Due to Shipper and Supplier Delays, Your Order May Take Additional Time to Ship. Read our COVID-19 Update
Now Offering CURB-SIDE Pickup / FREE SHIPPING on Orders $49+ *exclusions apply

No purchase necessary to enter or win. See official rules.

Sales & Specials

No purchase necessary to enter or win. See official rules.

Back-Up Light Switch

Activates the reverse lights on your vehicle
Mfg Part #
01E 941 521 B
ECS Part #
Genuine Volkswagen Audi
$33.80 (30% off MSRP)
Free Shipping Free Shipping
on orders $49 and up
Availability: In Stock
Does this fit my vehicle?

Product Details

When shifting your transmission into reverse, this switch activates the reverse lights, allowing others to see that you are backing up and providing some light behind you. When both reverse lights are out, the back-up light switch is a common issues, but be sure to check your bulbs for proper diagnosis. If your issue does lie with the switch, replace yours today and get your exterior lighting illuminated properly. This switch is located on the transmission case.

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi B7 A4 FWD 2.0T
Audi B7 A4 Quattro 2.0T
Audi B7 A4 Quattro V6 3.2L
Audi B7 RS4 All V8
Audi B7 S4 All V8
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings