Prep and open access
Park on level ground, brake set, ignition off. The filter sits in the passenger footwell by the firewall — the glovebox stays shut. Slide the seat back and fold back the footwell carpet or trim panel.
2011–2018 Porsche Cayenne
By Tom Becker ✓ Certified Mechanic · Published Sep 21, 2026 · Updated Oct 22, 2026
Save $80 by doing it yourself! Shop cost: $100
Quick answer: Cabin Air Filter Replacement on a 2011–2018 Porsche Cayenne is rated Easy and takes about 15-25 minutes. You'll need 2 tools for this job, and parts cost about $20. This guide walks you through the full job step by step, including the mistakes to avoid.
| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| Cabin air filter | — | $20.00 |
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
Follow these steps carefully
Park on level ground, brake set, ignition off. The filter sits in the passenger footwell by the firewall — the glovebox stays shut. Slide the seat back and fold back the footwell carpet or trim panel.
Release the filter cover tabs at the bottom of the HVAC case. Pull the cover straight off and set it aside. No tools needed. The filter sits above the blower — keep the area clear while the cover is off.
Slide the old filter out, noting the arrow direction. Bag it and vacuum the empty slot so debris doesn't fall onto the blower below.
In my experience, Keep that area clear while the cover is off — a leaf or screw dropped onto the blower below means a rattle you'll hear on every drive.
Slide the new cabin air filter up into the 2011-2018 Porsche Cayenne housing, oriented exactly like the old one (note the airflow arrows before discarding the old element). It must sit flat with no buckled pleats — withdraw and realign if it binds. Refit the filter cover toward the center of the car and secure its screws snugly; a loose cover whistles at highway speed.
From my bay, The charcoal filter is worth it on a Cayenne if you sit in traffic — same housing, same fit, and it kills the diesel-fume smell at stoplights.
Refit the cover until its tabs click, then smooth the footwell carpet back and slide the seat forward. Start the engine and run the HVAC on fresh air through several speeds — strong, clean airflow, no whistling or trim rattles.
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
2011–2018
2011–2018
2011–2018
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