How to remove and replace the control arm on Buick LaCrosse?

To remove the control arm for 2009 and earlier models, mark the relationship of the control arm to the subframe while the vehicle is at normal ride height. The front wheel is removed after loosening the wheel lug nuts and raising the front of the vehicle on jackstands. If available, unplug or pull out of place ABS wheel speed sensor and harness from its position within control arm. After that, separate balljoint from steering knuckle and remove some fasteners connecting control arm with this subframe. In order to verify if there are any distortions or worn out parts, inspect the control arm and bushings checking for any damage which should be replaced only if damaged.Since all bolts were tight when they got installed, loosen them first before removing them during installation until you get them in numbers that do not exceed fifteen per square inch; alternatively use a torque wrench set between twenty five foot-pounds (25 ft lbs) and forty-five ft-lbs.For removal with GNB front suspension models 2010 onwards one has to look at how they can release front wheels' nuts loosen jack up their cars using jacks stands take away tires from axles disconnect height sensor plus w/harness then follow it up by undoing rear bushing-to-subframe fasteners nut bolt yoke on strut as well pawl finally unscrewed under front bracket above whole assembly install reverse new bolts are used tighten as per instruction manual.In case of GNA front suspension models 2010 onwards, one has to look at how they can release front wheels' nuts loosen jack up their cars using jacks stands take away tires from axles detach flange connector in addition pinch-bolt that joins two in proximity strucker others back pads allowing connection between shock absorber shaft end ears mountings would still remain intact otherwise pressed down farther rearwardly just behind inside bore wall underneath rubber disc small metal part lining onto other side only through existing hole inside upper lip separate bushing located near large bottom surface is pushed outwards at same time lower one goes inwards similarly cm beside main body over which will be positioned adequate space between two components because it's here your tool needs to get locked up against case we're discussing about repair field technicians won't this without certain knowledge concerning difficulty involved.To remove the control arm, special tools are necessary and it is recommended for the control arm to be taken for bushing replacement.

Genuine Buick LaCrosse Control Arm

Suspension Arm

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31 Control Arms found

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Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84376571
$102.46 MSRP: $175.21
You Save: $72.75 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 84107267, 84376573, 84362534, 23421068, 84067511, 84198832
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84376572
$100.81 MSRP: $172.39
You Save: $71.58 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lower Control; Lower Control Arm
- Position: Front Lower
- Replaces: 23421069, 84107268, 84376574, 84362535, 84067512
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84376576
$132.33 MSRP: $231.71
You Save: $99.38 (43%)
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 84107270
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2018 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
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Buick LaCrosse Rear Lower Suspension Control Arm Assembly
Part Number: 13219164
$57.00 MSRP: $97.48
You Save: $40.48 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Lower Control ; Arm, Rear Axle Control Arm; Lower Control Arm
- Position: Rear Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
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Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84008848
$134.20 MSRP: $229.51
You Save: $95.31 (42%)
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 84248218, 23121590
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Suspension Trailing Arm Assembly
Part Number: 15820927
$60.40 MSRP: $102.38
You Save: $41.98 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Arm Assembly, Rear Suspension Trailing ; Arm, Rear Axle Control Arm; Trailing Arm
- Position: Rear
- Replaces: 10244461
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.6L, 6 Cyl 3.8L, 8 Cyl 5.3L
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Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 20900531
$107.64 MSRP: $188.43
You Save: $80.79 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
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Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 22947663
$174.89 MSRP: $299.06
You Save: $124.17 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lower Control ; Arm, Steering Knuckle Lower Control; Lower Control Arm
- Position: Front Lower
- Replaces: 10328897, 10303057, 10348612, 10287709, 10328899, 10301553, 15293664, 15293661, 10301555, 10291504, 10348610, 15293666, 20977506, 25853334
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.6L, 6 Cyl 3.8L, 8 Cyl 5.3L
View related parts
Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 23216530
$136.33 MSRP: $236.63
You Save: $100.30 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Replaces: 20921466
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Suspension Control Arm Assembly
Part Number: 22927292
$81.42 MSRP: $199.56
You Save: $118.14 (60%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Control ; Arm, Rear Axle Control Arm; Control Arm, Front Upper Control Arm, Trailing Arm
- Position: Rear
- Replaces: 13219145
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84008849
$129.74 MSRP: $221.87
You Save: $92.13 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 13332176, 23121591, 84248219
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 20900532
$98.28 MSRP: $172.08
You Save: $73.80 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84248221
$215.84 MSRP: $424.46
You Save: $208.62 (50%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 20835936, 23354433, 84248216, 22854825
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Front Lower Control Arm Assembly
Part Number: 84248220
$203.27 MSRP: $344.57
You Save: $141.30 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Front Lwr Cont; Lower Control Arm
- Position: Front Lower
- Replaces: 20835937, 22854826, 84248217, 23354432
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Lower Suspension Control Arm Assembly
Part Number: 23214430
$282.06 MSRP: $456.60
You Save: $174.54 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Lower Control; Lower Control Arm, Rear Lower Control Arm
- Position: Rear Lower
- Replaces: 23182015, 20921462
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Lower Suspension Control Arm Assembly
Part Number: 23214431
$282.06 MSRP: $456.59
You Save: $174.53 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Lower Control; Lower Control Arm, Rear Lower Control Arm
- Position: Rear Lower
- Replaces: 20921463, 23182016
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 23216531
$136.33 MSRP: $236.63
You Save: $100.30 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Replaces: 20921469
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 13318345
$91.10 MSRP: $150.78
You Save: $59.68 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control ; Arm, Rear Axle Control Arm; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2012 Buick LaCrosse | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Lower Suspension Control Arm Assembly
Part Number: 22985456
$48.21 MSRP: $79.79
You Save: $31.58 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Lower Control; Lower Control Arm
- Position: Rear Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK | 4 Cyl 2.5L, 6 Cyl 3.6L
View related parts
Buick LaCrosse Rear Upper Suspension Control Arm Assembly
Part Number: 84178160
Product Specifications
- Other Name: Arm Assembly, Rear Suspension Upper Control; Rear Upper Control Arm, Upper Control Arm
- Position: Rear Upper
- Replaces: 22830017, 13230592
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Buick LaCrosse | CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN | 4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6L

