Is it dangerous to keep driving with a failing vacuum pump?

Yes, this directly affects brake assist — significantly increased pedal effort is a genuine safety concern and should be repaired promptly.

Can the pump be repaired instead of replaced?

In some cases a specialist can rebuild the pump with new seals, but replacement is often more practical given labour costs.

What is the pump made of?

A metal housing with an internal rotor or vane mechanism.

What is this part and what does it do?

Full description available in the product description section above. Contact us with clarifying questions.

How do I tell if my part is faulty?

See the 'Signs of a faulty part' section above or run a diagnostic at an auto service.

Yes - all our used parts are tested before sale and sold with guaranteed quality.

When should the part be replaced?

When warning signals appear, diagnostic codes are present, or the system malfunctions.

Vacuum pump AUDI A4 AVANT 2004

Name: Vacuum pump AUDI A4 AVANT 2004
Brand: AUDI
SKU: 057145100K-1
Price: 36.00 EUR
Availability: InStock

OEM: 057145100K-1

Disassembled car photo

Engine running

Tested before shipping
Guaranteed quality
Fast delivery 3–7 days
14-day returns

What is this part and why does it matter?

The vacuum pump generates vacuum for the brake booster and other systems, used on engines (like many diesels) that don’t naturally produce enough vacuum from intake operation alone.

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Not sure about compatibility? Send us your car's VIN and we'll confirm.

Ask about this product

Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

Increased brake pedal effort
Whining or grinding noise from the pump
Check Engine light with a vacuum-related fault code

Installation information

Driven off the camshaft or a dedicated belt, requires draining any lubricating oil the pump uses before removal on some designs.

Donor vehicle description

VIN: WAUZZZ8E04A216333
Make, model: AUDI A4 AVANT
Year: 2004
Engine: Dizelis 2.5TDI 120KW - BDG
Transmission: Automāts - GHZ
Drive: Priekšēja
: Stūre kreisajā pusē
Colour: 2S / Y7H

160 parts from this car

Frequently asked questions

Diesel engines don’t throttle intake air the way petrol engines do, so they don’t naturally generate the vacuum needed for the brake booster — a dedicated pump provides it instead.

What our customers say

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Price: affordable. Service: electrical equipment repair.
A
Andris B.
September 2026
Price: excellent.
D
Didier V.
August 2026
Super good! They came through with the part I needed, quickly and at a fair price! Thanks, and I definitely recommend!
I
Ilmars K.
August 2026
I ordered a Heater Blower Motor Resistor for a Toyota Avensis. Delivery took eight days from Latvia to Ireland. I installed it, and everything works perfectly. I wish this company success.
A
Aleksandr L.
Toyota Avensis
August 2026
No complaints about Evro Trans itself, everything's fine. But the delivery..... It felt like the order was being carried by turtles. 4 days from Riga to Daugavpils. Judging by the tracking, the parcel just sat somewhere behind a shed for 3 days, then they found it and delivered it the next day. I think that's why I won't be ordering there again.
P
Paul F.
June 2026
Super fast delivery of the part, and good quality of the used part. Thanks for the service.
N
Natālija I.
May 2026
I ordered antifreeze heaters and an auxiliary pump. Everything arrived quickly, the very next day, and matched the description. I'm satisfied.
J
Juris J.
February 2026
Excellent service, timely delivery, and complete transparency at every step. I highly recommend EvroTrans to anyone looking for a reliable partner!
E
Egor S.
November 2025
Bought a front fender for my car. I liked it! After payment they sent more than 20 photos of the problem areas, and it was packed very securely - took a while to unwrap.
I
Igors K.
Front fender
October 2025