How to replace the steering knuckle on Audi A4?

To replace the steering knuckle, first remove the wheel cover and loosen the driveaxle/hub bolt while the vehicle is on its wheels, then loosen the wheel bolts. Chock the rear wheels, apply the parking brake, raise the front of the vehicle, and support it securely on jackstands before removing the front wheel. Next, take out the driveaxle/hub bolt and the ABS wheel speed sensor. Remove the brake caliper without disconnecting the hose and the brake disc, securing the caliper to the coil spring with wire or string. Detach the tie-rod end, lower balljoints, and upper control arms from the steering knuckle. Carefully pull the hub assembly outward while pushing the driveaxle from the hub, using a soft-faced hammer if necessary, and support the driveaxle to avoid letting it hang. For installation, lubricate the splines of the driveaxle with multi-purpose grease, position the knuckle/hub assembly, and engage it with the driveaxle stub shaft, installing a new driveaxle/hub bolt without tightening it yet. Connect the upper control arms to the knuckle, install the pinch bolt and a new nut, and tighten to the specified torque. Repeat this for the lower control arms, then engage the tie-rod end with the steering knuckle and tighten the retaining bolt and clamp bolt. Install the brake disc and caliper, tightening the caliper mounting bracket bolts and guide pins to the specified torque, followed by the ABS wheel speed sensor. Finally, install the wheel, lower the vehicle, and tighten the driveaxle/hub bolt and wheel bolts to the specified torque.

Genuine Audi Steering Knuckle

Front Steering Knuckle

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229 Steering Knuckles found

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Audi Knuckle Part Number: 1K0-505-435-Q
$229.23 MSRP: $321.05
You Save: $91.82 (29%)
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Product Specifications
- Other Name: Housing
- Position: Left
Fits the following Audi Models:
- A3 | 2006-2007 | Base | 4 Cyl 2.0 L GAS
- A3 Quattro | 2006-2007 | Base | 6 Cyl 3.2 L GAS
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Audi Knuckle Part Number: 8E0-505-436-M
$240.57 MSRP: $336.93
You Save: $96.36 (29%)
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Product Specifications
- Other Name: Housing
- Position: Right
Fits the following Audi Models:
- A6 Quattro | 2000-2003 | Base | 8 Cyl 4.2 L GAS
- S6 | 2002-2003 | Avant | 8 Cyl 4.2 L GAS
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Audi Knuckle Part Number: 8E0-505-434
$242.76 MSRP: $340.00
You Save: $97.24 (29%)
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Product Specifications
- Other Name: Housing
Fits the following Audi Models:
- S4 | 2004 | Avant, Base, Cabriolet | 8 Cyl 4.2 L GAS
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Audi Knuckle Part Number: 1K0-505-436-Q
$258.65 MSRP: $362.25
You Save: $103.60 (29%)
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Product Specifications
- Other Name: Housing
Fits the following Audi Models:
- A3 Quattro | 2006-2007 | Base | 6 Cyl 3.2 L GAS
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Audi Knuckle Part Number: 8K0-407-254-E
$269.18 MSRP: $377.00
You Save: $107.82 (29%)
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Product Specifications
- Other Name: Housing
- Position: Right
Fits the following Audi Models:
- A5 Quattro | 2008-2009 | Base | 6 Cyl 3.2 L GAS
- S5 | 2008-2009 | Base | 8 Cyl 4.2 L GAS
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Audi Knuckle Part Number: 8E0-505-435-M
$276.32 MSRP: $387.00
You Save: $110.68 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing
- Position: Left
Fits the following Audi Models:
- A6 Quattro | 2000-2003 | Base | 8 Cyl 4.2 L GAS
- S6 | 2002-2003 | Avant | 8 Cyl 4.2 L GAS
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Audi Knuckle Part Number: 4B3-407-257-A
$287.98 MSRP: $403.33
You Save: $115.35 (29%)
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Product Specifications
- Other Name: Housing
- Position: Left
Fits the following Audi Models:
- A6 Quattro | 2000-2001 | Base | 6 Cyl 2.7 L GAS
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Audi Knuckle Part Number: 4B3-407-258-A
$287.98 MSRP: $403.33
You Save: $115.35 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing
- Position: Right
Fits the following Audi Models:
- A6 Quattro | 2000-2001 | Base | 6 Cyl 2.7 L GAS
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Audi Knuckle Part Number: 8K0-407-253-E
$302.26 MSRP: $423.33
You Save: $121.07 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing
- Position: Left
Fits the following Audi Models:
- A5 Quattro | 2008-2009 | Base | 6 Cyl 3.2 L GAS
- S5 | 2008-2009 | Base | 8 Cyl 4.2 L GAS
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Audi Knuckle Part Number: 1EA-407-253-E
$304.64 MSRP: $426.67
You Save: $122.03 (29%)
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Product Specifications
- Other Name: Housing; Knuckle
Fits the following Audi Models:
- Q4 e-tron | 2022 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
- Q4 e-tron Sportback | 2022 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
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Audi Knuckle Part Number: 1EA-407-254-E
$304.64 MSRP: $426.67
You Save: $122.03 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
Fits the following Audi Models:
- Q4 e-tron | 2022 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
- Q4 e-tron Sportback | 2022 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
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Audi Knuckle Part Number: 8N0-407-254
$312.97 MSRP: $438.33
You Save: $125.36 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing
- Position: Right
- Replaces: 1J0-407-254
Fits the following Audi Models:
- TT Quattro | 2004-2006 | Base, Special Edition | 6 Cyl 3.2 L GAS
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Audi Knuckle Part Number: 5Q3-505-435-B
$402.67 MSRP: $563.96
You Save: $161.29 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing; Knuckle
- Position: Left
- Replaces: 5Q3-505-435-A, 5Q3-505-435
Fits the following Audi Models:
- TT Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
- TT RS Quattro | 2018-2022 | Base, Heritage Edition | 5 Cyl 2.5 L GAS
- TTS Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
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Audi Knuckle Part Number: 5Q3-505-436-B
$364.01 MSRP: $509.83
You Save: $145.82 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
- Position: Right
- Replaces: 5Q3-505-436, 5Q3-505-436-A
Fits the following Audi Models:
- TT Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
- TT RS Quattro | 2018-2022 | Base, Heritage Edition | 5 Cyl 2.5 L GAS
- TTS Quattro | 2016-2023 | Base | 4 Cyl 2.0 L GAS
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Audi Knuckle Part Number: 8E0-505-435-L
$322.69 MSRP: $451.95
You Save: $129.26 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing
- Position: Left
Fits the following Audi Models:
- A6 Quattro | 1998-1999 | Avant, Base | 6 Cyl 2.8 L GAS
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Audi Knuckle Part Number: 8D0-407-258-AM
$369.78 MSRP: $517.90
You Save: $148.12 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing
- Position: Right
- Replaces: 8D0-407-258-AE
Fits the following Audi Models:
- A4 | 1996-2001 | Avant, Base | 6 Cyl 2.8 L GAS
- A4 Quattro | 1996-2001 | Avant, Base | 6 Cyl 2.8 L GAS
- A6 | 1998-2001 | Base | 6 Cyl 2.8 L GAS
- A6 Quattro | 1998-2001 | Avant, Base | 6 Cyl 2.8 L GAS
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Audi Knuckle Part Number: 1EA-407-254-J
$420.18 MSRP: $588.49
You Save: $168.31 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
- Position: Right
Fits the following Audi Models:
- Q4 e-tron | 2022-2024 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
- Q4 e-tron Sportback | 2022-2024 | Premium, Premium Plus, Prestige | BATTERY EV (EV/BEV)
View related parts
Audi Knuckle Part Number: 5WA-407-253-A
$420.18 MSRP: $588.49
You Save: $168.31 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
- Position: Left
Fits the following Audi Models:
- A3 | 2022-2024 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- A3 Quattro | 2022-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- S3 | 2022-2024 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
View More
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Audi Knuckle Part Number: 5WA-407-253-B
$462.20 MSRP: $647.34
You Save: $185.14 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
- Position: Left
Fits the following Audi Models:
- RS3 | 2022-2024 | Base | 5 Cyl 2.5 L GAS
View related parts
Audi Knuckle Part Number: 5WA-407-254-A
$420.18 MSRP: $588.49
You Save: $168.31 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing; Knuckle
- Position: Right
Fits the following Audi Models:
- A3 | 2022-2024 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- A3 Quattro | 2022-2023 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- S3 | 2022-2024 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
View More

