🇸 US 🇨🇦 CA 🇲🇽 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

Economy

Brand Part Number Markets Notes Buy
AUTO EXTRA Fits: all 2013 Lacrosse engines GC88989
🇺🇸 US 🇨🇦 CA
Rear RightPrimary Design
Fitment notes — AUTO EXTRA GC88989
Rear RightPrimary DesignOE # 228232994WD/AWD
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Standard Replacement

Brand Part Number Markets Notes Buy
APWI Popular Fits: 2.4L L4 GM8436
🇺🇸 US 🇨🇦 CA
Front Left
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GM GENUINE Popular Fits: all 2013 Lacrosse engines 84628595
🇺🇸 US 🇨🇦 CA
Front LeftBase Model
Fitment notes — GM GENUINE 84628595
Front LeftBase ModelTrans.Code 6T706 speed Automatic trans.with RPO Code AZ, Aamp, Aaty, AA96with RPO Code Acmr
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GM GENUINE Popular Fits: all 2013 Lacrosse engines 84628596
🇺🇸 US 🇨🇦 CA
Front RightBase Model
Fitment notes — GM GENUINE 84628596
Front RightBase ModelTrans.Code 6T706 Speed Automatic Trans.with RPO Code ACMS
Front RightBase ModelTrans.Code 6T456 Speed Automatic Trans.with RPO Code ACMS
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TOP NOTCH Popular Fits: 2.4L L4 TN20044
🇺🇸 US 🇨🇦 CA
Front Left
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TOP NOTCH Popular Fits: 3.6L V6 TN20015
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
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TRAKMOTIVE Popular Fits: all 2013 Lacrosse engines GM8275
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
AAR Joint Design
Fitment notes — TRAKMOTIVE GM8275
AAR Joint Design
Front Right
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CARDONE Fits: 3.6L V6 661643
🇺🇸 US 🇨🇦 CA
Rear LeftAWD
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CARDONE Fits: 3.6L V6 661644
🇺🇸 US 🇨🇦 CA
Rear RightAWD
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GM GENUINE Fits: 2.4L L4 84628594
🇺🇸 US 🇨🇦 CA
Front LeftBase Model
Fitment notes — GM GENUINE 84628594
Front LeftBase ModelTrans.Code 6T456 Speed Automatic Trans.with RPO Code ACMP
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GSP Fits: all 2013 Lacrosse engines NCV10049
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
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GSP Fits: 2.4L L4 NCV10279
🇺🇸 US 🇨🇦 CA
Front Left
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GSP Fits: 3.6L V6 NCV10101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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GSP Fits: 3.6L V6 NCV10273
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
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GSP Fits: 3.6L V6 NCV10046
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
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TOP NOTCH Fits: 3.6L V6 TN20020
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Left
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TOP NOTCH Fits: 3.6L V6 TN20040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Right
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TRAKMOTIVE Fits: all 2013 Lacrosse engines GM8308
🇺🇸 US 🇨🇦 CA
Rear RightAWD
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TRAKMOTIVE Fits: all 2013 Lacrosse engines GM8303
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front LeftOption MHH
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TRAKMOTIVE Fits: all 2013 Lacrosse engines GM8276
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front LeftOpt. MH2 or MH4 Trans.
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TRAKMOTIVE Fits: all 2013 Lacrosse engines GM8307
🇺🇸 US 🇨🇦 CA
Rear LeftAWD
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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 Axle Support Bearing Bracket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 13368407
🇺🇸 US 🇨🇦 CA
Base ModelTrans. code 6T70
Fitment notes — GM GENUINE 13368407
Base ModelTrans. code 6T706 speed Automatic trans.
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This table covers the brackets that mount the CV Axle Support Bearing. 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.

CV Intermediate Shaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.4L L4 22910264
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 22910264
FrontBase ModelTrans.Code 6T456 Speed Automatic Trans.with RPO Code AAKW AAL4 AAP7 AA3P AA3X BT
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GM GENUINE Fits: 3.6L V6 22901057
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 22901057
FrontBase ModelTrans.Code 6T706 speed Automatic trans.Assembly with BearingCodes AAHR, AAL7, AA3C, BN
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This table covers the CV Intermediate shafts.

