Quinton Hazell BDC5725 Front Brake Disc
Replacement Quinton Hazell vented front brake disc for Mazda MX-5 MK3/NC and MK3.5/3.75 NC 1.8 and 2.0 petrol models listed in the compatibility table.
The brake disc provides the rotating friction surface for the front braking system. When the brake pedal is applied, the caliper clamps the brake pads against the disc to generate braking force. BDC5725 is designed as an aftermarket replacement for the original component on the applications listed.
Replacement may be required where the original disc has reached minimum thickness, developed excessive corrosion, scoring, heat damage, vibration or uneven wear.
- Part type: Front brake disc
- Axle: Front
- Brake disc type: Vented
- Diameter: 290 mm
- Disc thickness: 22 mm
- Minimum thickness: 20 mm
- Overall height: 45 mm
- Centre bore: 72 mm
- Number of wheel fixing holes: 5
- PCD: 114.3 mm
- Drilled: No
- Quantity per vehicle: 2
- Quantity supplied: 1 brake disc
- Brand: Quinton Hazell
- Part No.: BDC5725
- EAN: 5050438160024
- Designed as an aftermarket replacement for the original part on the applications listed
Fitment advice: BDC5725 is catalogued for the front axle of Mazda MX-5 NC 1.8 and 2.0 models. Brake discs should normally be replaced as an axle pair to maintain balanced braking performance. For imported, modified or previously repaired cars, matching the part number or component style on the part being replaced is recommended.
Other items to consider: Front brake pads, front brake calipers, brake hoses, caliper slider hardware and brake fluid.
Useful tools / consumables: Brake cleaner, suitable brake grease, piston retraction tool, torque wrench and appropriate hand tools.
Difficulty guide: DIY Difficulty: Moderate to Advanced. Safe vehicle support, clean hub mounting faces and correct tightening procedures are essential.
Why Quinton Hazell? Quinton Hazell is a long-established automotive aftermarket brand, offering dependable replacement parts for servicing and repair. Its components are designed as practical aftermarket replacements for the original parts on the applications listed.
What’s in the box: 1 × Quinton Hazell BDC5725 vented front brake disc.
Installation notes: Replace front brake discs in axle pairs. Clean the hub mounting surface thoroughly before installation, inspect the pads and caliper components, and ensure all fasteners are tightened correctly. Bed new discs and pads in progressively after installation.
| Make | Model | Sub Variant | Chassis / Code | Years | Power (PS) | Engine Codes | Fuel | Transmission | Notes |
|---|---|---|---|---|---|---|---|---|---|
| Mazda | MX-5 MK3 / NC | 1.8 | NC18 | 2005-2009 | 126 | L828 / L831 / L8-DE | Petrol | Manual | Front axle; 290 mm vented disc |
| Mazda | MX-5 MK3 / NC | 2.0 | NC18 | 2005-2009 | 160 | LFG7 / LFG8 / LFY7 / LFZD | Petrol | Manual | Front axle; includes compatible 6-speed Sport applications |
| Mazda | MX-5 MK3.5 / 3.75 / NC | 1.8 | NC18 | 2009-2014 | 126 | L828 / L831 / L8-DE | Petrol | Manual | Front axle; 290 mm vented disc |
| Mazda | MX-5 MK3.5 / 3.75 / NC | 2.0 | NC18 | 2009-2014 | 160 | LFG7 / LFG8 / LFY7 / LFZD | Petrol | Manual | Front axle; includes compatible 6-speed Sport applications |
| Vehicle Manufacturer | OEM Reference Number |
|---|---|
| Mazda | N12Y-33-25X |
| Mazda | N12Y-33-25XA |
| Mazda | N12Y-33-25XB |
| Mazda | N12Y-33-25XC |
| Mazda | NF4Y-33-25X |