How to service and repair the steering knuckle on Buick Regal?

Before performing repairs or servicing on the Steering Knuckle users must first safely raise and adequately support the vehicle. The first step requires removal of tire and wheel assembly then front wheel drive shaft bearing. First remove the front lower control arm ball stud then use the universal steering linkage puller (J 24319-B) to remove the outer Tie Rod End from the Steering Knuckle. You should first scribe the strut to the knuckle before removing the bolts between strut and knuckle to extract the knuckle from the vehicle. Use the knuckle to reposition itself onto the vehicle before installing the bolts connecting the strut to the knuckle while torquing them to 122 nm (90 ft. Lbs.). Install the outer tie rod onto the Steering Knuckle before fastening the front lower control arm ball stud to the knuckle earlier mounting the front wheel drive shaft bearing. Place the tire and wheel combination back on the vehicle then lower it down.

How to replace the steering knuckle in the rear suspension on Buick Enclave?

The first step for replacing the Steering Knuckle in rear suspension requires the vehicle to be lifted and supported. For awd vehicles remove the rear Wheel Bearing and hub (Rear Wheel Bearing and Hub Replacement) while fwd vehicles need (Rear Wheel Bearing and Hub Replacement). Start by detaching the park Brake Backing Plate assembly and the rear wheel drive shaft according to (Rear Wheel Drive Shaft and Rear Axle Shaft Seal Replacement). Place a jack stand under the lower Control Arm and take out the knuckle adjuster link bolt and knuckle attaching nut and both bolts securing the knuckle to the lower Control Arm and upper Control Arm. The installation of the rear suspension link occurs on the lower Control Arm. The knuckle needs to be removed from both upper and lower control arms next. To install the knuckle park the component in the upper and lower control arms then add the bolt connecting the knuckle to the adjuster link then lightly tighten the nut before securing it to 75 n.m (55 lb ft) with an additional 60 degrees of torque. Position the bolt from the upper Control Arm into the knuckle after you fingertighten the nut before torquing it to 100 n.m (74 lb ft) and additional 60 degrees. After completing the bolt from the lower Control Arm to the knuckle, remove the jack stand positioned under the lower Control Arm. You should install the rear wheel drive shaft followed by the park Brake Backing Plate assembly and finally the rear Wheel Bearing and hub assembly (Rear Wheel Bearing and Hub Replacement) or (Rear Wheel Bearing and Hub Replacement). The support should be withdrawn while the vehicle should descend.