CV Joint

Brand Part Number Markets Notes Buy
ACDELCO Fits: all 2013 Lacrosse engines 39196365
🇺🇸 US
Front OuterFWD
Fitment notes — ACDELCO 39196365
Front OuterFWDBase ModelWHEEL SIDE
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ACDELCO Fits: all 2013 Lacrosse engines 39207311
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO 39207311
GM Original Equipment
Front Left InnerBase ModelTrans. code 6T706 speed Automatic trans.
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ACDELCO Fits: all 2013 Lacrosse engines 39207312
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO 39207312
GM Original Equipment
Front Right InnerFWDBase ModelTrans. code 6T456 speed Automatic trans.
Front Right InnerBase ModelTrans. code 6T706 speed Automatic trans.
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This table covers the constant-velocity joints at each end of a drive axle.

CV Joint Boot

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 20894127
🇺🇸 US 🇨🇦 CA
Rear InnerAWD
Fitment notes — GM GENUINE 20894127
Rear InnerAWDElectronic Positraction Limited Slip Axle (G96)
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MEVOTECH Fits: all 2013 Lacrosse engines DX551
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Inner
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MEVOTECH Fits: all 2013 Lacrosse engines DX877
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front 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: all 2013 Lacrosse engines 364038
🇺🇸 US 🇨🇦 CA
Front Outboard OuterBase Model
Fitment notes — GM GENUINE 364038
Front Outboard OuterBase ModelSingle UseLarge ClampStamped 95.4MM93MM Inside Diameter
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GM GENUINE Fits: all 2013 Lacrosse engines 88897260
🇺🇸 US 🇨🇦 CA
Rear Inboard OuterAWD
Fitment notes — GM GENUINE 88897260
Rear Inboard OuterAWDElectronic Positraction Limited Slip Axle (G96), Value Added Rear Suspension (VRN)92mm
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GM GENUINE Fits: all 2013 Lacrosse engines 93170250
🇺🇸 US 🇨🇦 CA
Rear Outboard InnerAWD
Fitment notes — GM GENUINE 93170250
Rear Outboard InnerAWD30MM Inside Diameter
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GM GENUINE Fits: all 2013 Lacrosse engines 93170396
🇺🇸 US 🇨🇦 CA
Rear Inboard InnerAWD
Fitment notes — GM GENUINE 93170396
Rear Inboard InnerAWDElectronic Positraction Limited Slip Axle (G96)88.5MM
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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: all 2013 Lacrosse engines 13317915
🇺🇸 US 🇨🇦 CA
Front InnerBase Model
Fitment notes — GM GENUINE 13317915
Front InnerBase ModelINSIDE GEAR SIDE JOINT30.2MM OD
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GM GENUINE Fits: all 2013 Lacrosse engines 90121202
🇺🇸 US 🇨🇦 CA
Fits Rear InnerAWD
Fitment notes — GM GENUINE 90121202
Fits:
Rear InnerAWDSnap Ring Circlip28mm Spline DiameterSingle UseElectronic Positraction Limited Slip Axle (G96)27.3MM OD2MM Thick
or:
Front InnerBase ModelTrans.Code 6T456 speed Automatic trans.Snap Ring Circlip28mm Spline Diameter27.3MM OD, 2MM Thick
Rear InnerAWDSnap Ring Circlip28mm Spline DiameterSingle UseElectronic Positraction Limited Slip Axle (G96)27.3MM OD2MM Thick
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GM GENUINE Fits: all 2013 Lacrosse engines 13317913
🇺🇸 US 🇨🇦 CA
Front InnerBase Model
Fitment notes — GM GENUINE 13317913
Front InnerBase ModelSNAP RING INSIDE WHEEL SIDE JOINTROUND FORM
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GM GENUINE Fits: all 2013 Lacrosse engines 22727024
🇺🇸 US 🇨🇦 CA
Front InnerBase Model
Fitment notes — GM GENUINE 22727024
Front InnerBase Model6 speed Automatic trans.SNAP RING GEAR SIDE ON AXLE28.8X2.5X29.5
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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 24260304
🇺🇸 US 🇨🇦 CA
RemanAxle Shaft Spline Quantity: 27
Fitment notes — GM GENUINE 24260304
RemanAxle Shaft Spline Quantity: 27
FrontBase ModelTrans.Code 6T706 Speed Automatic Trans.2.77 Ratio (D70)
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GM GENUINE Fits: 3.6L V6 24260306
🇺🇸 US 🇨🇦 CA
Reman
Fitment notes — GM GENUINE 24260306
Reman
FrontBase ModelTrans.Code 6T706 Speed Automatic Trans.2.77 Ratio (D70)
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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 Popular Fits: 3.6L V6 24279803
🇺🇸 US 🇨🇦 CA
Race Only
Fitment notes — GM GENUINE 24279803
Race Only
FrontBase ModelTrans.Code 6T706 speed Automatic trans.Torque Converter and Differential Housing Side2.77 Ratio (D70)
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NSK Popular Fits: 3.6L V6 R6044
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Automatic trans.60 MM ID
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GM GENUINE Fits: all 2013 Lacrosse engines 24231136
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24231136
FrontBase Model120MM O.D.
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GM GENUINE Fits: 3.6L V6 24258422
🇺🇸 US 🇨🇦 CA
Race Only
Fitment notes — GM GENUINE 24258422
Race Only
FrontBase ModelTrans.Code 6T706 speed Automatic trans.RHSAutomatic Transmission Case Side2.77 Ratio (D70)
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GM GENUINE Fits: 3.6L V6 24258421
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24258421
FrontBase ModelTrans.Code 6T706 Speed Automatic Trans.Automatic Transmission CASE SIDE2.77 Ratio (D70)
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NSK Fits: 3.6L V6 JLM506810
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Race
Fitment notes — NSK JLM506810
Race
Right
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This table covers the bearings and races that support the differential carrier.

