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AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)
AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)

AP Racing by Essex Radi-CAL CP9660 ENP Caliper Upgrade for AP/Essex 2-pc Discs - Audi TTRS/RS 3 (8V/S)

AP RACING
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SKU 13.01.10105-ENP-STD-STD
$3,749.00 - $4,124.00
$3,749.00
$3,749.00 - $4,124.00
$3,749.00
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

Add Brake Pads: Standard
Add Pad Tension Kit (reduces pad rattle): Standard
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Front AP Racing CP9660 ENP Finish Caliper Kit to mate with AP Racing by Essex 2-pc replacement discs for the 2017+ Audi TT-RS and RS-3:

  • ONLY FOR USE with the AP Racing by Essex 372x34mm, 72 vane AP Racing discs for the Audi TT RS and RS3 vehicles (will not fit OE or other MFG discs):
  • Features AP Racing CP9660 Radi-CAL calipers
  • Jewel-like ENP (Electroless Nickel Plated) caliper finish is incredibly durable and easy to clean
  • Clears OEM wheels without a spacer
  • Nearly as lightweight as the optional OEM Carbon Ceramic front brakes when combined with AP/Essex Discs
  • Pistons sized properly to allow for seamless integration with OEM master cylinder and ABS system
  • Designed to work with OEM rear brakes

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 4 applications
TT
Make Model Engine Years
Audi TT RS Carbon Ceramic Front Disc 2017–2022
Audi TT RS Iron Front Disc 2017–2022
A3
Make Model Engine Years
Audi RS3 Carbon Ceramic Front Disc 2017–2020
Audi RS3 Iron Front Disc 2017–2020

Fitment data last updated: 2026-04-27

Fits 4 vehicle applications Check vehicle fitment before ordering View fitment

About this Brake Caliper

The AP RACING 13.01.10105-ENP-STD-STD brake caliper squeezes the brake pads against the rotor when you press the pedal. Sticking pistons or seized slide pins make the brakes drag or pull and wear pads unevenly.

Frequently asked questions

What does a brake caliper do?

Hydraulic pressure from the brake pedal pushes the caliper's pistons outward, pressing the pads against the rotor to slow the wheel.

What are the signs of a failing caliper?

The car pulling to one side when braking, a hot wheel or burning smell after driving, uneven pad wear, a fluid leak at the caliper, or a spongy pedal.

Should calipers be replaced in pairs?

Replacing both calipers on the same axle keeps braking even and is recommended, especially when one has seized. Replace the pads, and the rotors if needed, at the same time.

What needs to be done after installing a caliper?

Bleed the brake system to remove air, using the brake fluid type your car specifies, and check for leaks. If you are not experienced with brake work, have a professional do it, as brakes are safety-critical.

How do I make sure this brake caliper fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.