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Details
| Specification | Value |
|---|---|
| Brand | AIC |
| Fitting Position | Front Right |
| for wheel bearing diameter [mm] | 90 mm |
OE numbers (1)
Search by this OE number to find compatible parts
- BMW—3121 3 412 020
Where this part fits
Original-fit position for OE 31213412020. The red ring marks where this part installs on the vehicle.
About this product
The AIC Steering Knuckle Wheel Suspension (74664) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Fitting Position: Front Right, paired article number: 74663, for wheel bearing diameter [mm]: 90 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit BMW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 3121 3 412 020, 5481FB0016206, 58162802, 79-01407R and 5 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC is a recognised supplier of automotive suspension components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (9)
Steering Knuckle Wheel Suspension AIC 74664 — compatible car models
| Car models | BMW: X3 (E83) |
|---|---|
| Engines | 2.0 d |
| Year of manufacture | 2003-2011 |
| Manufacturer article number (MPN) | 74664 |
| OE part numbers | 3121 3 412 020 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 74664 Original AIC Quality. Fitting Position: VR. for wheel bearing diameter [mm]: 90 mm. paired article number: 74663
- 1x Steering Knuckle Wheel Suspension
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Steering Knuckle Wheel Suspension compatible with my car?
This Steering Knuckle Wheel Suspension fits BMW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this AIC Steering Knuckle Wheel Suspension have?
This AIC Steering Knuckle Wheel Suspension has the following specifications: Fitting Position: VR; paired article number: 74663; for wheel bearing diameter [mm]: 90 mm. Check the full specifications table above for complete details.
What OE part numbers does this Steering Knuckle Wheel Suspension replace?
This Steering Knuckle Wheel Suspension replaces OE part numbers: 3121 3 412 020. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Steering Knuckle Wheel Suspension cost?
This AIC Steering Knuckle Wheel Suspension is available for £119.99. Steering Knuckle Wheel Suspension prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Steering Knuckle Wheel Suspension?
Regular inspection of your Steering Knuckle Wheel Suspension is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Steering Knuckle Wheel Suspension?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Steering Knuckle Wheel Suspension fitted by a professional mechanic.
Can I use this part as a replacement for OE 3121 3 412 020?
Yes, this AIC Steering Knuckle Wheel Suspension is a direct replacement for OE part number 3121 3 412 020. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
