Your selected vehicle

Subtotal	£0.00
Total (Inc VAT)	£0.00

Cart Checkout

Clutch Master Cylinder ATE 03.2419-9610.3 OE Ref 431721401

Key Specification:

Clutch: 5
Diameter [mm]: 19.0
EAN: 4006633116480
OEM Reference number: 4A0721401
PURPOSE GROUP: Master Cylinder

See Full Specification

Sale

£ 149.00

£ 112.81 excl. VAT

Out of stock

SKU:	ATE 03.2419-9610.3
Brand	ATE

Free Shipping
For orders over £75
Top-Notch Support
Monday To Friday
100% Safety
Only secure payments
Hot Offers
Discounts up to 70%

Specification
Description
OEM Numbers
Compatibilities
Reviews

Clutch

Diameter [mm]

19.0

EAN

4006633116480

OEM Reference number

4A0721401

PURPOSE GROUP

Master Cylinder

Supplementary Info

Master Cylinder

Supplementary Info

030029

Clutch Master Cylinder ATE OE Ref 431721401 – ATE – OEM 4A0721401

This Clutch Master Cylinder ATE OE Ref 431721401 is supplied by ATE as a replacement for OEM reference 4A0721401. It is intended for use in selected AUDI vehicles and designed to meet original equipment fit and functional requirements.

The part is identified by manufacturer reference 03.2419-9610.3 and EAN EAN: 4006633116480, allowing accurate identification and compatibility verification prior to installation. It is suitable for replacing worn, damaged, or non-functioning components where dependable operation is required.

Master Cylinder030029

Vehicle Compatibility

Compatible with selected AUDI models. Detailed compatibility information is available in the Compatibility section of this page.

To confirm correct fitment, please verify the OEM reference number or use the vehicle registration lookup tool before ordering.

If this part is not suitable for your vehicle, browse alternative options in our Clutch Parts category.

Reference number(s) comparable with the original spare part number

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

OE reference number(s) comparable with the original spare part number

AUDI

AUDI 100 C2 Avant (435, 436) From 07/1977 to 02/1983

2.1 4WD 07/1977-02/1983, 100 kw, 2144 ccm, 136 PS, Estate, Petrol , ENG: WC, WG

2.0 D 4WD 08/1978-02/1983, 51 kw, 1986 ccm, 70 PS, Estate, Diesel , ENG: CN

2.1 4WD 07/1977-02/1983, 85 kw, 2144 ccm, 115 PS, Estate, Petrol , ENG: WB, WE

AUDI 100 C2 Saloon (431, 433, 434) From 06/1976 to 08/1984

2.1 4WD 10/1977-07/1982, 85 kw, 2144 ccm, 115 PS, Saloon, Petrol , ENG: WB, WE

2.0 D 4WD 08/1978-07/1982, 51 kw, 1986 ccm, 70 PS, Saloon, Diesel , ENG: CN

2.1 4WD 03/1977-07/1982, 100 kw, 2144 ccm, 136 PS, Saloon, Petrol , ENG: WK, WC, WG

AUDI 100 C3 Avant (445, 446) From 08/1982 to 11/1990

2.2 Cat 4WD 06/1989-11/1990, 101 kw, 2226 ccm, 137 PS, Estate, Petrol , ENG: HX, KU

2.1 4WD 08/1982-07/1984, 100 kw, 2144 ccm, 136 PS, Estate, Petrol , ENG: WC

2.0 4WD 09/1986-11/1987, 83 kw, 1994 ccm, 113 PS, Estate, Petrol , ENG: SL

1.8 4WD 02/1986-07/1990, 65 kw, 1781 ccm, 88 PS, Estate, Petrol , ENG: SH

2.3 4WD 03/1990-11/1990, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: NF

1.8 Cat 4WD 03/1985-11/1990, 66 kw, 1781 ccm, 90 PS, Estate, Petrol , ENG: PH, 4B

2.0 TD 4WD 03/1988-11/1990, 74 kw, 1986 ccm, 100 PS, Estate, Diesel , ENG: NC

2.3 E quattro 4WD 08/1986-11/1990, 100 kw, 2309 ccm, 136 PS, Estate, Petrol , ENG: NF

2.3 4WD 08/1986-11/1990, 100 kw, 2309 ccm, 136 PS, Estate, Petrol , ENG: NF

2.2 quattro 4WD 08/1984-12/1988, 101 kw, 2226 ccm, 137 PS, Estate, Petrol , ENG: KU

2.2 4WD 08/1984-12/1988, 101 kw, 2226 ccm, 137 PS, Estate, Petrol , ENG: KU

2.1 4WD 08/1982-07/1984, 96 kw, 2144 ccm, 131 PS, Estate, Petrol , ENG: KF

2.0 E 4WD 01/1985-12/1987, 85 kw, 1994 ccm, 115 PS, Estate, Petrol , ENG: KP

2.0 E Cat 4WD 01/1988-11/1990, 85 kw, 1994 ccm, 115 PS, Estate, Petrol , ENG: RT

1.8 quattro 4WD 10/1984-07/1988, 66 kw, 1781 ccm, 90 PS, Estate, Petrol , ENG: NP, JW

1.8 4WD 08/1983-07/1989, 66 kw, 1781 ccm, 90 PS, Estate, Petrol , ENG: NP, SH, JW, DS

1.8 quattro 4WD 08/1986-07/1990, 65 kw, 1781 ccm, 88 PS, Estate, Petrol , ENG: SH

2.4 D 4WD 08/1989-11/1990, 60 kw, 2370 ccm, 82 PS, Estate, Diesel , ENG: 3D

2.2 E quattro 4WD 08/1985-07/1986, 88 kw, 2226 ccm, 120 PS, Estate, Petrol , ENG: PX

2.5 TDI 4WD 01/1990-11/1990, 88 kw, 2461 ccm, 120 PS, Estate, Diesel , ENG: 1T

2.3 quattro 4WD 01/1990-11/1990, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: NF

2.0 D 4WD 03/1983-11/1990, 51 kw, 1986 ccm, 70 PS, Estate, Diesel , ENG: CN

2.2 Turbo quattro 4WD 08/1986-11/1990, 121 kw, 2226 ccm, 165 PS, Estate, Petrol , ENG: MC

2.2 Turbo 4WD 08/1986-11/1990, 121 kw, 2226 ccm, 165 PS, Estate, Petrol , ENG: MC

AUDI 100 C3 Saloon (443, 444) From 08/1982 to 07/1991

2.5 TDI 4WD 01/1990-11/1990, 88 kw, 2461 ccm, 120 PS, Saloon, Diesel , ENG: 1T

2.0 4WD 08/1984-12/1987, 85 kw, 1994 ccm, 115 PS, Saloon, Petrol , ENG: KP

2.2 4WD 08/1982-07/1984, 96 kw, 2144 ccm, 130 PS, Saloon, Petrol , ENG: KF

2.0 D 4WD 08/1982-07/1988, 51 kw, 1986 ccm, 70 PS, Saloon, Diesel , ENG: CN

1.8 quattro 4WD 10/1984-07/1988, 66 kw, 1781 ccm, 90 PS, Saloon, Petrol , ENG: NP, JW

2.2 Turbo 4WD 08/1986-11/1990, 121 kw, 2226 ccm, 165 PS, Saloon, Petrol , ENG: MC

2.1 4WD 08/1982-07/1984, 100 kw, 2144 ccm, 136 PS, Saloon, Petrol , ENG: WC

2.0 4WD 08/1986-11/1987, 83 kw, 1994 ccm, 113 PS, Saloon, Petrol , ENG: SL

2.3 E quattro 4WD 08/1986-11/1990, 100 kw, 2309 ccm, 136 PS, Saloon, Petrol , ENG: NF

2.2 E quattro 4WD 08/1985-07/1986, 88 kw, 2226 ccm, 120 PS, Saloon, Petrol , ENG: PX

1.8 4WD 02/1986-07/1988, 65 kw, 1781 ccm, 88 PS, Saloon, Petrol , ENG: SH

2.2 quattro 4WD 08/1984-12/1988, 101 kw, 2226 ccm, 137 PS, Saloon, Petrol , ENG: KU

2.2 Cat 4WD 10/1984-12/1987, 101 kw, 2226 ccm, 137 PS, Saloon, Petrol , ENG: HX, KU

2.3 E 4WD 01/1990-11/1990, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: NF

2.0 D Turbo 4WD 03/1988-11/1990, 74 kw, 1986 ccm, 100 PS, Saloon, Diesel , ENG: NC

2.2 4WD 08/1982-07/1984, 79 kw, 2144 ccm, 107 PS, Saloon, Petrol , ENG: WU

2.3 E 4WD 10/1986-11/1990, 100 kw, 2309 ccm, 136 PS, Saloon, Petrol , ENG: NF

1.8 4WD 08/1983-07/1989, 66 kw, 1781 ccm, 90 PS, Saloon, Petrol , ENG: NP, SH, JW, DS

2.2 4WD 08/1984-12/1988, 101 kw, 2226 ccm, 137 PS, Saloon, Petrol , ENG: KU

2.0 Cat 4WD 01/1988-11/1990, 85 kw, 1994 ccm, 115 PS, Saloon, Petrol , ENG: RT

2.3 quattro 4WD 01/1990-11/1990, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: NF

1.8 Cat 4WD 03/1985-11/1990, 66 kw, 1781 ccm, 90 PS, Saloon, Petrol , ENG: PH, 4B

2.2 E Turbo quattro 4WD 08/1986-11/1990, 121 kw, 2226 ccm, 165 PS, Saloon, Petrol , ENG: MC

1.8 quattro 4WD 08/1986-07/1990, 65 kw, 1781 ccm, 88 PS, Saloon, Petrol , ENG: SH

2.4 D 4WD 08/1989-07/1991, 60 kw, 2370 ccm, 82 PS, Saloon, Diesel , ENG: 3D

AUDI 100 C4 Avant (4A5) From 12/1990 to 11/1994

2.8 E 4WD 09/1991-07/1994, 128 kw, 2771 ccm, 174 PS, Estate, Petrol , ENG: AAH

2.0 E 16V quattro 4WD 07/1992-07/1994, 103 kw, 1984 ccm, 140 PS, Estate, Petrol , ENG: ACE

2.6 4WD 03/1992-07/1994, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

2.0 E 4WD 09/1991-07/1994, 85 kw, 1984 ccm, 115 PS, Estate, Petrol , ENG: ABK, AAD

2.5 TDI 4WD 12/1990-07/1994, 85 kw, 2461 ccm, 115 PS, Estate, Diesel , ENG: AAT, ABP

2.8 E quattro 4WD 09/1991-07/1994, 128 kw, 2771 ccm, 174 PS, Estate, Petrol , ENG: AAH

2.4 D 4WD 12/1990-07/1994, 60 kw, 2370 ccm, 82 PS, Estate, Diesel , ENG: AAS

2.6 4WD 07/1993-07/1994, 102 kw, 2598 ccm, 139 PS, Estate, Petrol , ENG: ACZ

2.3 E quattro 4WD 09/1991-07/1994, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: AAR

2.6 E quattro 4WD 08/1993-07/1994, 102 kw, 2598 ccm, 139 PS, Estate, Petrol , ENG: ACZ

2.3 E 4WD 09/1991-07/1994, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: AAR

2.0 E 16V 4WD 07/1992-07/1994, 103 kw, 1984 ccm, 140 PS, Estate, Petrol , ENG: ACE

S4 Turbo quattro 4WD 09/1991-07/1994, 169 kw, 2226 ccm, 230 PS, Estate, Petrol , ENG: AAN

2.0 E 4WD 09/1991-07/1994, 74 kw, 1984 ccm, 100 PS, Estate, Petrol , ENG: AAE

2.6 quattro 4WD 07/1992-07/1994, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

2.0 E quattro 4WD 12/1990-07/1992, 85 kw, 1984 ccm, 115 PS, Estate, Petrol , ENG: AAD

AUDI 100 C4 Saloon (4A2) From 12/1990 to 07/1994

2.4 D 4WD 12/1990-07/1994, 60 kw, 2370 ccm, 82 PS, Saloon, Diesel , ENG: AAS

2.0 E 16V quattro 4WD 07/1992-07/1994, 103 kw, 1984 ccm, 140 PS, Saloon, Petrol , ENG: ACE

2.6 quattro 4WD 04/1992-07/1994, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

S4 Turbo quattro 4WD 08/1991-07/1994, 169 kw, 2226 ccm, 230 PS, Saloon, Petrol , ENG: AAN