OEM Buick Steering Knuckle

Front Steering Knuckle

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115 Steering Knuckles found

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Buick Knuckle, Passenger Side Part Number: 20998091
$90.64 MSRP: $155.66
You Save: $65.02 (42%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
Fits the following Buick Models:
- LaCrosse | 2014-2016 | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Knuckle, Driver Side Part Number: 13219080
$115.97 MSRP: $282.96
You Save: $166.99 (60%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Driver Side
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Regal | 2011-2017 | Base, CXL, GS, Premium, Sport Touring | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Knuckle, Driver Side Part Number: 13409306
$115.80 MSRP: $183.83
You Save: $68.03 (38%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Driver Side
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Knuckle, Driver Side Part Number: 23130696
$388.19 MSRP: $639.48
You Save: $251.29 (40%)
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Product Specifications
- Other Name: Knuckle, Rear Wheel
- Position: Driver Side
- Replaces: 19151396, 18022046, 25816705, 18060616
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- LaCrosse | 2005-2009 | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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Buick Knuckle, Passenger Side Part Number: 23118286
$253.51 MSRP: $402.51
You Save: $149.00 (38%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
- Replaces: 13319483
Fits the following Buick Models:
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Knuckle, Passenger Side Part Number: 22990753
$265.66 MSRP: $421.79
You Save: $156.13 (38%)
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Product Specifications
- Other Name: Knuckle, Steering (Machining)
- Position: Passenger Side
- Replaced by: 23127630
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- LaCrosse | 2005-2009 | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
- Rendezvous | 2002-2007 | CX, CX Plus, CXL, CXL Plus, Ultra | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.6 L GAS
- Terraza | 2005-2007 | CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Knuckle, Passenger Side Part Number: 23130695
$433.92 MSRP: $623.98
You Save: $190.06 (31%)
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Product Specifications
- Other Name: Knuckle, Rear Wheel
- Position: Passenger Side
- Replaces: 19151397, 18022047, 18060617, 25816704
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- LaCrosse | 2005-2009 | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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Buick Knuckle, Rear Passenger Side Part Number: 84196225
$123.86 MSRP: $203.94
You Save: $80.08 (40%)
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Product Specifications
- Other Name: Knuckle, Rear Wheel
- Position: Rear Passenger Side
- Replaced by: 26503837
Fits the following Buick Models:
- Enclave | 2018-2024 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Knuckle, Passenger Side Part Number: 23271316
$103.22 MSRP: $163.85
You Save: $60.63 (37%)
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Product Specifications
- Other Name: Knuckle Assembly-Steering; Knuckle, Steering
- Position: Passenger Side
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Knuckle, Driver Side Part Number: 84180899
$94.86 MSRP: $156.26
You Save: $61.40 (40%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Driver Side
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
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Buick Knuckle, Passenger Side Part Number: 84180900
$94.19 MSRP: $155.17
You Save: $60.98 (40%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
- Replaces: 13385778
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
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Buick Yoke, Driver Side Part Number: 84146138
$78.51 MSRP: $129.33
You Save: $50.82 (40%)
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Product Specifications
- Other Name: Knuckle, Steering; Knuckle
- Position: Driver Side
- Replaces: 23301179
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Knuckle, Passenger Side Part Number: 42757359
$201.43 MSRP: $319.81
You Save: $118.38 (38%)
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Product Specifications
- Other Name: Knuckle, Steering
- Position: Passenger Side
- Replaces: 42481616
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Knuckle, Rear Driver Side Part Number: 84196224
$123.81 MSRP: $203.94
You Save: $80.13 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Knuckle, Rear Wheel
- Position: Rear Driver Side
- Replaced by: 26503836
Fits the following Buick Models:
- Enclave | 2018-2024 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick Knuckle, Rear Passenger Side Part Number: 84196219
$108.59 MSRP: $184.88
You Save: $76.29 (42%)
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Product Specifications
- Other Name: Knuckle, Rear Wheel
- Position: Rear Passenger Side
- Replaced by: 42803051
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Knuckle, Rear Driver Side Part Number: 13327458
$115.91 MSRP: $184.02
You Save: $68.11 (38%)
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Product Specifications
- Other Name: Knuckle Assembly, Rear Suspension
- Position: Rear Driver Side
- Replaced by: 23432048
Fits the following Buick Models:
- LaCrosse | 2012-2013 | Base, Convenience, Leather, Premium, Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX
- Regal | 2012-2014 | Base, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Strut Part Number: 89047629
Product Specifications
- Other Name: Knuckle & Strut Assembly-W/Ball Joint; Knuckle; Knuckle, Front And Rear Suspension; Knuckle, Steering
- Replaces: 22064571, 22064126, 22064157, 22064560
Fits the following Buick Models:
- Regal | 1988-1995 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Knuckle, Rear Passenger Side Part Number: 18060244
Product Specifications
- Other Name: Knuckle, Rear Suspension; Knuckle, Rear Wheel
- Position: Rear Passenger Side
- Replaces: 10056762
Fits the following Buick Models:
- Regal | 1988-1993 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Knuckle, Rear Driver Side Part Number: 18060598
Product Specifications
- Other Name: Knuckle, Rear Suspension; Knuckle, Rear Wheel
- Position: Rear Driver Side
- Replaces: 18019813
Fits the following Buick Models:
- Regal | 1994-1996 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS
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Buick Strut Part Number: 89047628
Product Specifications
- Other Name: Knuckle & Strut Assembly-W/Ball Joint; Knuckle; Knuckle, Front And Rear Suspension; Knuckle, Steering
- Replaces: 22064570, 22064559, 22064156, 22064125
Fits the following Buick Models:
- Regal | 1988-1995 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.8 L GAS

