Product Name

Clutch Master Cylinder

Product No.

ATRS003-AD001

OEM No.

Description

Bore

Year

4A0 721 401
431 721 401
431 721 401A
443 721 401A

100 (43, C2),
100 (44, 44Q, C3),
100 (4A, C4),
100 Avant (43, C2),
100 Avant (44, 44Q, C3),
100 Avant (4A, C4),
200 (43),
200 (44, 44Q),
A6 (4A, C4),
V8 (44_, 4C_),
200 Avant (44, 44Q),
A6 Avant (4B, C5),
A6 Avant (4A, C4)

19mm

(1976/06-1982/07) (1982/08-1990/11) (1990/12-1994/07) (1977/07-1983/02) (1982/08-1990/11) (1990/12-1994/07) (1979/10-1982/09) (1983/06-1991/12) (1994/06-1997/10) (1988/10-1994/02) (1983/09-1991/12) (1997/12-2005/01) (1994/06-1997/12)

Product Name

Clutch Master Cylinder

Product No.

ATRS003-AD002

OEM No.

Description

Bore

Year

4A1 721 401

100 (4A, C4),
A6 (4A, C4),
A6 Avant (4B, C5),
A6 Avant (4A, C4)

19mm

(1990/12-1994/07) (1994/06-1997/10) (1997/12-2005/01) (1994/06-1997/12)

Product Name

Clutch Master Cylinder

Product No.

ATRS003-AD003

OEM No.

Description

Bore

Year

6Q0721388

A3 (8L1),
TT (8N3),
TT Roadster (8N9)

15.9mm

(1996/09-2003/05)
(1998/10-/)
(1999/10-/)