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Bring repeatable six-piston braking to the F-150
Brembo 1J1.9023A2 is the exact front big brake kit described here. Red cast six-piston front calipers, matched to the verified configuration and application below.
Key Features
- 1J1.9023A2: Red cast six-piston front calipers
- 380x34 mm two-piece drilled front rotors
- Brembo-engineered CNC billet caliper adapters
- Installation hardware and vehicle-specific brake lines
- Designed for original ride height; excludes Raptor
Fitment
Use 1J1.9023A2 only for the applications and exclusions below.
| Years | Make | Model or Application | Details |
|---|---|---|---|
| 2021-2024 | Ford | F-150 | King Ranch, Lariat, Platinum, Police Responder, SSV, Tremor, XL and XLT |
| 2021-2023 | Ford | F-150 | Limited |
| 2024 | Ford | F-150 | STX |
| Excluded | Ford | F-150 | Raptor and vehicles raised above original ride height |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Number | 1J1.9023A2 |
| Brand | Brembo |
| Product Type | Front Big Brake Kit |
| Axle | Front |
| Caliper | Six-piston cast aluminum, red |
| Rotor | 380x34 mm two-piece, drilled |
| Vehicle Stance | Original ride height |
What's Included
- Exact 1J1.9023A2 package: Pair of red six-piston front calipers
- Pair of 380x34 mm drilled two-piece front rotors
- CNC billet caliper adapters
- Vehicle-specific brake lines and required installation hardware
About Brembo
Brembo engineers original-equipment and performance braking systems around matched calipers, rotors, hydraulic components and vehicle-specific mounting geometry. GT systems require exact application and wheel-clearance verification before installation.
Related Parts
- Brake fluid meeting Brembo and vehicle requirements
- Replacement pads specified for this exact caliper
- Wheel-clearance template for the exact GT system
- Only exact-system replacement rotor rings and hardware
FAQ
What is the 1J1.9023A2?It is the Brembo front big brake kit in the exact configuration and application described on this page.
How should compatibility be confirmed?Match every application, dimension, mounting point, interface and exclusion shown in the Fitment and Specifications sections.
Is the pictured configuration the item being sold?Yes. The retained gallery shows the verified product configuration and quantity; standalone logos and text-only graphics are excluded.
Are unrelated installation parts included?No. Components not shown or listed in What's Included must be sourced separately when the installation requires them.
Is professional installation recommended?Yes when the work affects brakes, cooling, wiring, vehicle safety or calibrated operating systems.
Can a similar-looking part be substituted?No. Similar products can differ in mounting geometry, temperature, rotor pattern, wiring, dimensions or included components.
What should be inspected before installation?Inspect the mating surfaces, mounting points, hoses or wiring, clearances and every included component before modifying the vehicle.
What warranty applies?Use the current Brembo warranty terms for this exact product and application.
Installation Instructions
- Confirm the vehicle, trim, factory brake package, original ride height and wheel clearance with the current system template.
- Support the vehicle safely and remove the front wheels, factory calipers, rotors and affected brake-line components using the factory service procedure.
- Clean and inspect the hubs, mounting points and hydraulic connections; replace damaged or corroded components before assembly.
- Install the vehicle-specific adapters, rotors, calipers, pads and lines in the supplied orientation, using the current Brembo fastener and torque procedure.
- Bleed the hydraulic system with the specified brake fluid and inspect every connection for leaks.
- Verify wheel and tire clearance through a complete steering range before lowering the vehicle.
- Bed the pads and rotors according to the current Brembo procedure, then recheck fluid level, fastener torque and braking operation.
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