Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Select vehicle to confirm fitment

Brake Master Cylinder Reservoir

Name: Brake Master Cylinder Reservoir
Brand: Dorman - OE Solutions
Availability: InStock

PART#: 603-642

Dorman - OE Solutions

Add to My Projects

$41.29

Select vehicle to confirm fitment

In stock

Need help? Talk to us, or chat with an expert!

Add to My Projects

Interchanges

Brand	Part #

Volkswagen	8D0611301
Volkswagen	8E0611301
Volkswagen	8A0611301A
Volkswagen	4A0611301K

Fitments

Year	Make	Model	Submodel	Engine	Fuel Type	Position	Note
2002	Audi	A4 Quattro	Base	3.0V6	GAS	N/A	To VIN 8D-1-200 000; wo/Retaining Bolt
2002	Audi	A4 Quattro	Avant	1.8L4	GAS	N/A	To VIN 8D-1-200 000; wo/Retaining Bolt
2002	Audi	A4 Quattro	Base	1.8L4	GAS	N/A	To VIN 8D-1-200 000; wo/Retaining Bolt
2002	Audi	A4 Quattro	Avant	3.0V6	GAS	N/A	To VIN 8D-1-200 000; wo/Retaining Bolt
2002	Audi	S4	Avant	2.7V6	GAS	N/A	To VIN 8D-2-010 000; wo/Retaining Bolt
2002	Audi	S4	Base	2.7V6	GAS	N/A	To VIN 8D-2-010 000; wo/Retaining Bolt
2001	Audi	A4 Quattro	Avant	2.8V6	GAS	N/A	wo/Retaining Bolt
2001	Audi	A4 Quattro	Base	1.8L4	GAS	N/A	wo/Retaining Bolt
2001	Audi	A4 Quattro	Avant	1.8L4	GAS	N/A	wo/Retaining Bolt
2001	Audi	A4 Quattro	Base	2.8V6	GAS	N/A	wo/Retaining Bolt
2001	Audi	A6	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2001	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2001	Audi	A6 Quattro	Base	2.7V6	GAS	N/A	To VIN 4B-X-120 000
2001	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2001	Audi	A6 Quattro	Base	4.2V8	GAS	N/A	To VIN 4B-X-120 000
2001	Audi	S4	Avant	2.7V6	GAS	N/A	wo/Retaining Bolt
2001	Audi	S4	Base	2.7V6	GAS	N/A	wo/Retaining Bolt
2001	Volkswagen	Passat	GLS	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2001	Volkswagen	Passat	GLX	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2001	Volkswagen	Passat	GLS	1.8L4	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2001	Volkswagen	Passat	GLX 4 Motion	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2001	Volkswagen	Passat	GLS 4 Motion	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2000	Audi	A4 Quattro	Base	2.8V6	GAS	N/A	wo/Retaining Bolt
2000	Audi	A4 Quattro	Avant	2.8V6	GAS	N/A	wo/Retaining Bolt
2000	Audi	A4 Quattro	Base	1.8L4	GAS	N/A	wo/Retaining Bolt
2000	Audi	A4 Quattro	Avant	1.8L4	GAS	N/A	wo/Retaining Bolt
2000	Audi	A6	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2000	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2000	Audi	A6 Quattro	Base	4.2V8	GAS	N/A	To VIN 4B-X-120 000
2000	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
2000	Audi	A6 Quattro	Base	2.7V6	GAS	N/A	To VIN 4B-X-120 000
2000	Audi	S4	Base	2.7V6	GAS	N/A	wo/Retaining Bolt
2000	Volkswagen	Passat	4 Motion	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2000	Volkswagen	Passat	GLS	1.8L4	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2000	Volkswagen	Passat	GLS	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
