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Master Cylinder TRW PNA109 OE Ref 8D1 721 401 B TRW

Key Specification:

Diameter [mm]: 19.05
EAN: 3322937266906
Material: Aluminium
OEM Reference number: 8D1721401
PURPOSE GROUP: Master Cylinder

See Full Specification

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£ 236.00

£ 178.42 excl. VAT

In Stock

SKU:	TRW PNA109
Brand	TRW

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Specification
Description
OEM Numbers
Compatibilities
Reviews

Diameter [mm]

19.05

EAN

3322937266906

Material

Aluminium

OEM Reference number

8D1721401

PURPOSE GROUP

Master Cylinder

Master Cylinder TRW PNA109 OE Ref 8D1 721 401 B

Master Cylinder OE Ref 8D1 721 401 B – TRW – OEM 8D1721401

This Master Cylinder OE Ref 8D1 721 401 B is supplied by TRW as a replacement for OEM reference 8D1721401. It is intended for use in selected AUDI, VW vehicles and designed to meet original equipment fit and function requirements.

The part is identified by manufacturer reference PNA109 and EAN EAN: 3322937266906, allowing accurate product identification and compatibility checks before installation. It is suitable for replacing worn, damaged, or non-functioning components where reliable operation is required.

Correct part selection is essential to ensure proper fitment. Please verify compatibility by matching the OEM reference number or using the vehicle registration lookup tool before ordering.

Vehicle Compatibility

Compatible with selected AUDI, VW models. Full compatibility details are available in the Compatibility section of this page.

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

AUDI 8D1 721 401 AUDI 8D1 721 401 B VW 8D1 721 401 VW 8D1 721 401 B

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

AUDI

AUDI A4 B5 (8D2) From 11/1994 to 12/2001

1.8 quattro 4WD 07/1995-11/2000, 85 kw, 1781 ccm, 115 PS, Saloon, Petrol , ENG: AFY

2.8 quattro 4WD 01/1995-07/1997, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH, AFC

1.9 TDI quattro 4WD 09/1996-11/2000, 81 kw, 1896 ccm, 110 PS, Saloon, Diesel , ENG: AFN, AVG

1.8 T quattro 4WD 01/1995-11/2000, 110 kw, 1781 ccm, 150 PS, Saloon, Petrol , ENG: ATW, AEB, AWT, ARK, ANB, APU

2.8 quattro 4WD 10/1996-08/2001, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: ATQ, ACK, AMX, APR, AHA, ALG, AQD

1.9 TDI 4WD 01/1995-11/2000, 66 kw, 1896 ccm, 90 PS, Saloon, Diesel , ENG: 1Z, AHH, AHU

2.8 4WD 10/1996-11/2000, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: ATQ, ACK, AMX, APR, AHA, ALG, AQD

2.6 4WD 01/1995-11/2000, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

1.8 4WD 11/1994-11/2000, 92 kw, 1781 ccm, 125 PS, Saloon, Petrol , ENG: ARG, ADR, AVV, APT

2.4 4WD 07/1995-07/1997, 110 kw, 2393 ccm, 150 PS, Saloon, Petrol , ENG: AFM

1.9 TDI 4WD 10/1995-11/2000, 81 kw, 1896 ccm, 110 PS, Saloon, Diesel , ENG: AFN, AVG

1.8 4WD 04/1995-11/2000, 85 kw, 1781 ccm, 115 PS, Saloon, Petrol , ENG: AFY

1.9 TDI 4WD 12/1995-11/2000, 55 kw, 1896 ccm, 75 PS, Saloon, Diesel , ENG: AFF

2.6 quattro 4WD 01/1995-11/2000, 110 kw, 2598 ccm, 150 PS, Saloon, Petrol , ENG: ABC

1.8 quattro 4WD 01/1995-11/2000, 92 kw, 1781 ccm, 125 PS, Saloon, Petrol , ENG: ARG, ADR, APT

2.8 4WD 09/1995-07/1997, 128 kw, 2771 ccm, 174 PS, Saloon, Petrol , ENG: AAH, AFC

