




DBA 4000 Series T3 Slotted Front Disc & Xtreme Performance Pad Kit 380mm for Ford Mustang (6th Generation)
Availability: Usually in UK/EU stock£650.38 Incl. VAT (UK only)
DBA 4000 Series T3 Slotted Front Disc & Xtreme Performance Pad Kit 380mm (DBA42166S-9021XP). 380mm diameter; 2 × DBA42166S, 1 × DB9021XP. Supplied as 1 kit. Check the full vehicle compatibility table and brake-system notes before ordering.
DBA 4000 Series T3 Slotted Front Disc & Xtreme Performance Pad Kit 380mm (DBA42166S-9021XP) is listed for the specified Ford Mustang (6th Generation) applications below.
Product features
- T3 tri-symmetrical slots provide exit paths for pad dust and gases at the friction surface.
- DBA Thermal Stability Profiling conditions the iron through controlled heat treatment.
- Kangaroo Paw internal ventilation uses DBA’s pillar design to dissipate heat.
- Includes Xtreme Performance pads for applications requiring a higher-friction compound.
- Disc and pad component references are listed below so you can check the complete brake setup.
Kit contents
- 2 × DBA42166S — brake disc
- 1 × DB9021XP — brake pad set
Technical specifications
| Brand | DBA (Disc Brakes Australia) |
|---|---|
| Part number | DBA42166S-9021XP |
| Application position | Front |
| Supplied quantity | 1 kit |
| Supplier-listed product weight [kg] | 34.42 |
Disc specifications — DBA42166S
| Diameter [mm] | 380 |
|---|---|
| Disc ventilation | Kangaroo Paw |
| Number of mounting holes | 5 |
| Centre bore [mm] | 71 |
| Minimum Thickness [mm] | 32 |
| Thickness [mm] | 34 |
| Overall height [mm] | 64 |
| DBA stage | Stage 4 |
| Range | 4000 Series T3 Slotted |
Pad specifications — DB9021XP
| Width [mm] | 189.6 |
|---|---|
| Overall height [mm] | 85.2 |
| Pad thickness [mm] | 15.5 |
| FMSI reference | 9021-D1792 |
| OE reference | FR3Z2001H |
| Axle | Front |
| ECE R90 number | E11 R90-02A01584/53206 |
| Range | Xtreme Performance |
Vehicle compatibility
Match your vehicle’s engine, chassis, production year and brake setup to a listed row. Caliper type, disc size, wheel specification and brake-package notes can change which part fits.
| Make | Model / chassis | Engine / variant | Years | Axle | Brake-system notes |
|---|---|---|---|---|---|
| Ford | Mustang (6th Generation) | 5.0 416BHP (2015-2024) | 2015-2024 | Front | Match the technical specifications |
Fitting and technical documents
Supply and fitting at DNA4x4
DNA4x4 can supply your DBA brakes and arrange workshop fitting. Contact us with your registration or VIN if you need help checking the correct brake specification for your vehicle.
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| Weight | 34.42 kg |
|---|---|
| brand | DBA |
| product type | Disc & Xtreme Performance Pad Kit |
| dba range | 4000 Series T3 Slotted |
| axle position | Front |
| disc diameter (mm) | 380 |
| thickness [mm] | 34 |
| overall height [mm] | 64 |
| centre bore [mm] | 71 |
| disc ventilation | Kangaroo Paw |
| number of mounting holes | 5 |
Items are usually dispatched within 2-3 business days delivery, but may take longer on custom made products. Delivery may take several weeks for products that aren't in UK or EU stock, but we will contact you with a delivery estimate if this applies to you, once you have ordered.









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