MG4 I , MG ZS & MG 5 Front Brake Disc – 300mm
These front brake discs are a direct replacement for the MG 4 (SE and trophy) , MG ZS and MG 5 electric vehicles. With a 300 mm diameter, ventilated design and coated surface, they deliver strong braking performance, effective heat dissipation and good corrosion protection — ideal for UK roads and weather conditions.
Key Benefits
- Strong and consistent braking performance
- Ventilated design for effective heat dissipation
- Coated surface for corrosion protection
- Direct fit replacement
- High-quality aftermarket construction
Specifications
- Outer Diameter: 300 mm
- Brake Disc Thickness: 25 mm
- Minimum Thickness: 23 mm
- Brake Disc Type: Ventilated
- Surface: Coated
- Centre Diameter: 65 mm
- Height: 46.7 mm
- No. of Wheel Bolt Holes: 5
Compatibility
Fits the following MG electric models:
- MG 4 I (2022 onwards) – 99 kW to 180 kW variants
- MG ZS II (2017 onwards) – 105 kW to 130 kW variants
- MG 5 (2020 onwards) – 115 kW and 130 kW variants
Installation
Professional installation recommended. Always replace brake discs in pairs and bed in new discs correctly for optimal performance and safety.
Pro tip: Replace the front brake pads at the same time as the discs for balanced braking and best long-term results.
Explore More MG Brake Parts
| Attributes | |
|---|---|
| Fitting position | Front |
| Fitting side | Right / Left |
| Outer diameter | 300.0 mm |
| Thickness | 25.0 mm |
| Minimum thickness | 23.0 mm |
| Total height | 46.7 mm |
| Number of fitting holes | 5 |
| Disc type | Ventilated |
| Surface | coated |
| Locating hole diameter | 65 mm |
| Hole diameter | 112.0 mm |
| Model | Submodel |
|---|---|
| MG 4 I (EH) 2022 – | (E) – 125 kW / 170 hp |
| MG 4 I (EH) 2022 – | (E) – 150 kW / 204 hp |
| MG 4 I (EH) 2022 – | (E) – 180 kW / 245 hp |
| MG 4 I (EH) 2022 – | (E) – 99 kW / 135 hp |
| ZS II (CS) 2017 – | (E) – 105 kW / 143 hp |
| ZS II (NA) 2020 – | (E) – 115 kW / 156 hp |
| ZS II (ZS) 2017 – | (E) – 130 kW / 177 hp |
MG ZS, MG5 & MG 6 Front Brake Disc FAQs
Which MG models do these front brake discs fit?
Fits MG 4 I, MG ZS II and MG 5 electric models (specific power outputs). Please provide your vehicle registration number for exact confirmation.
Is this a single disc or a pair?
This is a single disc. Order two discs to replace both sides of the front axle.
Should I replace the pads at the same time?
Yes – it is highly recommended to replace discs and pads together for balanced braking performance and safety.
Do I need a wheel alignment after fitting?
No – brake disc replacement does not normally require a wheel alignment.
Is this an original MG part or aftermarket?
This is a high-quality aftermarket brake disc that matches original specifications and performance.
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