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OE Quality
60-Day Returns
Hengst E3940LB Cabin Air Filter - Primary or Secondary
| Brand | Hengst E3940LB |
|---|---|
| Position | Primary |
| Fits | Porsche · 87 vehicles |
Cabin air filter. Filters incoming air for a cleaner cabin environment.
Biological media. Helps capture contaminants in the airflow.
HEZ line. Hengst cabin filtration for dependable HVAC service.
Cross-references 9P1 819 631 and 99157362300 for the same application. See all 2.
$57.74Free shipping
In stock · usually ships same day before 1pm CST
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Biofunctional Cabin Air Filtration
The Hengst HEZ Cabin Air Filter E3940LB is a biofunctional cabin air filter for Porsche HVAC systems. It is built with biological filter media to help maintain cleaner air inside the vehicle cabin while matching the specified OE-style applications for Porsche 718 and 911 models.
- Biological filter media for cabin air filtration
- HEZ Cabin Air Filter product line from Hengst
- Direct fitment for select Porsche 718 Boxster, Cayman, Spyder, and 911 applications
- OE cross-reference support for listed Porsche part numbers
- Fits primary, secondary, and N/A positions depending on application
HEZ Product Line Details
Hengst HEZ Cabin Air Filters are positioned for biofunctional cabin filtration applications. For Porsche vehicles, this line is specified across multiple model years and configurations, including 2023-2025 Porsche 718 Boxster, 718 Cayman, 718 Spyder, and 911, as well as earlier 2012-2022 applications where the OE reference matches the listed fitment.
This part cross-references Porsche OE numbers 9P1 819 631 and 991 573 623 00 for the same application. The part number E3940LB is also useful when matching service parts by catalog reference.
Fitment
- Fits 2023-2025 Porsche 718 Boxster, N/A.
- Fits 2023-2025 Porsche 718 Cayman, N/A.
- Fits 2023-2025 Porsche 718 Spyder, N/A.
- Fits 2023-2025 Porsche 911, N/A.
- Fits 2022 Porsche 718 Boxster, N/A. Material: Biofunctional; With OE No. 991 573 623 00.
- Fits 2021-2022 Porsche 718 Cayman, N/A. Material: Biofunctional; With OE No. 991 573 623 00.
- Fits 2022 Porsche 718 Spyder, N/A. Material: Biofunctional; With OE No. 991 573 623 00.
- Fits 2022 Porsche 911, N/A. Material: Biofunctional; With OE No. 9P1 819 631.
- Fits 2021 Porsche 718 Boxster, N/A. Material: Biofunctional; with OE No. 991 573 623 00.
- Fits 2021 Porsche 718 Cayman, N/A. Material: Biofunctional; with OE No. 991 573 623 00.
- Fits 2021 Porsche 718 Spyder, N/A. Material: Biofunctional; with OE No. 991 573 623 00.
- Fits 2021 Porsche 911, N/A. Material: Biofunctional; with OE No. 9P1 819 631.
- Fits 2017-2020 Porsche 718 Boxster, N/A. Compatible with biofunctional material cabin air filters.
- Fits 2017-2020 Porsche 718 Cayman, N/A. Compatible with biofunctional material cabin air filters.
- Fits 2016-2020 Porsche 911, N/A. Compatible with biofunctional material cabin air filters.
- Fits 2016 Porsche Boxster, N/A. Compatible with biofunctional material cabin air filters.
- Fits 2016 Porsche Cayman, N/A. Compatible with biofunctional material cabin air filters.
- Fits 2012-2015 Porsche 911, Primary. Compatible with biofunctional material cabin air filters.
- Fits 2012-2015 Porsche Boxster, Secondary. Compatible with biofunctional material cabin air filters.
- Fits 2014-2015 Porsche Cayman, Primary. Compatible with biofunctional material cabin air filters.
What It Helps Address
- Cabin air filtration service intervals on Porsche 718 and 911 models
- Replacement for a clogged or restricted cabin air filter
- Maintaining proper HVAC airflow through the cabin filtration system
- Reducing dust and airborne contaminants entering the passenger compartment
- Restoring OE-matched filter service on listed Porsche applications
Installation Notes
Verify the vehicle year, model, and filter position before ordering. This E3940LB cabin air filter is listed for N/A, Primary, and Secondary positions depending on the Porsche application, so match the OE reference and fitment row exactly. For Porsche 718 Boxster, Cayman, Spyder, and 911 fitment, confirm the existing filter location and service specification before installation.
