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.
| 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 |
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 |
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 |
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.
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