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Hengst E3940LC Cabin Air Filter - Primary or Secondary
Overview of Hengst HEZ Cabin Air Filter E3940LC
The Hengst HEZ Cabin Air Filter E3940LC is designed to provide effective filtration for select Porsche models. Featuring carbon filter media, this cabin air filter helps maintain clean air inside your vehicle's cabin by reducing odors and airborne contaminants.
- Carbon filter media for enhanced odor control
- Compatible with Porsche 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, and Cayman models
- Part number E3940LC for precise fitment
- Designed to improve HVAC system performance
- Easy to install replacement filter
HEZ Cabin Air Filter Product Line Details
The HEZ Cabin Air Filter line by Hengst focuses on delivering cabin air filters with specialized media to address specific filtration needs. This product line incorporates carbon filter media to target odors and gaseous pollutants, making it suitable for drivers seeking improved air quality inside their Porsche vehicles. The E3940LC is part of this line, ensuring compatibility and filtration performance tailored to the listed Porsche models.
Product Description and Features
The Hengst HEZ Cabin Air Filter E3940LC uses carbon filter media to capture and neutralize odors and harmful gases that can enter the cabin through the HVAC system. This filter is engineered to fit Porsche 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, and Cayman models, providing a reliable replacement option that maintains the original air quality standards. The carbon media enhances the filter’s ability to reduce unpleasant smells and improve overall cabin comfort during driving.
Common Applications and Issues Addressed
- Reduces odors from outside sources such as exhaust fumes and pollution
- Helps filter out airborne contaminants and allergens
- Prevents dust and debris buildup in the HVAC system
- Improves air quality inside Porsche 718 Boxster and Cayman cabins
- Maintains HVAC system efficiency by protecting internal components
Installation Notes and Tips
- Refer to the vehicle owner’s manual for cabin filter access location
- Ensure the filter is installed with the correct airflow direction indicated on the filter frame
- Replace the filter regularly according to manufacturer recommendations or when airflow decreases
- Wear gloves to avoid contaminating the filter media during installation
Quality Assurance and Warranty
Hengst cabin air filters, including the HEZ Cabin Air Filter E3940LC, are manufactured to meet OEM quality standards. While specific warranty details may vary, Hengst products typically come with a limited warranty against defects in materials and workmanship. Using this filter helps maintain the integrity of your Porsche’s HVAC system and cabin air quality.
| Brand | Hengst |
| Part Number | E3940LC |
| Filter Media Material | Carbon |
This part fits 87 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2025 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2025 | Porsche | 718 Cayman | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2025 | Porsche | 718 Spyder | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2025 | Porsche | 911 | Coupe | 3.7L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | |
| 2024 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2024 | Porsche | 718 Cayman | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2024 | Porsche | 718 Spyder | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2024 | Porsche | 911 | 3.7L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2023 | Porsche | 718 Boxster | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2023 | Porsche | 718 Cayman | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2023 | Porsche | 718 Spyder | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2023 | Porsche | 911 | 4.0L | H6 | N/A | Material: Carbon; HEZ Cabin Air Filter | ||
| 2022 | Porsche | 718 Boxster | 4.0L | H6 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Cayman | 4.0L | H6 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 718 Spyder | 4.0L | H6 | N/A | Material: Carbon; With OE No. 991 573 623 00 | ||
| 2022 | Porsche | 911 | 3.7L | H6 | N/A | Material: Carbon; With OE No. 9P1 819 631 | ||
| 2022 | Porsche | 911 | 3.0L | H6 | N/A | Material: Carbon; With OE No. 9P1 819 631 | ||
| 2021 | Porsche | 718 Boxster | 4.0L | H6 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 718 Cayman | GTS 4.0 | 4.0L | H6 | N/A | Material: Carbon; with OE No. 991 573 623 00 | |
| 2021 | Porsche | 718 Cayman | GT4 | 4.0L | H6 | N/A | Material: Carbon; With OE No. 991 573 623 00 | |
| 2021 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 718 Spyder | 4.0L | H6 | N/A | Material: Carbon; with OE No. 991 573 623 00 | ||
| 2021 | Porsche | 911 | 3.7L | H6 | N/A | Material: Carbon; with OE No. 9P1 819 631 | ||
| 2021 | Porsche | 911 | 3.0L | H6 | N/A | Material: Carbon; with OE No. 9P1 819 631 | ||
| 2020 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2020 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2020 | Porsche | 718 Cayman | 4.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2020 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2020 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2020 | Porsche | 911 | 3.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 911 | 4.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 911 | 3.8L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2019 | Porsche | 911 | 3.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 911 | 4.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 911 | 3.8L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2018 | Porsche | 911 | 3.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 718 Boxster | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 718 Boxster | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 718 Cayman | 2.5L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 718 Cayman | 2.0L | H4 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 911 | 4.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 911 | 3.8L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2017 | Porsche | 911 | 3.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | 911 | 4.0L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | 911 | 3.4L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Boxster | 3.8L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Boxster | 3.4L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Boxster | 2.7L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Cayman | 3.8L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Cayman | 3.4L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2016 | Porsche | Cayman | 2.7L | H6 | N/A | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | 911 | 3.8L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | 911 | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | Boxster | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | Boxster | 2.7L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | Cayman | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2015 | Porsche | Cayman | 2.7L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | 911 | 3.8L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | 911 | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | Boxster | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | Boxster | 2.7L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | Cayman | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2014 | Porsche | Cayman | 2.7L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2013 | Porsche | 911 | 3.8L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2013 | Porsche | 911 | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2013 | Porsche | Boxster | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2013 | Porsche | Boxster | 2.7L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2012 | Porsche | 911 | 3.8L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2012 | Porsche | 911 | 3.6L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2012 | Porsche | 911 | 3.4L | H6 | Primary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2012 | Porsche | Boxster | 3.4L | H6 | Secondary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. | ||
| 2012 | Porsche | Boxster | 2.9L | H6 | Secondary | Carbon cabin air filter optimized for various vehicle models to enhance filtration efficiency. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.