Front Two-Piece Disc Upgrade Kit

Brembo 103.9023A is a GT | TY3 brake-disc upgrade kit. The manufacturer lists 380 mm diameter, 34 mm nominal thickness and two discs per box. Confirm the complete factory brake configuration before ordering.

Key Features

• Front axle disc-upgrade application.
• Manufacturer configuration: GT | TY3.
• Disc diameter: 380 mm; nominal thickness: 34 mm.
• Manufacturer disc construction: 2 pieces.
• Manufacturer package quantity: two brake discs.
• Manufacturer part number: 103.9023A.

Fitment

Before ordering 103.9023A, verify the exact vehicle variant, factory brake equipment, installation position, dimensions and every manufacturer application note. Factory iron and carbon-ceramic brake configurations require separate confirmation. Listed vehicle references below do not establish compatibility with every brake option.

Specifications

What’s Included

• Two Brembo 103.9023A brake discs, consistent with the manufacturer-listed package quantity.

Confirm application-specific brackets, fasteners and other supplied hardware against the exact packing list. Calipers, brake pads, brake fluid and installation tools are separate.

About Brembo

Brembo develops original-equipment and performance braking components. Its UPGRADE disc kits pair application-specific discs with the original-equipment caliper arrangement required for the vehicle.

FAQ

What is the 103.9023A?

It is a Brembo GT | TY3 brake-disc upgrade kit for the front axle, with 380 mm diameter and 34 mm nominal disc thickness.

Does the manufacturer package contain one disc or two?

Brembo lists two discs per box for this exact kit. Select front and rear applications separately.

Are new brake calipers included?

No. This is a disc-upgrade kit designed around the original-equipment caliper configuration specified for its exact application.

Will it fit every vehicle with the listed model name?

No. Verify the exact model variant, production year, factory brake equipment, disc dimensions and every manufacturer application note.

Can factory carbon-ceramic and iron-brake applications be treated as identical?

No. Identify the original brake system and confirm the specific conversion or replacement requirements before ordering.

Are brackets and installation hardware identical for every disc kit?

No. Required brackets and supplied hardware vary by application. Check the exact packing list and fitting diagram; do not assume universal contents.

Does an illustrative catalogue photo establish the final kit contents?

No. Brembo labels UPGRADE catalogue images illustrative. Confirm the exact part number, disc configuration and packing list.

Which wear limit and fitting instructions apply?

Use the minimum disc thickness listed below and the instructions for the exact kit and vehicle. Check each fastener specification and required clearance individually.

Installation Instructions

1. Verify the exact brake configuration, disc dimensions, package contents and application restrictions before disassembly.
2. Follow the supplied Brembo fitting diagram and vehicle service information, including any required bracket, mounting or clearance checks.
3. Inspect hubs, bearings, calipers, pads and service hardware. Confirm disc direction, runout and fastener-specific torque.
4. Complete the specified bedding and operational checks before normal driving.