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1-20 of 31 Results

Buick LaCrosse Control Arm

The Buick LaCrosse Control Arm is the crucial connection between each of the car's front wheels and the sedan's frame. This allows the suspension to keep the tires planted and smooth out bumps. Mounted with rubber bushings at the end of the chassis and a ball joint at the knuckle, each Control Arm pivots up and down as springs and struts react to potholes, guiding the wheel but not allowing it to move forward or backward. Earlier LaCrosse generations applied stamped steel Control Arm pieces that were strong but susceptible to corrosion. Severe rust could weaken them or lock the bushings in place. Later years on the same model moved to cast iron or lightweight cast aluminum versions, which gained additional strength and lost weight, resulting in a more comfortable ride and better fuel economy. They also resist rust much better than steel. Regardless of material, every Control Arm on a Buick bears the load from shocks, coil or torsion springs, and sway bars. Damage from curbs or collisions can bend the arm, and if a Control Arm bends, alignment suffers. Complete replacement is wiser than only swapping worn bushings or ball joints. Reliable operation of these arms means that the Buick LaCrosse can corner predictably and absorb impacts with confidence.

Each OEM Buick LaCrosse Control Arm we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Buick LaCrosse Control Arm Parts Questions & Experts Answers

Rear Suspension Trailing Arm Assembly
15820927
Q: How to remove and replace the control arm on Buick LaCrosse?
A:
To remove the control arm for 2009 and earlier models, mark the relationship of the control arm to the subframe while the vehicle is at normal ride height. The front wheel is removed after loosening the wheel lug nuts and raising the front of the vehicle on jackstands. If available, unplug or pull out of place ABS wheel speed sensor and harness from its position within control arm. After that, separate balljoint from Steering Knuckle and remove some fasteners connecting control arm with this subframe. In order to verify if there are any distortions or worn out parts, inspect the control arm and bushings checking for any damage which should be replaced only if damaged.Since all bolts were tight when they got installed, loosen them first before removing them during installation until you get them in numbers that do not exceed fifteen per square inch; alternatively use a torque wrench set between twenty five foot-pounds (25 ft lbs) and forty-five ft-lbs.For removal with GNB front suspension models 2010 onwards one has to look at how they can release front wheels' nuts loosen jack up their cars using jacks stands take away tires from axles disconnect height sensor plus w/harness then follow it up by undoing rear bushing-to-subframe fasteners nut bolt yoke on strut as well pawl finally unscrewed under front bracket above whole assembly install reverse new bolts are used tighten as per instruction manual.In case of GNA front suspension models 2010 onwards, one has to look at how they can release front wheels' nuts loosen jack up their cars using jacks stands take away tires from axles detach flange connector in addition pinch-bolt that joins two in proximity strucker others back pads allowing connection between shock absorber shaft end ears mountings would still remain intact otherwise pressed down farther rearwardly just behind inside bore wall underneath rubber disc small metal part lining onto other side only through existing hole inside upper lip separate bushing located near large bottom surface is pushed outwards at same time lower one goes inwards similarly cm beside main body over which will be positioned adequate space between two components because it's here your tool needs to get locked up against case we're discussing about repair field technicians won't this without certain knowledge concerning difficulty involved.To remove the control arm, special tools are necessary and it is recommended for the control arm to be taken for bushing replacement.

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