Quality Assurance
Hengst supplies the HEZ Cabin Air Filter line with biofunctional media specified for the listed Porsche applications. Use the OE cross-reference and fitment data to confirm the correct replacement before service.
This part fits 87 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2025 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2025 | Porsche | 718 Cayman | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2025 | Porsche | 718 Spyder | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2025 | Porsche | 911 | — | Coupe | 3.7L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2024 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2024 | Porsche | 718 Cayman | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2024 | Porsche | 718 Spyder | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2024 | Porsche | 911 | — | — | 3.7L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2023 | Porsche | 718 Boxster | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2023 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2023 | Porsche | 718 Spyder | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2023 | Porsche | 911 | — | — | 4.0L | H6 | N/A | Material: Biofunctional; HEZ Cabin Air Filter |
| 2022 | Porsche | 718 Boxster | — | — | 4.0L | H6 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Cayman | — | — | 4.0L | H6 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 718 Spyder | — | — | 4.0L | H6 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2022 | Porsche | 911 | — | — | 3.7L | H6 | N/A | Material: Biofunctional; With OE No. 9P1 819 631 |
| 2022 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Material: Biofunctional; With OE No. 9P1 819 631 |
| 2021 | Porsche | 718 Boxster | — | — | 4.0L | H6 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Cayman | GTS 4.0 | — | 4.0L | H6 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Cayman | GT4 | — | 4.0L | H6 | N/A | Material: Biofunctional; With OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 718 Spyder | — | — | 4.0L | H6 | N/A | Material: Biofunctional; with OE No. 991 573 623 00 |
| 2021 | Porsche | 911 | — | — | 3.7L | H6 | N/A | Material: Biofunctional; with OE No. 9P1 819 631 |
| 2021 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Material: Biofunctional; with OE No. 9P1 819 631 |
| 2020 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2020 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2020 | Porsche | 718 Cayman | — | — | 4.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2020 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2020 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2020 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 911 | — | — | 4.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 911 | — | — | 3.8L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2019 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 911 | — | — | 4.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 911 | — | — | 3.8L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2018 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 718 Boxster | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 718 Boxster | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 718 Cayman | — | — | 2.5L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 718 Cayman | — | — | 2.0L | H4 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 911 | — | — | 4.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 911 | — | — | 3.8L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2017 | Porsche | 911 | — | — | 3.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | 911 | — | — | 4.0L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | 911 | — | — | 3.4L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Boxster | — | — | 3.8L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Boxster | — | — | 3.4L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Boxster | — | — | 2.7L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Cayman | — | — | 3.8L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Cayman | — | — | 3.4L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2016 | Porsche | Cayman | — | — | 2.7L | H6 | N/A | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | 911 | — | — | 3.8L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | 911 | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | Boxster | — | — | 3.4L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | Boxster | — | — | 2.7L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | Cayman | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2015 | Porsche | Cayman | — | — | 2.7L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | 911 | — | — | 3.8L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | 911 | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | Boxster | — | — | 3.4L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | Boxster | — | — | 2.7L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | Cayman | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2014 | Porsche | Cayman | — | — | 2.7L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2013 | Porsche | 911 | — | — | 3.8L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2013 | Porsche | 911 | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2013 | Porsche | Boxster | — | — | 3.4L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2013 | Porsche | Boxster | — | — | 2.7L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2012 | Porsche | 911 | — | — | 3.8L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2012 | Porsche | 911 | — | — | 3.6L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2012 | Porsche | 911 | — | — | 3.4L | H6 | Primary | Compatible with biofunctional material cabin air filters. |
| 2012 | Porsche | Boxster | — | — | 3.4L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| 2012 | Porsche | Boxster | — | — | 2.9L | H6 | Secondary | Compatible with biofunctional material cabin air filters. |
| No rows match your filter. | ||||||||
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
9P1 819 63199157362300