Suspension Air Spring BILSTEIN 40-303444 OE Ref 2123203925

Key Specification:
  • EAN: 4025258842024
  • Fitting Position: Rear Axle Left
  • for OE number: 212 320 21 25
  • for OE number: 212 320 39 25
  • for OE number: A 212 320 21 25
Sale
£ 464
£ 386.67 excl. VAT
In Stock
SKU:BILSTEIN 40-303444
BrandBILSTEIN
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EAN
4025258842024
Fitting Position
Rear Axle Left
for OE number
212 320 21 25
for OE number
212 320 39 25
for OE number
A 212 320 21 25
for OE number
A 212 320 39 25
OEM Reference number
2123202125
paired article number
40-303437
PURPOSE GROUP
Suspension
Spring Design
Air Spring
Supplementary Info
Air Spring
Suspension
10

Suspension Air Spring BILSTEIN OE Ref 2123203925 – BILSTEIN – OEM 2123202125

This part from BILSTEIN is designed as a direct replacement for OEM reference 2123202125. Manufactured to meet original equipment standards, it is suitable for selected MERCEDES-BENZ vehicles and intended to restore correct system operation.

It is supplied under manufacturer reference 40-303444 with EAN 4025258842024, allowing accurate identification and compatibility checks. This component is commonly used to replace worn, damaged, or faulty units where reliable performance is required.

The product is intended as a like-for-like replacement and should be installed according to manufacturer guidelines. Depending on vehicle design and component location, professional installation may be recommended.

Why Choose This Part?

  • Direct replacement for OEM reference 2123202125
  • Manufactured by BILSTEIN
  • Clearly identified by SKU 40-303444 and EAN 4025258842024
  • Covered by our standard returns policy

Vehicle Compatibility

Compatible with selected MERCEDES-BENZ models. Please confirm fitment using OEM reference 2123202125 or our vehicle registration lookup tool before ordering.

Looking for alternatives? Browse our full range of Suspension parts to find the correct option for your vehicle.

Reference number(s) comparable with the original spare part number
OE reference number(s) comparable with the original spare part number
  1. Berry
    12 Nov, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 OCT, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 AUG, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2025
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2025
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.