KD7633 S-01 Rear Brake Pads - Audi A5 / S5 / A4

Barbaro Racing KD7633 S-01 rear brake pads for Audi A5 / S5 / A4 / Q5 / S4 / A7 / A8L / Q7 / A6L. S-01 is Barbaro's semi-metallic street and track-day compound (800°C, μ 0.35–0.50). Pad shape KD7633: 129.2 × 59.1 × 16.9 mm; interchanges with FMSI D1898-9126.

Specifications

Barbaro part number	KD7633
Compound	S-01 — Semi-metallic
Barbaro factory code (SKU)	D76330N6
Axle	Rear
Dimensions (L × H × T)	129.2 × 59.1 × 16.9 mm
Friction material height	49 mm
Supplied as	One axle set
Also available for KD7633	KD7633 C-01 Premium Street, KD7633 CSI-01B Carbon-Ceramic

Vehicle fitment

Make	Model	Chassis	Years	Engine / variant
Audi	A4	B9, 8W5, 8WD, 8WH, 8WJ	2016–	2.0T(40 TFSI), allroad quattro
Audi	A4 allroad	B9, 8WH, 8WJ	2016–	2.0T(45 TFSI)
Audi	A5	F57, F5E, F53, F5P, F5A, F5F	2017–	2.0T(40 TFSI)
Audi	A7	4G9, 4KA	2018–	3.0T(55 TFSI), 2.0T(40 TFSI), 2.0T(45 TFSI)
Audi	A8L	D5, 4N	2018–	3.0T(50 TFSI)
Audi	Q5	FY	2017–	2.0T
Audi	Q7	4M	2017–	3.0TDI diesel
Audi	S4	B9, 8W2, 8WC	2017–	3.0T
Audi	S5	F57, F5E, F53, F5P, F5A, F5F	2017–	3.0T
Audi	A4L (China · FAW-VW Audi)	B9, 868	2016–	2.0T(40 TFSI), 1.4T(30 TFSI), 1.4T(35 TFSI), 2.0T(35 TFSI), 2.0T(45 TFSI)
Audi	A6L (China · FAW-VW Audi)	C8, 488	2018–	2.0T(55TFSI e) plug-in hybrid, 3.0T(55 TFSI), 2.0T(45 TFSI), 2.0T(40 TFSI)
Audi	A6L (China · FAW Audi)	C8	2018–	45TFSI, 2.0T
Audi	Q5L (China · FAW-VW Audi)	FY, 87I	2017–	2.0T(40 TFSI), 2.0T(45 TFSI)

Fitment is compiled from the Barbaro Racing application catalogue and Barbaro factory data, together with the vehicle listings of the interchange part numbers below. Brake packages can differ within one model — please compare your current pads with the dimensions and drawing, or send us your VIN, before ordering.

Cross-reference / interchange numbers

FMSI	D1898-9126, D1898

Interchange numbers identify the matching pad shape. Friction material, shims and wear-sensor hardware can differ between brands.

About the S-01 compound

S-01 · Where street meets track

Semi-metallic compound for street performance and track-day duty. Superior controlled deceleration at speed, excellent noise compatibility — and proven on the rear axle of professional race cars.

Temperature rating: 800°C
Friction: μ 0.35–0.50
Formula: Semi-metallic
800°C maximum temperature rating
Street-legal track day capability
Superior high-speed deceleration control
Pro-level rear axle performance
Ideal for: Track days, heavy high-performance street cars and race-car rear axles

S-01 full specifications on barbaro-racing.com

About Barbaro Racing

Barbaro Racing (野蛮人) is the performance brand of the CAC Racing Division — proprietary compounds developed entirely in-house. Development begins on the dynamometer and ends on the circuit: every friction formula is bench-tested to destruction before earning the right to carry the Barbaro name. All compounds are validated against GB5763-2018 national standards; Street Series compounds are asbestos-free.