Audi S4 Emission Controls

Your One-Stop Shop For Trusted Audi S4 Emission Controls

If you’re in search of Audi S4 Emission Controls aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 1 Emission Controls from top brands with prices around $9.99.

Beyond great prices, we stock trusted brands manufacturing all types of Emission Controls for your Audi S4. Of the 1 OEM and aftermarket parts brands we carry, some of the most popular are Dorman.

And don’t forget to read customer reviews across all Emission Controls categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Emission Controls have to cost top dollar, and we prove it. Browse our top Audi S4 Emission Controls below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Emission Controls Brands You Can Trust For Your Audi S4

1 trusted brands of Emission Controls line our shelves, ready to help keep your Audi S4 running smooth. Below are some of the most popular brands and their top Emission Controls offerings:

Popular Dorman Emission Controls

Dorman products for the Audi S4 span several categories. Some of the highest-rated Dorman Emission Controls that will fit your Audi S4 are:
30 AMP 12 Volt 4 Pin Universal Relay
from $9.99
(8)
30 AMP 12 Volt 4 Pin Universal Relay
Vacuum Pump Relay

Most Purchased Audi S4 Emission Controls from Dorman

When you buy the most frequently purchased Dorman brand Emission Controls, you can be confident it will be the right part for your Audi S4. Here are the Dorman Emission Controls Advanced Auto customers buy the most:
30 AMP 12 Volt 4 Pin Universal Relay
from $9.99
(8)
30 AMP 12 Volt 4 Pin Universal Relay
Vacuum Pump Relay