2.6 4WD 03/1992-07/1994, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

2.0 E quattro 4WD 12/1990-07/1992, 85 kw, 1984 ccm, 115 PS, Saloon, Petrol , ENG: AAD

2.0 E 4WD 12/1990-07/1994, 85 kw, 1984 ccm, 115 PS, Saloon, Petrol , ENG: ABK, AAD

2.5 TDI 4WD 12/1990-07/1994, 85 kw, 2461 ccm, 115 PS, Saloon, Diesel , ENG: AAT, ABP

2.0 E 16V 4WD 01/1992-07/1994, 103 kw, 1984 ccm, 140 PS, Saloon, Petrol , ENG: ACE

2.8 E quattro 4WD 12/1990-07/1994, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH

2.3 E quattro 4WD 12/1990-07/1994, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: AAR

2.8 E 4WD 12/1990-07/1994, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH

2.6 4WD 07/1993-07/1994, 102 kw, 2598 ccm, 139 PS, Saloon, Petrol , ENG: ACZ

2.3 E 4WD 12/1990-07/1994, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: AAR

2.0 4WD 12/1990-07/1994, 74 kw, 1984 ccm, 100 PS, Saloon, Petrol , ENG: AAE

AUDI 200 C2 Saloon (437, 438) From 10/1979 to 09/1982

2.1 5T 4WD 10/1979-08/1982, 125 kw, 2144 ccm, 170 PS, Saloon, Petrol , ENG: WJ

2.1 5E 4WD 10/1979-09/1982, 100 kw, 2144 ccm, 136 PS, Saloon, Petrol , ENG: WC

AUDI 200 C3 Avant (447, 448) From 09/1983 to 12/1991

2.2 Turbo quattro 4WD 09/1983-12/1990, 121 kw, 2226 ccm, 165 PS, Estate, Petrol , ENG: MC

2.3 4WD 11/1986-09/1991, 100 kw, 2309 ccm, 136 PS, Estate, Petrol , ENG: NF

2.1 Turbo quattro 4WD 09/1983-01/1988, 134 kw, 2144 ccm, 182 PS, Estate, Petrol , ENG: JY, KG

2.2 Turbo 4WD 08/1985-09/1991, 121 kw, 2226 ccm, 165 PS, Estate, Petrol , ENG: MC

AUDI 200 C3 Saloon (447, 448) From 06/1983 to 12/1991

2.1 Turbo quattro 4WD 08/1983-09/1986, 134 kw, 2144 ccm, 182 PS, Saloon, Petrol , ENG: KG

2.2 4WD 08/1984-07/1985, 101 kw, 2226 ccm, 137 PS, Saloon, Petrol , ENG: KU

2.2 Turbo 4WD 02/1988-12/1990, 140 kw, 2226 ccm, 190 PS, Saloon, Petrol , ENG: 2B

2.1 5E 4WD 08/1983-07/1984, 100 kw, 2144 ccm, 136 PS, Saloon, Petrol , ENG: WC, KH

2.2 Turbo quattro 4WD 01/1985-12/1991, 121 kw, 2226 ccm, 165 PS, Saloon, Petrol , ENG: MC

2.2 Turbo 4WD 08/1985-09/1991, 121 kw, 2226 ccm, 165 PS, Saloon, Petrol , ENG: MC

2.2 Turbo 4WD 02/1988-12/1990, 147 kw, 2226 ccm, 200 PS, Saloon, Petrol , ENG: 1B

2.1 Turbo 4WD 08/1983-01/1988, 134 kw, 2144 ccm, 182 PS, Saloon, Petrol , ENG: KG

2.3 4WD 11/1986-09/1991, 100 kw, 2309 ccm, 136 PS, Saloon, Petrol , ENG: NF

AUDI A6 C4 (4A2) From 06/1994 to 10/1997

2.0 4WD 06/1994-10/1997, 74 kw, 1984 ccm, 100 PS, Saloon, Petrol , ENG: AAE

1.8 quattro 4WD 12/1995-10/1997, 92 kw, 1781 ccm, 125 PS, Saloon, Petrol , ENG: ADR

S6 Turbo quattro 4WD 06/1994-10/1997, 169 kw, 2226 ccm, 230 PS, Saloon, Petrol , ENG: AAN

2.5 TDI 4WD 08/1994-10/1997, 103 kw, 2461 ccm, 140 PS, Saloon, Diesel , ENG: AEL

1.8 4WD 12/1995-10/1997, 92 kw, 1781 ccm, 125 PS, Saloon, Petrol , ENG: ADR

2.6 quattro 4WD 06/1994-10/1997, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

1.9 TDI 4WD 06/1994-10/1997, 66 kw, 1896 ccm, 90 PS, Saloon, Diesel , ENG: 1Z, AHU

2.5 TDI 4WD 06/1994-10/1997, 85 kw, 2461 ccm, 116 PS, Saloon, Diesel , ENG: AAT

2.6 4WD 06/1994-10/1997, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

2.0 4WD 06/1994-07/1995, 79 kw, 1984 ccm, 107 PS, Saloon, Petrol , ENG: ADW

2.0 4WD 06/1994-10/1997, 85 kw, 1984 ccm, 115 PS, Saloon, Petrol , ENG: ABK

2.8 quattro 4WD 06/1994-10/1997, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH, AFC

