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Details
| Specification | Value |
|---|---|
| Brand | TOPRAN |
| Category | Wheel Bearing Set |
| Fitting Position | Front Left |
| Fitting Position | Front Right |
| Width 1 [mm] | 20 mm |
| Width 2 [mm] | 17 mm |
| Outer Diameter 1 [mm] | 68 mm |
| Outer Diameter 2 [mm] | 45 mm |
| Inner Diameter 1 [mm] | 39 mm |
| Inner Diameter 2 [mm] | 22 mm |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—230 330 03 25
- MERCEDES-BENZ—A230 330 03 25
Where this part fits
Original-fit position for OE A2303300325. The red ring marks where this part installs on the vehicle.
About this product
The TOPRAN Wheel Bearing Set (401 370) 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 Left, Fitting Position: Front Right, Quantity per axle: Aluminium, Width 1 [mm]: 20 mm, Width 2 [mm]: Fibreglass mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit MERCEDES-BENZ 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: 001-51-12681, .005.2003, 014 033 0097, 01.97405 and 156 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN is a recognised supplier of automotive replacement 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About TOPRAN
TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.
Suitable cars
Equivalent products (169)
Show all 169 OE numbers
Wheel Bearing Set TOPRAN 401 370 — compatible car models
| Car models | MERCEDES-BENZ: E-CLASS T-Model (S211), E-CLASS (W211), SL (R230) |
|---|---|
| Engines | 350 CGI (211.257); E 200 CDI (211.004); 280 (230.454) |
| Year of manufacture | 2001-2012 |
| Manufacturer article number (MPN) | 401 370 |
| OE part numbers | 230 330 03 25, A230 330 03 25 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
TOPRAN 401370 Wheel Bearing Set. Fitting Position: VL. Fitting Position: VR. Inner Diameter 1 [mm]: 39 mm. Inner Diameter 2 [mm]: 22 mm. Outer Diameter 1 [mm]: 68 mm. Outer Diameter 2 [mm]: 45 mm. Quantity per axle: 2. Supplementary Article/Info 2: 168
- 1x Wheel Bearing Set
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Wheel Bearing Set compatible with my car?
This Wheel Bearing Set fits MERCEDES-BENZ 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 TOPRAN Wheel Bearing Set have?
This TOPRAN Wheel Bearing Set has the following specifications: Fitting Position: VL; Fitting Position: VR; Quantity per axle: 2; Width 1 [mm]: 20 mm; Width 2 [mm]: 17 mm; Supplementary Article/Info 2: 310. Check the full specifications table above for complete details.
What OE part numbers does this Wheel Bearing Set replace?
This Wheel Bearing Set replaces OE part numbers: 230 330 03 25, A230 330 03 25. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Wheel Bearing Set cost?
This TOPRAN Wheel Bearing Set is available for £25.99. Wheel Bearing Set prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Wheel Bearing Set?
Listen for humming, growling, or grinding noises that change with vehicle speed, or notice play in the wheel when jacked up.
What tools do I need to replace a Wheel Bearing Set?
Tools needed: floor jack, axle stands, hub puller, bearing press or large socket and vice (for pressing), hub nut socket (typically 30-36mm), new hub nut, torque wrench, circlip pliers. Difficulty: Professional recommended. Safety warning: A failed wheel bearing can lead to wheel detachment. On driven axles the hub nut must be torqued to specification (often 200-300 Nm) -- under-torquing is a serious safety risk.
Can I use this part as a replacement for OE 230 330 03 25?
Yes, this TOPRAN Wheel Bearing Set is a direct replacement for OE part number 230 330 03 25. 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.
