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Steering knuckle for automobile

Original Steering knuckle catalogue

Information - Stub axle wheel suspension

To understand how the steering knuckle operates in the complex mechanism, it is necessary to understand the following. The car front wheels, which are fixed to the front suspension are needed in order to transfer the engine torque, direct vehicle management, and braking. For the first function - torque transfer - the wheels are connected with the transmission by drive shaft. Concerning the steering knuckle, the wheel hub is fixed on it, and it is also a suspension and steering element. As part of the suspension, it is connected to the Macpherson strut and to the lower arm of the front suspension. Apart from that, the braking system components, such as calipers, are fixed on the knuckle.

Concerning its detailed construction, you should know that the front wheel hub is fixed on the knuckle with two tapered roller bearings. Generally, this part has a quite complicated configuration and is made in most cases of aluminum. This part is manufactured of very durable alloys because of the high load, to which it is submitted. If this item is out of order, the best decision is to go to a car repair center and replace it. If you have had experience in replacing of any parts, you can follow these recommendations.

To replace this part you need to remove the wheel hub together with wheel bearing and mud-reflective shield. After that, you need to pull the pin from the outer tie rod end, and loosen the nut. Using the ball joint puller, remove from the steering knuckle the tie rod end, but very gently, without damaging the ball joint boot. The final step before removing the steering knuckle is the removal from it of the wishbone. You can install the steering knuckle following the instructions in reverse order. If you come to our online store, you will enjoy the purchase at advantageous prices of original spare parts, such as steering rods, ball joints or generators.

What you need to know about steering knuckle replacement: lifetime limits, common defects and their signs, tips and recommendations

Service life of the front steering knuckle or the rear stub axle isn’t limited by certain terms. The components are to be replaced in case of stripped thread, wear-out of the hub bearing seat, arm mounting holes, and in case of cracking. The main defect signs of the steering knuckle are wheels free play, car steerability worsening, and increased tyres wear-out.

Necessity to replace the component can be determined only at a service station. For this specialists need to set the car onto a lifting platform, demount a wheel unit, then remove and inspect rear or front steering knuckle.

The left and right steering knuckles of both axles are replaced only at a service station because non-qualified installation of the spare parts enhances risk of emergency situations during driving. The car is set onto the lifting platform and the appropriate wheel is demounted (for example, the right front wheel if the right steering knuckle on the front axle is to be replaced). Then elements of the brake system are disconnected. The nut fastening the drive shaft to the wheel hub is unscrewed, the hub and the protective cover are removed. Then the steering knuckle is disconnected from the lower arm and the tie rod end, the ABS sensor is demounted. After this the defective steering knuckle is removed and a new component is installed.

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Best goods: Steering knuckle

RIDEX 1159S0019 Steering knuckle Front Axle Right
1159S0019
Article №: 1159S0019
Steering knuckle RIDEX 1159S0019
£ 44,99
incl. 20% VAT, excl. delivery costs
  • for brake disc diameter [mm]: 256
  • Fitting Position: Front Axle Right
  • Required quantity: 1
  • for wheel bearing diameter [mm]: 72
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0017 Steering knuckle Front Axle Left
1159S0017
Article №: 1159S0017
Stub axle RIDEX 1159S0017
£ 58,49
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle Left
  • Diameter [mm]: 50
  • Number of mounting bores: 4
  • for PR number: 1ZF, 1ZM
  • Vehicle Identification Number to: 8P-5A200 000, 8P-5B050 000
  • Required quantity: 1
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0061 Steering knuckle Front Axle Right
1159S0061
Article №: 1159S0061
Stub axle wheel suspension RIDEX 1159S0061
£ 161,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle Right
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0010 Steering knuckle Front, Right
1159S0010
Article №: 1159S0010
Steering knuckle RIDEX 1159S0010
£ 41,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front, Right
  • for wheel bearing diameter [mm]: 74
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0031 Steering knuckle Left
1159S0031
Article №: 1159S0031
Stub axle RIDEX 1159S0031
£ 47,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Left
  • for wheel bearing diameter [mm]: 72
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0081 Steering knuckle Front Axle Right, without wheel hub, without bearing(s)
1159S0081
Article №: 1159S0081
Stub axle wheel suspension RIDEX 1159S0081
£ 54,49
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle Right
  • Inner diameter [mm]: 84
  • Supplementary Article/Info 2: without wheel hub, without bearing(s)
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0013 Steering knuckle Front Axle Left
1159S0013
Article №: 1159S0013
RIDEX 1159S0013 Steering knuckle
£ 55,49
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle Left
  • Diameter [mm]: 50
  • Number of mounting bores: 3
  • Required quantity: 1
  • Condition: New
Details
Over 100 in stock
RIDEX 1159S0012 Steering knuckle Front Axle Right
1159S0012
Article №: 1159S0012
RIDEX 1159S0012 Stub axle
£ 50,99
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle Right
  • Diameter [mm]: 50
  • Number of mounting bores: 3
  • Required quantity: 1
  • Condition: New
Details
Over 100 in stock
TRUCKTEC AUTOMOTIVE 07.31.285 Steering knuckle Front Axle Right
07.31.285
Article №: 07.31.285
TRUCKTEC AUTOMOTIVE 07.31.285 Stub axle wheel suspension
£ 211,49
incl. 20% VAT, excl. delivery costs
  • Trim Level: COBAPRESS
  • for OE number: 8K0 407 254 AB
  • Fitting Position: Front Axle Right
  • Thread Size: M14 X 1,5
  • Support plate diameter [mm]: 28
  • Condition: New
Details
Over 100 in stock
STARK SKSAW-2370018 Steering knuckle Front Axle Left
SKSAW-2370018
Article №: SKSAW-2370018
STARK SKSAW-2370018 Steering knuckle
£ 143,49
incl. 20% VAT, excl. delivery costs
  • for brake disc diameter [mm]: 256
  • Fitting Position: Front Axle Left
  • Required quantity: 1
  • for centre hole diameter of [mm]: 72
  • Condition: New
Details
Over 100 in stock
TRUCKTEC AUTOMOTIVE 07.31.284 Steering knuckle Front Axle Left
07.31.284
Article №: 07.31.284
TRUCKTEC AUTOMOTIVE 07.31.284 Stub axle
£ 191,99
incl. 20% VAT, excl. delivery costs
  • Trim Level: COBAPRESS
  • for OE number: 8K0 407 253 AB
  • Fitting Position: Front Axle Left
  • Thread Size: M14 X 1,5
  • Support plate diameter [mm]: 28
  • Condition: New
Details
Over 100 in stock
BUGIAD BSP25146 Steering knuckle Front Axle, Driver side, Left
BSP25146
Article №: BSP25146
BUGIAD BSP25146 Stub axle wheel suspension
£ 220,49
incl. 20% VAT, excl. delivery costs
  • Fitting Position: Front Axle, Driver side, Left
  • Weight [kg]: 4
  • for OE number: 4G0407253A
  • Trim Level: KSM, bis 02.11.2009
  • Condition: New
Details
Over 100 in stock
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