2.5 TDI quattro 4WD 10/1995-10/1997, 103 kw, 2461 ccm, 140 PS, Saloon, Diesel , ENG: AEL

2.0 16V quattro 4WD 06/1994-10/1997, 103 kw, 1984 ccm, 140 PS, Saloon, Petrol , ENG: ACE

2.6 4WD 06/1994-10/1997, 102 kw, 2598 ccm, 139 PS, Saloon, Petrol , ENG: ACZ

2.3 quattro 4WD 06/1994-12/1995, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: AAR

2.3 4WD 06/1994-12/1995, 98 kw, 2309 ccm, 133 PS, Saloon, Petrol , ENG: AAR

2.8 4WD 06/1994-10/1997, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH, AFC

2.8 quattro 4WD 12/1995-10/1997, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: ACK

2.8 4WD 08/1995-07/1996, 120 kw, 2771 ccm, 163 PS, Saloon, Petrol , ENG: AEJ

2.0 16V 4WD 06/1994-10/1997, 103 kw, 1984 ccm, 140 PS, Saloon, Petrol , ENG: ACE

2.8 4WD 12/1995-10/1997, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: ACK

2.4 4WD 07/1995-06/1996, 110 kw, 2393 ccm, 150 PS, Saloon, Petrol , ENG: AFM

AUDI A6 C4 Avant (4A5) From 06/1994 to 12/1997

2.8 quattro 4WD 06/1994-12/1997, 128 kw, 2771 ccm, 174 PS, Estate, Petrol , ENG: AAH, AFC

2.5 TDI quattro 4WD 07/1995-12/1997, 103 kw, 2461 ccm, 140 PS, Estate, Diesel , ENG: AEL

2.5 TDI 4WD 06/1994-12/1997, 85 kw, 2461 ccm, 116 PS, Estate, Diesel , ENG: AAT

2.6 quattro 4WD 06/1994-12/1997, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

2.6 4WD 06/1994-02/1997, 102 kw, 2598 ccm, 139 PS, Estate, Petrol , ENG: ACZ

2.6 4WD 06/1994-12/1997, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

2.3 quattro 4WD 06/1994-12/1995, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: AAR

2.3 4WD 06/1994-12/1995, 98 kw, 2309 ccm, 133 PS, Estate, Petrol , ENG: AAR

2.0 4WD 06/1994-12/1997, 85 kw, 1984 ccm, 115 PS, Estate, Petrol , ENG: ABK

2.8 quattro 4WD 12/1995-12/1997, 142 kw, 2771 ccm, 193 PS, Estate, Petrol , ENG: ACK

2.8 4WD 12/1995-12/1997, 142 kw, 2771 ccm, 193 PS, Estate, Petrol , ENG: ACK

S6 Turbo quattro 4WD 06/1994-12/1997, 169 kw, 2226 ccm, 230 PS, Estate, Petrol , ENG: AAN

1.8 quattro 4WD 12/1995-12/1997, 92 kw, 1781 ccm, 125 PS, Estate, Petrol , ENG: ADR

2.0 16V quattro 4WD 06/1994-12/1997, 103 kw, 1984 ccm, 140 PS, Estate, Petrol , ENG: ACE

2.5 TDI 4WD 08/1994-12/1997, 103 kw, 2461 ccm, 140 PS, Estate, Diesel , ENG: AEL

1.8 4WD 12/1995-12/1997, 92 kw, 1781 ccm, 125 PS, Estate, Petrol , ENG: ADR

1.9 TDI 4WD 06/1994-12/1997, 66 kw, 1896 ccm, 90 PS, Estate, Diesel , ENG: 1Z, AHU

2.8 4WD 06/1994-12/1997, 128 kw, 2771 ccm, 174 PS, Estate, Petrol , ENG: AAH, AFC

2.0 16V 4WD 06/1994-12/1997, 103 kw, 1984 ccm, 140 PS, Estate, Petrol , ENG: ACE

2.0 4WD 06/1994-12/1997, 74 kw, 1984 ccm, 100 PS, Estate, Petrol , ENG: AAE

AUDI V8 (441, 442, 4C2, 4C8) From 10/1988 to 02/1994

3.6 quattro 4WD 04/1993-02/1994, 180 kw, 3562 ccm, 245 PS, Saloon, Petrol , ENG: PT

3.6 quattro 4WD 10/1988-02/1994, 184 kw, 3562 ccm, 250 PS, Saloon, Petrol , ENG: PT

Berry
12 Nov, 2025
elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
Edward & Susan
20 OCT, 2025
These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
Charlie
27 AUG, 2025
eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
Adam Taylor
12 May, 2025
Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
Helena Garcia
2 January, 2025
The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.