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Audi Steering Knuckle

The essential part of the suspension system, the Audi steering knuckle, connects the suspension and wheel assembly. The steering knuckle is directly controlled by the steering wheel. The steering knuckle turns the wheels in your car with a ball joint. It can lead to inaccurate steering angles, asymmetric tire erosion, and even distorted brake pistons if you use a broken steering knuckle when driving. Therefore, car owners should regularly check, repair, or replace it as necessary for their safety while driving at ease.

It is better to choose OEM parts when it comes to the time for fixing them. Why? Because they fit perfectly well and ensure safety. For people who prefer doing their maintenance, the genuine Audi Steering Knuckle is quite perfect. At AudiPartsGiant.com, we specialize in genuine Audi Steering Knuckles only. Also, we offer an extensive online catalog with many categories, ample stock, and secure shopping. The Audi Steering Knuckle is shipped directly from authorized Audi dealers at competitive prices. So trust us, and we will give you nothing but superior service. Depend on us for all your genuine parts needs, and then we will keep your automobile moving smoothly.

Audi Steering Knuckle Parts and Q&A

Knuckle
8E0-407-253-H
Q: How to replace the steering knuckle on Audi A4?
A:
To replace the steering knuckle, first remove the wheel cover and loosen the driveaxle/hub bolt while the vehicle is on its wheels, then loosen the wheel bolts. Chock the rear wheels, apply the parking brake, raise the front of the vehicle, and support it securely on jackstands before removing the front wheel. Next, take out the driveaxle/hub bolt and the ABS wheel speed sensor. Remove the brake caliper without disconnecting the hose and the brake disc, securing the caliper to the coil spring with wire or string. Detach the tie-rod end, lower balljoints, and upper control arms from the steering knuckle. Carefully pull the hub assembly outward while pushing the driveaxle from the hub, using a soft-faced hammer if necessary, and support the driveaxle to avoid letting it hang. For installation, lubricate the splines of the driveaxle with multi-purpose grease, position the knuckle/hub assembly, and engage it with the driveaxle stub shaft, installing a new driveaxle/hub bolt without tightening it yet. Connect the upper control arms to the knuckle, install the pinch bolt and a new nut, and tighten to the specified torque. Repeat this for the lower control arms, then engage the tie-rod end with the steering knuckle and tighten the retaining bolt and clamp bolt. Install the brake disc and caliper, tightening the caliper mounting bracket bolts and guide pins to the specified torque, followed by the ABS wheel speed sensor. Finally, install the wheel, lower the vehicle, and tighten the driveaxle/hub bolt and wheel bolts to the specified torque.