2019–2024 Audi Q3

2019-2024 Audi Q3 - Engine Air Filter Replacement

By Ray Delgado ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026

🔧 Easy 10-20 minutes $20 DIY

Save $70 by doing it yourself! Shop cost: $90

Quick answer: Engine Air Filter Replacement on a 2019–2024 Audi Q3 is rated Easy and takes about 10-20 minutes. You'll need 1 tool for this job, and parts cost about $20. This guide walks you through the full job step by step, including the mistakes to avoid.

Quick Video Tutorial

Parts You Need

Total Cost

$20.00

Part Name	Part Number	Price	Buy
Engine air filter	—	$20.00	Amazon

About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.

💡 Pro tip: Order all parts at once to save on shipping

Step-by-Step Instructions

Follow these steps carefully

Prep and locate the air box

Park on level ground, brake set, ignition off. Pop the hood and find the box — front of the engine bay, snorkel to the grille. Let a hot engine cool first. No tools needed — the box is clip-held.

Open the air filter housing

Back out the roughly six T25 Torx screws around the perimeter of the airbox lid — don't fully remove screws that feel captive, and keep loose ones in a tray. Then work the lid back and upward; the intake piping attached to it flexes enough to give you room, so ease it rather than forcing it. Pitfall: the screws thread into plastic, so note how lightly they were seated — you'll reinstall them with the same gentle touch, since overtightening strips the threads and ruins the lid's seal.

Remove the old filter and clean

Lift the old filter out. Wipe the box interior with a clean rag and check the drain hole for blockages. Compare old and new side by side for identical size and pleat count.

Install the new filter

Take the new filter and match its small tabs at the bottom to the tab holders in the airbox, rotating it clockwise until it seats, then click the large front tab into place — it should sit flush and level with no rocking. Press around the sealing edge to confirm full contact with the box. A filter that isn't keyed into its tabs will sit crooked and leave a bypass gap, feeding unfiltered air to the turbo.

Reseal and verify

Confirm every clip is shut — a loose lid lets unfiltered air into the Q3's turbo. Close the hood, start the engine, and idle a minute listening for intake whistles. Audi's interval: roughly every 30,000 miles.

🔧 Mechanic's note — Ray Delgado

While the Q3's box is open I check the drain hole at the bottom — a blocked drain lets water pool and soak the filter from below. Then I confirm every clip is shut; a loose lid feeds unfiltered air to the turbo.

All Done!

Test your repair before closing everything up. If something doesn't work right, double-check your steps.

⚠️ Common Mistakes to Avoid

• Installing the filter upside down or unseated so unfiltered air bypasses the element
• Leaving debris in the housing that then gets sucked into the intake
• Forcing clips/screws and cracking the plastic air box lid
• Reusing a heavily clogged filter instead of replacing it