Quick answer: Cabin Air Filter Replacement on a 2009–2020 Nissan 370Z is rated Easy and takes about 20-30 minutes. You'll need 3 tools for this job, and parts cost about $28. 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 for 2009-2020 Nissan 370Z; verify arrows, size, and VIN/trim fitment |
— |
$28.00 |
|
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
Step-by-Step Instructions
Follow these steps carefully
1
Park, switch off, and clear the passenger footwell
The filter slot sits behind the glove box on the passenger side. Park on level ground, switch the ignition off, and slide the passenger seat all the way back. Empty the glove box completely; you're about to remove the whole box.
2
Remove the glove box - about six screws, then pull
Then pull the box firmly toward you - the clips release with a sharp pop. It feels like you're breaking something the first time; you're not, but keep your pull straight and even so you don't crack the box's mounting ears.
🔧 Mechanic's note — Tom Becker
Clean hands, clean parts. I wipe mating surfaces because a spec of dirt can cause a leak. I test drive before returning the car to service. The road tells you things the driveway doesn't.
3
Find the filter trap door on the HVAC housing
Before you touch it, a warning: the tab on the LEFT side of this door is famously fragile and snaps off if you look at it wrong. Support the door with one hand while you work the tabs with the other, and never force it.
4
Open the door and check what's in the slot
Unlatch the trap door and swing it open. If there's an old filter in there, slide it straight out and check its airflow arrow before discarding it.
5
Slide the new filter in until it bottoms out, sitting square
This is the opposite of what some owners expect, so double-check before you slide it in. Push the filter fully into the slot until it bottoms out; it should sit square, not cocked.
6
Close the trap door and reinstall the glove box
Line the glove box back up, press it in until the clips pop home, and run all six-ish screws back in. Don't overtighten the screws into the plastic; snug is plenty, and a cracked mounting ear means a rattling glove box forever.
7
Verify airflow, noise, and fit
Start the car, set the HVAC to fresh-air mode, and run the fan from low to max through every vent position. Airflow should feel strong and even. Listen closely at high fan speed for whistling from behind the dash - that's a filter sitting crooked or a trap door not latched. Also confirm the glove box opens, closes, and latches normally with no new rattles over bumps. Nissan's routine is a fresh cabin filter about every 15,000 miles or once a year; given how much dust the Z's low intake picks up, don't stretch it.
All Done!
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
- • Snapping the fragile left tab on the filter trap door by forcing it - support the door while unlatching it.
- • Installing the filter with the airflow arrow pointing up; on the 370Z the arrow points DOWN.
- • Assuming an empty slot on an early 2009 car means something is broken - some left the factory without a filter installed.
- • Overtightening the glove box screws into the plastic and cracking the mounting ears.