Differential Carrier Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 11609598
🇺🇸 US 🇨🇦 CA
AWDM12X1.75X80.9
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This table covers the Differential Carrier bolts.

Differential Carrier Bushing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13243708
🇺🇸 US 🇨🇦 CA
RearAWD
Fitment notes — GM GENUINE 13243708
RearAWDH-Arm Rear Axle (GNE)
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GM GENUINE Fits: all 2013 Lacrosse engines 13243707
🇺🇸 US 🇨🇦 CA
AWDElectronic Positraction Limited Slip Axle (G96)
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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 Carrier Fluid Baffle

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.4L L4 24246165
🇺🇸 US 🇨🇦 CA
Base ModelTrans.Code 6T45
Fitment notes — GM GENUINE 24246165
Base ModelTrans.Code 6T456 speed Automatic trans.PlasticTo Front Diff Ring Gearto Housing2.64 Ratio (FXJ)
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GM GENUINE Fits: 2.4L L4 24240156
🇺🇸 US 🇨🇦 CA
Base ModelTrans.Code 6T45
Fitment notes — GM GENUINE 24240156
Base ModelTrans.Code 6T456 speed Automatic trans.to Drive Sprocket2.64 Ratio (FXJ)
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GM GENUINE Fits: 3.6L V6 24263150
🇺🇸 US 🇨🇦 CA
Base ModelTrans.Code 6T70
Fitment notes — GM GENUINE 24263150
Base ModelTrans.Code 6T706 speed Automatic trans.2.77 Ratio (D70)
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This table covers the baffles that control oil in the differential carrier.

Differential Carrier Shim

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 24234094
🇺🇸 US 🇨🇦 CA
Front DifferentialBase Model
Fitment notes — GM GENUINE 24234094
Front DifferentialBase ModelBROWN0.494 MM
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GM GENUINE Fits: all 2013 Lacrosse engines 24234095
🇺🇸 US 🇨🇦 CA
Front DifferentialBase Model
Fitment notes — GM GENUINE 24234095
Front DifferentialBase ModelPURPLE0.545 MM
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GM GENUINE Fits: all 2013 Lacrosse engines 24234096
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 24234096
Black
Front DifferentialBase Model0.596 MM
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GM GENUINE Fits: all 2013 Lacrosse engines 24234097
🇺🇸 US 🇨🇦 CA
Front DifferentialBase Model
Fitment notes — GM GENUINE 24234097
Front DifferentialBase ModelPINK0.647 MM
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GM GENUINE Fits: all 2013 Lacrosse engines 24234098
🇺🇸 US 🇨🇦 CA
Front DifferentialBase Model
Fitment notes — GM GENUINE 24234098
Front DifferentialBase ModelDARK BLUE0.698 MM
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This table covers the Differential Carrier shims.

