Audi A4 Emission Controls

Your One-Stop Shop For Trusted Audi A4 Emission Controls

If you’re in search of Audi A4 Emission Controls aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 2 Emission Controls from top brands with prices ranging from $9.99 to $553.70.

Beyond great prices, we stock trusted brands manufacturing all types of Emission Controls for your Audi A4. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Dorman and CRP.

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 A4 Emission Controls below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Audi A4 Emission Controls

Dorman – 30 AMP 12 Volt 4 Pin Universal Relay (Part No.84601)

30 AMP 12 Volt 4 Pin Universal Relay

from

$9.99
This relay connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this relay connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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CRP – HOSE – FUEL (Part No.4L30010814CRP)

HOSE - FUEL

from

$553.70
HOSE – FUEL

Emission Controls Brands You Can Trust For Your Audi A4

2 trusted brands of Emission Controls line our shelves, ready to help keep your Audi A4 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 A4 span several categories. Some of the highest-rated Dorman Emission Controls that will fit your Audi A4 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 A4 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 A4. 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
HOSE - FUEL
from $553.70
This product is not rated
HOSE – FUEL
Evaporative Emissions System Lines