2000	Volkswagen	Passat	GLX	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
1999	Audi	A4	Base	1.8L4	GAS	N/A	To VIN 8D-X-199 999
1999	Audi	A4	Base	2.8V6	GAS	N/A	To VIN 8D-X-199 999
1999	Audi	A4 Quattro	Base	1.8L4	GAS	N/A	wo/Retaining Bolt
1999	Audi	A4 Quattro	Base	2.8V6	GAS	N/A	wo/Retaining Bolt
1999	Audi	A4 Quattro	Avant	1.8L4	GAS	N/A	wo/Retaining Bolt
1999	Audi	A4 Quattro	Avant	2.8V6	GAS	N/A	wo/Retaining Bolt
1999	Audi	A6	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
1999	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
1999	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	To VIN 4B-X-120 000
1999	Volkswagen	Passat	GLX	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
1999	Volkswagen	Passat	GLS	1.8L4	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
1999	Volkswagen	Passat	GLS	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| AWD; \| FWD;
1998	Audi	A4	Base	2.8V6	GAS	N/A
1998	Audi	A4	Base	1.8L4	GAS	N/A
1998	Audi	A4	Avant	2.8V6	GAS	N/A
1998	Audi	A4 Quattro	Base	1.8L4	GAS	N/A
1998	Audi	A4 Quattro	Base	2.8V6	GAS	N/A
1998	Audi	A4 Quattro	Avant	2.8V6	GAS	N/A
1998	Audi	A6	Base	2.8V6	GAS	N/A	To VIN 4B-X-120 000
1998	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	From VIN 4B-W-000 001; To VIN 4B-X-120 000
1998	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	From VIN 4B-W-000 001; To VIN 4B-X-120 000
1998	Audi	Cabriolet	Base	2.8V6	GAS	N/A	Exc. Traction Control
1998	Volkswagen	Passat	GLS	1.8L4	GAS	N/A	To VIN 3B-X-491 580 \| FWD;
1998	Volkswagen	Passat	GLS	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| FWD;
1998	Volkswagen	Passat	GLX	2.8V6	GAS	N/A	To VIN 3B-X-491 580 \| FWD;
1997	Audi	A4	Base	1.8L4	GAS	N/A
1997	Audi	A4	Base	2.8V6	GAS	N/A
1997	Audi	A4 Quattro	Base	1.8L4	GAS	N/A
1997	Audi	A4 Quattro	Base	2.8V6	GAS	N/A
1997	Audi	A6	Base	2.8V6	GAS	N/A
1997	Audi	A6	Avant	2.8V6	GAS	N/A
1997	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	\| Engine Code: AFC;
1997	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	\| Engine Code: AFC;
1997	Audi	Cabriolet	Base	2.8V6	GAS	N/A	Exc. Traction Control
1996	Audi	A4	Base	2.8V6	GAS	N/A
1996	Audi	A4 Quattro	Base	2.8V6	GAS	N/A
1996	Audi	A6	Avant	2.8V6	GAS	N/A
1996	Audi	A6	Base	2.8V6	GAS	N/A
1996	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	\| Engine Code: AFC;
1996	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	\| Engine Code: AFC;
1996	Audi	Cabriolet	Base	2.8V6	GAS	N/A	Exc. Traction Control
1995	Audi	90	Base	2.8V6	GAS	N/A
1995	Audi	90	Sport	2.8V6	GAS	N/A
1995	Audi	90 Quattro	Base	2.8V6	GAS	N/A
1995	Audi	90 Quattro	Sport	2.8V6	GAS	N/A
1995	Audi	A6	Avant	2.8V6	GAS	N/A	wo/Electronic Differential \| 4-Wheel ABS;
1995	Audi	A6	Base	2.8V6	GAS	N/A	wo/Electronic Differential \| 4-Wheel ABS;
1995	Audi	A6 Quattro	Base	2.8V6	GAS	N/A	\| Engine Code: AFC;
1995	Audi	A6 Quattro	Avant	2.8V6	GAS	N/A	\| Engine Code: AFC;
1995	Audi	Cabriolet	Base	2.8V6	GAS	N/A	Exc. Traction Control
