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$20.37The Story
Rear Brake Pads for Audi Performance Models
R1 Concepts R1 Optimum OE Pads part number 2552-1898-00 are rear disc brake pads for select Audi applications. This pad set is built for drivers replacing worn rear pads on Audi A4 Quattro, S4, S5, S5 Sportback, SQ5, Q5, RS5, and RS5 Sportback models from 2018 through 2020.
Key Features
- Rear disc brake pad set for select Audi vehicles
- R1 Optimum OE Pads product line
- Part number 2552-1898-00 for ordering and fitment lookup
- Direct replacement format for rear brake service
- Requires the specified wear sensor by application: BPS-73021 or BPS-74004
Compatible With Select Audi Rear Applications
Fits 2018-2020 Audi A4 Quattro, rear. Fits 2018-2020 Audi S4, rear. Fits 2019-2020 Audi S5, rear. Fits 2018-2020 Audi S5 Sportback, rear. Fits 2018-2020 Audi SQ5, rear. Fits 2018-2019 Audi Q5, rear. Fits 2018-2019 Audi RS5, rear. Fits 2019 Audi RS5 Sportback, rear. The R1 Optimum OE Pads line focuses on OE-style replacement coverage for these rear brake applications, and 2552-1898-00 is the reference number to verify before purchase.
Common Brake Service Issues
- Rear brake pad wear that triggers replacement intervals
- Squealing or noise from worn rear pads
- Reduced braking response from thin friction material
- Uneven rear brake performance during routine service
- Wear sensor replacement needs on supported Audi rear brake systems
Installation Notes
Confirm rear fitment by year, model, and sensor requirement before installation. This application calls for BPS-73021 on A4 Quattro, S4, S5, S5 Sportback, RS5, and RS5 Sportback listings, and BPS-74004 on SQ5 and Q5 listings. Inspect rotors, caliper condition, and pad hardware wear during service, and follow the vehicle manufacturer’s brake service procedure.
Quality Assurance
R1 Concepts identifies this set as part of its R1 Optimum OE Pads line, built for OE-style rear brake replacement on the listed Audi models. Part number 2552-1898-00 helps ensure the correct application is selected for the vehicle.
Description
Rear Brake Pads for Audi Performance Models
R1 Concepts R1 Optimum OE Pads part number 2552-1898-00 are rear disc brake pads for select Audi applications. This pad set is built for drivers replacing worn rear pads on Audi A4 Quattro, S4, S5, S5 Sportback, SQ5, Q5, RS5, and RS5 Sportback models from 2018 through 2020.
Key Features
- Rear disc brake pad set for select Audi vehicles
- R1 Optimum OE Pads product line
- Part number 2552-1898-00 for ordering and fitment lookup
- Direct replacement format for rear brake service
- Requires the specified wear sensor by application: BPS-73021 or BPS-74004
Compatible With Select Audi Rear Applications
Fits 2018-2020 Audi A4 Quattro, rear. Fits 2018-2020 Audi S4, rear. Fits 2019-2020 Audi S5, rear. Fits 2018-2020 Audi S5 Sportback, rear. Fits 2018-2020 Audi SQ5, rear. Fits 2018-2019 Audi Q5, rear. Fits 2018-2019 Audi RS5, rear. Fits 2019 Audi RS5 Sportback, rear. The R1 Optimum OE Pads line focuses on OE-style replacement coverage for these rear brake applications, and 2552-1898-00 is the reference number to verify before purchase.
Common Brake Service Issues
- Rear brake pad wear that triggers replacement intervals
- Squealing or noise from worn rear pads
- Reduced braking response from thin friction material
- Uneven rear brake performance during routine service
- Wear sensor replacement needs on supported Audi rear brake systems
Installation Notes
Confirm rear fitment by year, model, and sensor requirement before installation. This application calls for BPS-73021 on A4 Quattro, S4, S5, S5 Sportback, RS5, and RS5 Sportback listings, and BPS-74004 on SQ5 and Q5 listings. Inspect rotors, caliper condition, and pad hardware wear during service, and follow the vehicle manufacturer’s brake service procedure.
Quality Assurance
R1 Concepts identifies this set as part of its R1 Optimum OE Pads line, built for OE-style rear brake replacement on the listed Audi models. Part number 2552-1898-00 helps ensure the correct application is selected for the vehicle.