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Buick Steering Knuckle

Choose OEM Steering Knuckle, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Steering Knuckle. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Steering Knuckle maintains the position of wheels and responsiveness and bridges the suspension and steering. During more than a hundred years, Buick has been a combination of soft ride etiquette and reliable innovation that remain handy. The reason is that drivers can feel the low cabin noise because the brand did not use gimmicks but quiet tuning instead. It introduced such concepts as ergonomic controls allowing individuals to concentrate on the road rather than appliances. The Wildcat EV concept demonstrated clean power, a sharp body, and evidence of the company looking into tomorrow. Nevertheless, Buick has one objective that remains unchanged no matter all the changes, which is to make everyday travel stress-free and serene. Long comfortable seats absorb long hauls, and there is no stiffness in the car because of balanced suspension. Internet dashboards have an easy-to-use menu in combination with straightforward graphics to ensure that drivers scroll less and remain alert. An introductory-hybrid design is now inserted in between fast torque bells. The Steering Knuckle connects the lower control arm, tie-rod end, and hub to such a degree that the wheel slides over bumps and swings on command without bending, and the design was changed to slender ball joints that reduce weight and improve turn-in and yet allow the axle shafts to pass through the middle on the current AWD design. Where metal is bent or a bore cracked, the Steering Knuckle is replaced and tires are saved. Periodic visual inspection identifies loose ball joints, worn-out bushings, or rust prior to the knuckle breaking and forcing the suspension out of phase.

Buick Steering Knuckle Parts and Q&A

Knuckle, Driver Side
23127629
Q: How to service and repair the steering knuckle on Buick Regal?
A:
Before performing repairs or servicing on the Steering Knuckle users must first safely raise and adequately support the vehicle. The first step requires removal of tire and wheel assembly then front wheel drive shaft bearing. First remove the front lower control arm ball stud then use the universal steering linkage puller (J 24319-B) to remove the outer Tie Rod End from the Steering Knuckle. You should first scribe the strut to the knuckle before removing the bolts between strut and knuckle to extract the knuckle from the vehicle. Use the knuckle to reposition itself onto the vehicle before installing the bolts connecting the strut to the knuckle while torquing them to 122 nm (90 ft. Lbs.). Install the outer tie rod onto the Steering Knuckle before fastening the front lower control arm ball stud to the knuckle earlier mounting the front wheel drive shaft bearing. Place the tire and wheel combination back on the vehicle then lower it down.
Knuckle, Rear Passenger Side
23400078
Q: How to replace the steering knuckle in the rear suspension on Buick Enclave?
A:
The first step for replacing the Steering Knuckle in rear suspension requires the vehicle to be lifted and supported. For awd vehicles remove the rear Wheel Bearing and hub (Rear Wheel Bearing and Hub Replacement) while fwd vehicles need (Rear Wheel Bearing and Hub Replacement). Start by detaching the park Brake Backing Plate assembly and the rear wheel drive shaft according to (Rear Wheel Drive Shaft and Rear Axle Shaft Seal Replacement). Place a jack stand under the lower Control Arm and take out the knuckle adjuster link bolt and knuckle attaching nut and both bolts securing the knuckle to the lower Control Arm and upper Control Arm. The installation of the rear suspension link occurs on the lower Control Arm. The knuckle needs to be removed from both upper and lower control arms next. To install the knuckle park the component in the upper and lower control arms then add the bolt connecting the knuckle to the adjuster link then lightly tighten the nut before securing it to 75 n.m (55 lb ft) with an additional 60 degrees of torque. Position the bolt from the upper Control Arm into the knuckle after you fingertighten the nut before torquing it to 100 n.m (74 lb ft) and additional 60 degrees. After completing the bolt from the lower Control Arm to the knuckle, remove the jack stand positioned under the lower Control Arm. You should install the rear wheel drive shaft followed by the park Brake Backing Plate assembly and finally the rear Wheel Bearing and hub assembly (Rear Wheel Bearing and Hub Replacement) or (Rear Wheel Bearing and Hub Replacement). The support should be withdrawn while the vehicle should descend.