Differential Clutch Pack

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 85632233
🇺🇸 US 🇨🇦 CA
Internal Tooth Quantity: 26
Fitment notes — GM GENUINE 85632233
Internal Tooth Quantity: 26
AWDElectronic Positraction Limited Slip Axle (G96)
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This table covers the clutch packs in a limited-slip or locking differential.

Differential Clutch Pressure Control Valve

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2013 Lacrosse engines 699010
🇺🇸 US 🇨🇦 CA
AWD
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GM GENUINE Fits: all 2013 Lacrosse engines 13280097
🇺🇸 US 🇨🇦 CA
Base ModelElectronic 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: all 2013 Lacrosse engines 19435910
🇺🇸 US 🇨🇦 CA
Reman
Fitment notes — GM GENUINE 19435910
Reman
AWDRefurbishedOrder with Differential Clutch Valve Mounting Plate 13280057Electronic Positraction Limited Slip Axle (G96)
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This table covers the Differential control modules.

Differential Cover Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13280041
🇺🇸 US 🇨🇦 CA
FrontAWD
Fitment notes — GM GENUINE 13280041
FrontAWDElectronic Positraction Limited Slip Axle (G96)
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This table covers the Differential Cover bolts.

Differential Cover Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13280045
🇺🇸 US 🇨🇦 CA
AWDElectronic Positraction Limited Slip Axle (G96)
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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 Fits: all 2013 Lacrosse engines 55573646
🇺🇸 US 🇨🇦 CA
Includes O-Ring
Fitment notes — GM GENUINE 55573646
Includes O-Ring
AWDM20X1.5X1629 ODMagnetZinc CoatedSquare/Ratchet StyleElectronic Positraction Limited Slip Axle (G96)
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This table covers the Differential Fill drain plugs.

Differential Housing Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13280065
🇺🇸 US 🇨🇦 CA
AWDElectronic Positraction Limited Slip Axle (G96)
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This table covers the Differential Housing bolts.

Differential Oil Pump Hose

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 20813559
🇺🇸 US 🇨🇦 CA
Base ModelElectronic 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 Slinger

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 24239418
🇺🇸 US 🇨🇦 CA
Base ModelTrans. code 6T70
Fitment notes — GM GENUINE 24239418
Base ModelTrans. code 6T706 speed Automatic trans.
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This table covers the slingers that keep gear oil off the pinion seal.

Differential Pinion Flange

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13334081
🇺🇸 US 🇨🇦 CA
AWDPLASTIC DIFFERENTIAL DUST COVER
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This table covers the flanges that connect the driveshaft to the differential pinion.

Differential Pinion Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 13296280
🇺🇸 US 🇨🇦 CA
RightAWD
Fitment notes — GM GENUINE 13296280
RightAWDElectronic Positraction Limited Slip Axle (G96)
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TIMKEN Fits: all 2013 Lacrosse engines SL260582
🇺🇸 US 🇨🇦 CA
Rear
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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 Rebuild Kit

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.4L L4 24069069
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24069069
FrontBase ModelTrans.Code 6T456 speed Automatic trans.Includes Front Differential Bearing Race2.64R (FXJ)
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This table covers kits that group the bearings, races and seals for a differential rebuild.

Differential Ring Gear

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.4L L4 24230683
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24230683
FrontBase ModelTrans.Code 6T456 Speed Automatic Trans.89T2.64R(FXJ)
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This table covers the Differential Ring gears.

Differential Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 24225582
🇺🇸 US 🇨🇦 CA
Base ModelTrans. code 6T70
Fitment notes — GM GENUINE 24225582
Base ModelTrans. code 6T706 speed Automatic trans.
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GM GENUINE Fits: all 2013 Lacrosse engines 13334079
🇺🇸 US 🇨🇦 CA
AWDFlange
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GM GENUINE Fits: all 2013 Lacrosse engines 13334078
🇺🇸 US 🇨🇦 CA
AWDCLUTCH COVER
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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.

