Can the lock be repaired instead of replaced?

Sometimes cleaning and lubricating the mechanism helps, but if plastic or metal parts inside have broken, replacement is more reliable.

Is a faulty boot lock a safety issue?

Not for driving safety, but it does leave stored items less secure, and a serious failure could let the lid pop open while driving.

A metal mechanism with plastic components, plus an electric actuator on remote-operated versions.

How do I check whether Trunk lock AUDI A4 2003 fits my vehicle?

Compare OEM reference 4B9827505N, the listed vehicle (AUDI A4 2001-2004), connectors, mounting points and the photographs for this exact item.

What is the condition of Trunk lock AUDI A4 2003?

Listed condition: Used. Current availability: 1 in stock - ready to ship. Review the item photographs and any stated defects as well.

How is Trunk lock AUDI A4 2003 delivered and returned?

Available delivery methods, timing and price for your country are shown in the cart. Review the applicable 14-day return terms before ordering.

Trunk lock AUDI A4 2003

Name: Trunk lock AUDI A4 2003
Brand: AUDI
SKU: 4B9827505N
Price: 22.50 EUR
Availability: InStock

OEM: 4B9827505N

Disassembled car photo

Engine running

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

Details for this exact part

Code: 4B9827505N
OEM: 4B9827505N
Condition: Used
Availability: 1 in stock - ready to ship
Make, model: AUDI A4 2001-2004
Year: 2002
Engine: Diesel 1.9TDI 96KW - AWX
VIN: WAUZZZ8EX2A021885

What is this part and why does it matter?

The boot lock holds the lid shut and lets you open it with the key, a button, or the remote.

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Signs of a faulty part

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

Boot won’t open or close
Lock doesn’t respond to the key or button
Lid doesn’t sit flush or rattles

Installation information

Usually a straightforward job — bolts to the boot lid with the factory screws; check alignment with the striker on the body afterward.

Frequently asked questions

Often the lock mechanism itself is binding, not the electrics — check it for corrosion or a broken part.

Donor vehicle description

VIN: WAUZZZ8EX2A021885
Make, model: AUDI A4
Year: 2002
Engine: Diesel 1.9TDI 96KW - AWX
Transmission: Mechanic - FEC
Drive: Front
Equipment: LHD
Colour: 4J / Y7R

148 parts from this car

What our customers say

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Price: excellent.
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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!
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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.
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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.
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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.
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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!
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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.
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Igors K.
Front fender
October 2025