1.8 T 4WD 01/1995-11/2000, 110 kw, 1781 ccm, 150 PS, Saloon, Petrol , ENG: ATW, AEB, AWT, ARK, ANB, APU

1.6 4WD 11/1994-10/2000, 74 kw, 1595 ccm, 100 PS, Saloon, Petrol , ENG: AHL, ANA, ARM, ADP

2.6 4WD 01/1996-07/1997, 102 kw, 2598 ccm, 139 PS, Saloon, Petrol , ENG: ACZ

AUDI A4 B5 Avant (8D5) From 11/1994 to 12/2002

1.8 T 4WD 03/1996-09/2001, 110 kw, 1781 ccm, 150 PS, Estate, Petrol , ENG: AEB, AWT, ARK, ANB, APU

1.8 quattro 4WD 07/1995-09/2001, 85 kw, 1781 ccm, 115 PS, Estate, Petrol , ENG: AFY

1.6 4WD 11/1994-09/2001, 74 kw, 1595 ccm, 100 PS, Estate, Petrol , ENG: AHL, ANA, ARM, ADP

1.8 T quattro 4WD 01/1996-09/2001, 110 kw, 1781 ccm, 150 PS, Estate, Petrol , ENG: ATW, AEB, AWT, ARK, ANB, APU

1.9 TDI 4WD 02/1996-09/2001, 81 kw, 1896 ccm, 110 PS, Estate, Diesel , ENG: AFN, AVG

2.6 4WD 02/1996-09/2001, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

1.8 4WD 02/1996-09/2001, 92 kw, 1781 ccm, 125 PS, Estate, Petrol , ENG: ARG, ADR, AVV, APT

1.8 4WD 07/1995-09/2001, 85 kw, 1781 ccm, 115 PS, Estate, Petrol , ENG: AFY

1.9 TDI quattro 4WD 09/1996-09/2001, 81 kw, 1896 ccm, 110 PS, Estate, Diesel , ENG: AFN, AVG

2.8 quattro 4WD 10/1996-09/2001, 142 kw, 2771 ccm, 193 PS, Estate, Petrol , ENG: ATQ, ACK, AMX, APR, AHA, ALG, AQD

2.8 4WD 10/1996-09/2001, 142 kw, 2771 ccm, 193 PS, Estate, Petrol , ENG: ACK, APR, AHA, ALG, AQD

2.6 quattro 4WD 01/1996-09/2001, 110 kw, 2598 ccm, 150 PS, Estate, Petrol , ENG: ABC

1.8 quattro 4WD 01/1996-09/2001, 92 kw, 1781 ccm, 125 PS, Estate, Petrol , ENG: ARG, ADR, APT

1.9 TDI 4WD 02/1996-09/2001, 66 kw, 1896 ccm, 90 PS, Estate, Diesel , ENG: 1Z, AHH, AHU

AUDI A6 C5 (4B2) From 01/1997 to 12/2005

2.4 4WD 07/1998-01/2005, 100 kw, 2393 ccm, 136 PS, Saloon, Petrol , ENG: ALW, ASM, ARN

2.8 4WD 07/1999-01/2005, 140 kw, 2771 ccm, 190 PS, Saloon, Petrol , ENG: ATX

1.8 4WD 05/1997-01/2005, 85 kw, 1781 ccm, 116 PS, Saloon, Petrol , ENG: AFY

1.9 TDI 4WD 07/2000-01/2005, 85 kw, 1896 ccm, 115 PS, Saloon, Diesel , ENG: AJM

2.4 4WD 02/1997-01/2005, 120 kw, 2393 ccm, 163 PS, Saloon, Petrol , ENG: APZ, AMM, AJG

