TRW PMK103 Brake Master Cylinder – AUDI 80 B4 / 100 C3 C4 / A6 C4 / Cabriolet / Coupe

The TRW PMK103 brake master cylinder is a high-quality hydraulic component designed for a wide range of Audi models, including 100 C3, 100 C4, A6 C4, 80 B4, Cabriolet B3/B4 and Coupe B3. With a 23.8 mm bore and 2 brake line connections (M10x1), this cylinder provides reliable brake pressure distribution for engines from 1.6 to 2.8 (petrol and diesel), model years approximately 1989–2000.

TRW is one of the leading OE suppliers of brake systems. The PMK103 master cylinder is designed to meet manufacturer specifications and is an excellent replacement when the original unit is worn, leaking or causing a soft brake pedal.


✔ Key Features


📐 Product Information

Brand TRW
Manufacturer part number PMK103
Number of connectors 2
Bore diameter D1 23.8 mm
Thread size M10x1
Manufacturer restriction TRW
EAN 3322937037803
Condition Brand new

🔧 OEM Numbers (Audi / VW)

This TRW master cylinder corresponds to the following original part numbers:

Make OE number(s)
AUDI 4A0 611 021 D, 4A0 611 019 A, 4A0 611 021 A, 4A0 611 019 D
VW 4A0611019D, 4A0611021A

📎 Cross-Reference (Aftermarket)

Crosses to the following aftermarket references (for comparison only):

Brand Code(s)
A.B.S. 51907; 51907X
ATE / TEVES 24.2123-1602.3; 27210001093
BENDIX 132866B
BOSCH 0 986 480 832; 986480832
BRAKE ENGINEERING MC1443BE
BREMBO M85011
DELPHI LM30046
FERODO FHM683
FTE 9220317; H2395801; H23958.0.1
GIRLING 4007103
HELLA / HELLA PAGID 8AM 355 503-581
JURID 132865J
LPR 1874
MAGNETI MARELLI 360219130200
METELLI 05-0259
METZGER 202259
NK 824758
OPTIMAL CL-0601
PEX 223304
QUINTON HAZELL HF23021
REMSA / ROADHOUSE C1023.21; 1023.21
TEXTAR 33048600
TRISCAN 813029139
TRW 32066628; PMK103
UBD 82930
WOKING C1023.21

🚗 Compatibility – Popular Audi Models

Brake master cylinder TRW PMK103 is listed for a large number of Audi models. Below is a summary of the most popular applications:

Model Body / Type Engine range Years
Audi 100 C3 Sedan / Avant 2.3 E 1990
Audi 100 C4 Sedan / Avant 2.0 / 2.0E / 2.0E 16V / 2.3E / 2.4D / 2.5 TDI / 2.6 / 2.8E 1990–1994
Audi A6 C4 Sedan / Avant 1.9 TDI / 2.0 / 2.0 16V / 2.3 / 2.5 TDI / 2.6 / 2.8 1994–1997
Audi 80 B4 Sedan / Avant 1.6 / 1.6E / 1.8 / 1.9 TD / 1.9 TDI / 2.0 / 2.0E / 2.0E 16V / 2.3E / 2.6 / 2.8 1991–1996
Audi Cabriolet 8G7 B3/B4 1.8 / 1.9 TDI / 2.0E / 2.0 16V / 2.3E / 2.6 / 2.8 1991–2000
Audi Coupe B3 89 / 8B 2.0 / 2.0 16V / 2.3 / 2.6 / 2.8 1988–1996

Important: please always verify the OEM number and vehicle details (VIN, engine code, PR codes) before ordering. If in doubt, consult your mechanic or parts supplier.


✔ Summary


📦 Shipping & Item Location

Please be aware that the item location is Lithuania.

Most items are shipped out within 24 hours and we endeavour to dispatch all orders within 48 hours (excluding weekends and holidays). We ship worldwide.

Delivery time depends on the delivery service you choose (economy or express), destination, and customs processing time if the address is outside the EU. Once we send the package, it is out of our hands and we have no control over how long it takes to arrive.

If you are buying from outside of the EU, you may be asked to pay additional import fees or taxes upon delivery. You are responsible for covering these costs.


Visit our eBay Store for more great parts:
 JRU.Trade Store