1994	Audi	100	CS	2.8V6	GAS	N/A
1994	Audi	100	S	2.8V6	GAS	N/A
1994	Audi	100 Quattro	CS	2.8V6	GAS	N/A
1994	Audi	90	S	2.8V6	GAS	N/A
1994	Audi	90	CS	2.8V6	GAS	N/A
1994	Audi	90 Quattro	CS	2.8V6	GAS	N/A
1994	Audi	Cabriolet	Base	2.8V6	GAS	N/A	Exc. Traction Control
1993	Audi	100	Base	2.8V6	GAS	N/A
1993	Audi	100	S	2.8V6	GAS	N/A
1993	Audi	100	CS	2.8V6	GAS	N/A
1993	Audi	100 Quattro	CS	2.8V6	GAS	N/A
1993	Audi	90	S	2.8V6	GAS	N/A
1993	Audi	90	CS	2.8V6	GAS	N/A
1993	Audi	90 Quattro	CS	2.8V6	GAS	N/A
1992	Audi	100	Base	2.8V6	GAS	N/A
1992	Audi	100	CS	2.8V6	GAS	N/A
1992	Audi	100	S	2.8V6	GAS	N/A
1992	Audi	100 Quattro	CS	2.8V6	GAS	N/A
1992	Audi	80	Base	2.3L5	GAS	N/A
1992	Audi	80 Quattro	Base	2.3L5	GAS	N/A
1991	Audi	100	Base	2.3L5	GAS	N/A
1991	Audi	100 Quattro	Base	2.3L5	GAS	N/A	From VIN 44-K-006 001
1991	Audi	200	Base	2.2L5	GAS	N/A
1991	Audi	80	Base	2.3L5	GAS	N/A
1991	Audi	80 Quattro	Base	2.3L5	GAS	N/A
1991	Audi	90	Base	2.3L5	GAS	N/A
1991	Audi	200 Quattro	Avant	2.2L5	GAS	N/A
1991	Audi	200 Quattro	20v	2.2L5	GAS	N/A
1991	Audi	200 Quattro	20v Avant	2.2L5	GAS	N/A
1991	Audi	200 Quattro	Base	2.2L5	GAS	N/A
1991	Audi	90 Quattro	20v	2.3L5	GAS	N/A
1991	Audi	Coupe Quattro	20v	2.3L5	GAS	N/A
1990	Audi	100	Base	2.3L5	GAS	N/A
1990	Audi	100 Quattro	Base	2.3L5	GAS	N/A	From VIN 44-K-006 001
1990	Audi	200	Base	2.2L5	GAS	N/A
1990	Audi	200 Quattro	Base	2.2L5	GAS	N/A
1990	Audi	80	Base	2.0L4	GAS	N/A
1990	Audi	80 Quattro	Base	2.3L5	GAS	N/A
1990	Audi	90	Base	2.3L5	GAS	N/A
1990	Audi	90 Quattro	20v	2.3L5	GAS	N/A
1990	Audi	Coupe Quattro	20v	2.3L5	GAS	N/A
1989	Audi	100	E	2.3L5	GAS	N/A	From VIN 44-K-000 001
1989	Audi	100	Base	2.3L5	GAS	N/A	From VIN 44-K-000 001
1989	Audi	100 Quattro	Base	2.3L5	GAS	N/A	From VIN 44-K-006 001
1989	Audi	200	Base	2.2L5	GAS	N/A
1989	Audi	200 Quattro	Base	2.2L5	GAS	N/A
1989	Audi	80	Base	2.0L4	GAS	N/A
1989	Audi	80 Quattro	Base	2.3L5	GAS	N/A
1989	Audi	90	Base	2.3L5	GAS	N/A
1989	Audi	90 Quattro	Base	2.3L5	GAS	N/A
1988	Audi	80	Base	2.0L4	GAS	N/A
1988	Audi	80 Quattro	Base	2.3L5	GAS	N/A
1988	Audi	90	Base	2.0L4	GAS	N/A
1988	Audi	90	Base	2.3L5	GAS	N/A
1988	Audi	90 Quattro	Base	2.3L5	GAS	N/A
1988	Audi	5000	S	2.3L5	GAS	N/A	w/Accumulator
1988	Audi	5000	CS	2.2L5	GAS	N/A	w/Accumulator
1988	Audi	5000 Quattro	CS	2.2L5	GAS	N/A	w/Accumulator
1988	Audi	5000 Quattro	S	2.3L5	GAS	N/A	w/Accumulator
1987	Audi	5000	S	2.3L5	GAS	N/A	w/Accumulator
1987	Audi	5000	S	2.2L5	GAS	N/A	w/Accumulator
1987	Audi	5000	CS	2.2L5	GAS	N/A	w/Accumulator
1987	Audi	5000 Quattro	S	2.3L5	GAS	N/A	w/Accumulator
1987	Audi	5000 Quattro	CS	2.2L5	GAS	N/A	w/Accumulator
1986	Audi	5000	S	2.2L5	GAS	N/A	w/Accumulator
1986	Audi	5000	CS	2.2L5	GAS	N/A	w/Accumulator
1986	Audi	5000 Quattro	CS	2.2L5	GAS	N/A	w/Accumulator
1985	Audi	5000	S	2.2L5	GAS	N/A	w/Accumulator
1985	Audi	5000	CS Turbo	2.2L5	GAS	N/A	w/Accumulator
1985	Audi	5000	S Turbo	2.2L5	GAS	N/A	w/Accumulator
1984	Audi	5000	S Turbo	2.2L5	GAS	N/A	w/Accumulator
1984	Audi	5000	S	2.2L5	GAS	N/A	w/Accumulator

Product info

The Dorman – OE Solutions Brake Master Cylinder Reservoir part number 603-642 is a high-quality replacement for your Audi or Volkswagen vehicle. This part type is compatible with several other part numbers, including 4A0611301K, 8A0611301A, 8D0611301, and 8E0611301, making it very versatile.

This brake master cylinder reservoir is engineered to meet or exceed OEM specifications, ensuring reliable performance. It’s made of durable materials that resist corrosion and wear, so you can count on it to last for a long time. Its compact design makes it easy to install and compatible with various brake systems.

The Dorman – OE Solutions Brake Master Cylinder Reservoir provides a superior braking experience, giving you enhanced control and stopping power. It’s designed to maintain brake fluid levels, preventing braking issues caused by low fluid levels.

This part is compatible with several Audi and Volkswagen models, making it an ideal replacement for your vehicle. If you’re experiencing braking issues like low fluid levels, this brake master cylinder reservoir is an essential replacement.

In summary, the Dorman – OE Solutions Brake Master Cylinder Reservoir part number 603-642 is a reliable replacement for your Audi or Volkswagen vehicle. With its durable materials and precise engineering, you can count on it to provide enhanced braking performance and ensure your safety on the road.

About Dorman - OE Solutions

When looking for car aftermarket parts, Dorman OE Solutions is known for its dedication to quality, new ideas, and dependability. The company Dorman has been around for a long time, and they have always provided OE-quality parts that meet or beat industry standards. No matter how small the parts are or how complicated the systems are, Dorman OE Solutions has a wide range of products that are designed to keep your car running at its best.

At Newparts.com, we're proud to be an official seller of Dorman OE Solutions parts. In addition to Dorman OE Solutions parts for the engine, transmission, suspension, and electrical systems, we have a huge variety of exterior and interior accessories. It doesn't matter what your vehicle needs; Dorman is dedicated to providing reliable solutions that boost both speed and durability.

One important benefit of shopping at Newparts.com is that we always give customers cheap access to parts that aren't being used. Knowing how expensive it can be to keep cars in good shape and fix them when they break down, we try to offer reasonable prices on all Dorman parts. When you buy from us, you can save a lot of money without losing quality.

Along with having low prices, we put customer satisfaction first by sending all Dorman products out quickly. We understand how important time is when it comes to car repairs, so we work hard to make sure your orders get to you on time. Whether you're changing an old part or adding the newest innovations from Dorman to your car, you can count on us to get your parts to you quickly and easily. Reach out to us via phone. Call us now at 855-505-2886 and our customer service team will help you.

Check out how parts from Dorman OE Solutions can improve your car's speed and dependability. Every time you shop at Newparts.com, you can be sure of getting the best value, quality, and ease of use. Feel good about shopping. Find out why tens of thousands of drivers trust Dorman with all their car needs.

Specifications

California Proposition 65	WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Cap Type	Yes
Color	White
Material	Plastic
Mount Hole Quantity	1
Mounting Hardware Included	No
Package Contents	1 Brake Reservoir
Pressurized	No

Warranty

We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!

Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

Brake Master Cylinder Reservoir

Delivery Info

Returns Info

FREE SHIPPING