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Details
| Specification | Value |
|---|---|
| Brand | ERT |
| Fitting Position | Rear Axle |
| Diameter [mm] | 42 mm |
| Brake System | ATE |
OE/OEM numbers (6)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—0004219986
- MERCEDES-BENZ—0034204283
- MERCEDES-BENZ—0044203983
- BMW—34216750163
- BMW—34216765212
- BMW—34216765883
Where this part fits
Original-fit position for OE 0004219986. The red ring marks where this part installs on the vehicle.
About this product
When repair kit brake caliper performance matters, the ERT 400656 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: for OE number: 0044203983, Fitting Position: Rear Axle, Diameter [mm]: 42 mm, Brake System: ATE. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with ALFA ROMEO, BMW, FIAT, MAZDA and 4 other makes vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0004219986, 0034204283, 0044203983, 114-5026 and 17 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERT is a recognised supplier of automotive braking 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.
Suitable cars
Equivalent products (15)
Repair Kit Brake Caliper ERT 400656 — compatible car models
| Car models | ALFA ROMEO: 159 Sportwagon (939); BMW: 1 Convertible (E88), 1 Coupe (E82), 1 (E81), 1 (E87), 3 Compact (E46), 3 Convertible (E46), 3 Convertible (E93), 3 Coupe (E46), 3 Coupe (E92), 3 (E46) (+12 more); FIAT: 500 (312); MAZDA: RX-7 II Convertible; MERCEDES-BENZ: CLS (C218), CLS (C219), CLS Shooting Brake (X218), E-CLASS Platform/Chassis (VF211), E-CLASS T-Model (S211) |
|---|---|
| Engines | 2.4 JTDM (939.BXM1B); 118 d; 116 i; 316 ti; 318 Ci; 318 i; 316 Ci; 316 i; 316 d; 520 d; 630 i; sDrive 16 d; 2.0 d; 4.4 i; 3.0 d (+7 more) |
| Year of manufacture | 1988-2017 |
| Manufacturer article number (MPN) | 400656 |
| OE part numbers | 0004219986, 0034204283, 0044203983, 34216750163, 34216765212, 34216765883 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ERT 400656 . Brake System: ATE. Diameter [mm]: 42 mm. Fitting Position: HA. for OE number: 0044203983
- 1x Repair Kit Brake Caliper
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 Repair Kit Brake Caliper compatible with my car?
This Repair Kit Brake Caliper fits ALFA ROMEO, BMW, FIAT, MAZDA, MERCEDES-BENZ and 3 more 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 ERT Repair Kit Brake Caliper have?
This ERT Repair Kit Brake Caliper has the following specifications: for OE number: 0044203983; Fitting Position: HA; Diameter [mm]: 42 mm; Brake System: ATE. Check the full specifications table above for complete details.
What OE part numbers does this Repair Kit Brake Caliper replace?
This Repair Kit Brake Caliper replaces OE part numbers: 0004219986, 0034204283, 0044203983, 34216750163, 34216765212, 34216765883. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Repair Kit Brake Caliper cost?
This ERT Repair Kit Brake Caliper is available for £8.99. Repair Kit Brake Caliper prices vary depending on brand, specifications, and vehicle compatibility. ERT parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Repair Kit Brake Caliper?
Regular inspection of your Repair Kit Brake Caliper 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 Repair Kit Brake Caliper?
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 Repair Kit Brake Caliper fitted by a professional mechanic.
Can I use this part as a replacement for OE 0004219986?
Yes, this ERT Repair Kit Brake Caliper is a direct replacement for OE part number 0004219986. 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.
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