3.7 4WD 03/1999-01/2005, 191 kw, 3697 ccm, 260 PS, Saloon, Petrol , ENG: AQG

2.4 4WD 02/1997-01/2005, 115 kw, 2393 ccm, 156 PS, Saloon, Petrol , ENG: APC

1.9 TDI 4WD 04/1997-10/2000, 81 kw, 1896 ccm, 110 PS, Saloon, Diesel , ENG: AFN, AVG

2.8 4WD 10/1997-05/2000, 132 kw, 2771 ccm, 180 PS, Saloon, Petrol , ENG: AGE

AUDI A6 C5 Avant (4B5) From 11/1997 to 01/2005

2.4 4WD 12/1997-01/2005, 120 kw, 2393 ccm, 163 PS, Estate, Petrol , ENG: APZ, AMM, AJG

1.8 T 4WD 04/1999-01/2005, 132 kw, 1781 ccm, 180 PS, Estate, Petrol , ENG: AJL

3.7 4WD 03/1999-01/2005, 191 kw, 3697 ccm, 260 PS, Estate, Petrol , ENG: AQG

2.8 4WD 07/1999-01/2005, 140 kw, 2771 ccm, 190 PS, Estate, Petrol , ENG: ATX

1.9 TDI 4WD 02/1998-04/2001, 81 kw, 1896 ccm, 110 PS, Estate, Diesel , ENG: AFN, AVG

2.7 T 4WD 02/1999-01/2005, 169 kw, 2671 ccm, 230 PS, Estate, Petrol , ENG: AJK

1.8 4WD 02/1998-01/2005, 85 kw, 1781 ccm, 116 PS, Estate, Petrol , ENG: AFY

1.9 TDI 4WD 07/2000-01/2005, 85 kw, 1896 ccm, 115 PS, Estate, Diesel , ENG: AJM

VW PASSAT B5 (3B2) From 08/1996 to 12/2001

1.8 T 4WD 10/1996-11/2000, 110 kw, 1781 ccm, 150 PS, Saloon, Petrol , ENG: ANB, APU, ATW, AUG, AEB

1.6 4WD 10/1996-11/2000, 74 kw, 1595 ccm, 101 PS, Saloon, Petrol , ENG: AHL, ADP, ANA, ARM

1.8 4WD 01/1997-11/2000, 85 kw, 1781 ccm, 115 PS, Saloon, Petrol , ENG: AFY

2.0 4WD 04/2000-11/2000, 88 kw, 1984 ccm, 120 PS, Saloon, Petrol , ENG: ASU, AUZ

2.8 V6 4WD 08/1996-11/2000, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: APR, AQD, AHA, ACK

1.9 TDI 4WD 10/1996-11/2000, 81 kw, 1896 ccm, 110 PS, Saloon, Diesel , ENG: AFN, AVG

2.3 VR5 4WD 10/1996-11/2000, 110 kw, 2324 ccm, 150 PS, Saloon, Petrol , ENG: AGZ

1.8 4WD 10/1996-11/2000, 92 kw, 1781 ccm, 125 PS, Saloon, Petrol , ENG: ADR, APT, ARG

2.0 4motion 4WD 04/2000-11/2000, 88 kw, 1984 ccm, 120 PS, Saloon, Petrol , ENG: ASU

1.9 TDI 4WD 10/1996-11/2000, 66 kw, 1896 ccm, 90 PS, Saloon, Diesel , ENG: AHU, AHH

VW PASSAT B5 Estate (3B5) From 05/1997 to 12/2001

2.0 4WD 04/2000-11/2000, 88 kw, 1984 ccm, 120 PS, Estate, Petrol , ENG: ASU, AUZ

2.0 4motion 4WD 04/2000-11/2000, 88 kw, 1984 ccm, 120 PS, Estate, Petrol , ENG: ASU, AUZ

2.8 V6 4WD 06/1997-11/2000, 142 kw, 2771 ccm, 193 PS, Estate, Petrol , ENG: APR, AQD, AHA, ATQ, ACK

VW PASSAT B5.5 (3B3) From 10/2000 to 12/2005

2.8 4WD 05/2002-05/2003, 142 kw, 2771 ccm, 193 PS, Saloon, Petrol , ENG: AMX, ATQ

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.