Differential Washer

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2013 Lacrosse engines 24234088
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24234088
FrontBase ModelWhite0.851 mmPinion Gear Thrust Washer
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GM GENUINE Fits: all 2013 Lacrosse engines 24234081
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24234081
FrontBase ModelBrown0.494 mmPinion Gear Thrust Washer
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GM GENUINE Fits: all 2013 Lacrosse engines 24234082
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24234082
FrontBase ModelPurple0.545 mmPinion Gear Thrust Washer
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GM GENUINE Fits: all 2013 Lacrosse engines 24234083
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 24234083
Black
FrontBase Model0.596 mmPinion Gear Thrust Washer
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GM GENUINE Fits: all 2013 Lacrosse engines 24234084
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24234084
FrontBase ModelPink0.647 mmPinion Gear Thrust Washer
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GM GENUINE Fits: all 2013 Lacrosse engines 24234085
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24234085
FrontBase ModelBlue0.698 mmPinion Gear Thrust Washer
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This table covers the Differential washers.

Drive Shaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 22960220
🇺🇸 US 🇨🇦 CA
RearAWD
Fitment notes — GM GENUINE 22960220
RearAWDwith RPO Code AAG7 AASC 9771
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VAICO Fits: all 2013 Lacrosse engines V510490
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Grade: OEFront Right
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VAICO Fits: 2.4L L4 V510492
🇺🇸 US 🇨🇦 CA
Grade: OEFront Left
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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: all 2013 Lacrosse engines 11588725
🇺🇸 US 🇨🇦 CA
Fits FrontFWD
Fitment notes — GM GENUINE 11588725
Fits:
FrontFWDBase ModelTrans.Code 6T706 Speed Automatic Trans.M8X1.25X35
or:
FrontBase ModelTrans.Code 6T456 Speed Automatic Trans.M8X1.25X35
FrontFWDBase ModelTrans.Code 6T706 Speed Automatic Trans.M8X1.25X35
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GM GENUINE Fits: all 2013 Lacrosse engines 13324897
🇺🇸 US 🇨🇦 CA
AWD
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This table covers the Drive Shaft bolts.

Retaining Ring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 24231157
🇺🇸 US 🇨🇦 CA
FrontBase Model
Fitment notes — GM GENUINE 24231157
FrontBase Model153.59 Installed Nominal160 Free Outside Diameter2.2THKSnap RingDifferential Carrier Internal Gear Retaining Ring
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This table covers the Retaining rings.

Transfer Case Bolt

Brand Part Number Markets Notes Buy
ELRING Fits: all 2013 Lacrosse engines 795390
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Housing Bolt
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This table covers the Transfer Case bolts.

Transfer Case Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 55566355
🇺🇸 US 🇨🇦 CA
AWDTrans. code 6T70
Fitment notes — GM GENUINE 55566355
AWDTrans. code 6T706 speed Automatic trans.
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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 Input Shaft Seal

Brand Part Number Markets Notes Buy
NATIONAL Fits: 3.6L V6 711149
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
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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 Output Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2013 Lacrosse engines 55578408
🇺🇸 US 🇨🇦 CA
RearAWD
Fitment notes — GM GENUINE 55578408
RearAWDTrans. code 6T706 speed Automatic trans.
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NATIONAL Fits: 3.6L V6 711150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Inner
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NATIONAL Fits: 3.6L V6 711151
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
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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.

Buying Drivetrain Parts for a 2013 Buick Lacrosse

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. Some drivetrain parts fit every engine; others are 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 Carrier Bearing / Race .

Frequently Asked Questions

How many drivetrain parts fit the 2013 Buick Lacrosse?

Our catalog currently lists 101 drivetrain parts for the 2013 Buick Lacrosse across 39 subcategories and 16 brands, covering both the 2.4L L4 and the 3.6L V6. Each part is matched to the engine(s) it fits.

Do drivetrain parts differ between 2013 Buick Lacrosse engines?

Some do. 69 parts fit every engine; the other 32 are engine-specific. Each row (and the filter at the top) shows which. 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 2013 Buick Lacrosse?

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 2013 Buick Lacrosse 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 2013 Buick Lacrosse?

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 2013 Buick Lacrosse

Drivetrain Parts for Other Buick Lacrosse 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.