febi bilstein 31375 Cabin Air Filter

The febi bilstein 31375 Cabin Air Filter is a replacement cabin filter listed with activated carbon and vehicle-fitment claims for selected Audi and Porsche models. Confirm the exact fitment for your vehicle before ordering, as the supplied compatibility lists vary in detail.

At a glance

Activated-carbon filter material is specified in the listing.
Manufacturer fitment details name selected Audi models and Porsche Macan (95B).
Listed filter dimensions are 280 mm long, 240 mm wide and 34.5 mm high.

Price

€13.90Save 52%

Reference price: ~~€28.94~~

Price checked: 12 Nov 2026

View offer

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Pros and cons

Pros

Activated carbon is a specific material choice for buyers seeking this type of cabin filter.
The listing supplies dimensions and OE comparison numbers to help assess part fit.

Technical specifications

10 specifications

Identity
Brand	Ferdinand Bilstein GmbH + Co. KG
Model	31375

Dimensions and installation
Weight listed	0.25 Kilograms
Length	280 mm
Width	240 mm
Height	34.5 mm

Materials and protection
Material listed	activated carbon filter

Fitment
Suitable for	Audi: A4 (8K) Avant, Q5 (8R) quattro; Porsche: Macan (95B); Audi: A4 (8K), A5 (8T) Sportback, A4 (8K) Avant quattro, A4 (8K) Allroad quattro, A5 (8T) Sportback quattro, SQ5 (8K). R) quattro, A5 (8F) Convertible
Additional listed fitment	Audi: A4 (8K), A4 quattro (8K), A5 (8F), A5 (8T), A5 quattro (8F), A5 quattro (8T), Q5 quattro (8R), RS5 quattro (8T), S4 quattro (8K), S5 quattro (8t)
OE numbers (for comparison purposes only)	Audi: 8K0 819 439 C, Porsche: PAB81943920

What to know before buying

Listing details to confirm

The listing contains inconsistent product details: its broad device details name an Inventor Chilly 9000BTU air conditioner, while feature information identifies Audi and Porsche vehicle fitment. Fitment lists also differ, including variations in model descriptions. The listed dimensions are stated as 280 mm by 240 mm by 34.5 mm in feature text, but a separate dimensions field gives 2.77L x 2.4W x 0.31Th metres. Confirm the correct application and dimensions for your vehicle before buying. The manufacturer also advises observing vehicle restrictions and manufacturer guidance, with repair work carried out by trained professionals.

What’s in the box

Included

febi bilstein 31375 Cabin Air Filter
Pack of 1

Who is it for?

A good fit for

Owners of a listed Audi or Porsche model who have confirmed the required filter part and fitment.
Buyers looking for a replacement cabin air filter specified as activated carbon.

Less suited to

Buyers who cannot confirm that model 31375 matches their vehicle.

febi bilstein 31375 Cabin Air Filter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 158 ratings

5 stars85%85%
4 stars11%11%
3 stars3%3%
2 stars0%0%
1 star1%1%

Aggregate ratings lean strongly positive, with most ratings in the five-star category, but a small share are lower. The ratings do not identify particular strengths or explain any concerns, so they cannot establish fitment or performance. For this replacement filter, confirming vehicle compatibility remains the key buying check.

Frequently asked questions

Which vehicles is the 31375 listed for?

The feature text names several Audi models and Porsche Macan (95B), but the compatibility details are inconsistent. Check the vehicle-specific fitment information before ordering.

What material is specified?

The listing describes the filter material as activated carbon.

What are the listed filter dimensions?

Feature text gives 280 mm length, 240 mm width and 34.5 mm height. A separate dimensions field reports a conflicting measurement, so verify the dimensions and fitment before purchase.