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Hengst E3940LB Cabin Air Filter - Primary or SecondaryOE Quality 60-Day Returns
Part #: E3940LB

Hengst E3940LB Cabin Air Filter - Primary or Secondary

Primary
⚙️ 87 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Porsche, 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, and Cayman
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Overview of Hengst HEZ Cabin Air Filter E3940LB

The Hengst HEZ Cabin Air Filter E3940LB is designed to provide effective filtration for select Porsche models. Engineered with biological filter media, this cabin air filter helps maintain clean air inside your vehicle's cabin, enhancing comfort and air quality.

  • Biological filter media material for improved air filtration
  • Compatible with Porsche 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, and Cayman models
  • Part number E3940LB for precise fitment
  • Part of the HEZ Cabin Air Filter product line focused on cabin air quality

HEZ Cabin Air Filter Product Line Details

The HEZ Cabin Air Filter line by Hengst specializes in cabin air filters that utilize biological filter media to reduce airborne contaminants. This product line is tailored to meet the filtration needs of premium vehicles, including Porsche models, ensuring that the cabin air remains cleaner and healthier during driving.

Product Description and Features

The Hengst HEZ Cabin Air Filter E3940LB uses biological filter media designed to capture and reduce allergens, dust, and other airborne particles inside the vehicle cabin. This filter is engineered specifically for Porsche vehicles such as the 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, and Cayman, ensuring a precise fit and optimal performance. The biological media material supports improved air quality by targeting microscopic contaminants that standard filters may not effectively capture.

Applications and Problem Solving

  • Reduces airborne allergens and pollen inside the cabin
  • Helps minimize dust and particulate matter entering the vehicle
  • Improves overall air quality for driver and passengers
  • Prevents unpleasant odors caused by trapped contaminants
  • Supports HVAC system efficiency by maintaining cleaner airflow

Installation Notes and Tips

Installation of the Hengst HEZ Cabin Air Filter E3940LB is straightforward and designed to fit the specified Porsche models without modification. It is recommended to replace the cabin air filter according to the vehicle manufacturer’s maintenance schedule or when reduced airflow or odors are noticed. Always ensure the filter is installed in the correct orientation to maintain filtration efficiency.

Quality Assurance

Hengst cabin air filters are manufactured to meet OEM standards for fit and filtration performance. The HEZ Cabin Air Filter E3940LB undergoes quality control processes to ensure durability and consistent filtration. While specific warranty details are not provided, Hengst products typically align with industry standards for automotive replacement parts.

This part fits 87 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2025Porsche718 Boxster2.5LH4N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2025Porsche718 Cayman4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2025Porsche718 Spyder4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2025Porsche911Coupe3.7LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2024Porsche718 Boxster2.0LH4N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2024Porsche718 Cayman4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2024Porsche718 Spyder4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2024Porsche9113.7LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2023Porsche718 Boxster4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2023Porsche718 Cayman2.0LH4N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2023Porsche718 Spyder4.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2023Porsche9114.0LH6N/AMaterial: Biofunctional; HEZ Cabin Air Filter
2022Porsche718 Boxster4.0LH6N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Boxster2.5LH4N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Boxster2.0LH4N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Cayman4.0LH6N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Cayman2.5LH4N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Cayman2.0LH4N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche718 Spyder4.0LH6N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2022Porsche9113.7LH6N/AMaterial: Biofunctional; With OE No. 9P1 819 631
2022Porsche9113.0LH6N/AMaterial: Biofunctional; With OE No. 9P1 819 631
2021Porsche718 Boxster4.0LH6N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 Boxster2.5LH4N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 Boxster2.0LH4N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 CaymanGTS 4.04.0LH6N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 CaymanGT44.0LH6N/AMaterial: Biofunctional; With OE No. 991 573 623 00
2021Porsche718 Cayman2.5LH4N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 Cayman2.0LH4N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche718 Spyder4.0LH6N/AMaterial: Biofunctional; with OE No. 991 573 623 00
2021Porsche9113.7LH6N/AMaterial: Biofunctional; with OE No. 9P1 819 631
2021Porsche9113.0LH6N/AMaterial: Biofunctional; with OE No. 9P1 819 631
2020Porsche718 Boxster2.5LH4N/ACompatible with biofunctional material cabin air filters.
2020Porsche718 Boxster2.0LH4N/ACompatible with biofunctional material cabin air filters.
2020Porsche718 Cayman4.0LH6N/ACompatible with biofunctional material cabin air filters.
2020Porsche718 Cayman2.5LH4N/ACompatible with biofunctional material cabin air filters.
2020Porsche718 Cayman2.0LH4N/ACompatible with biofunctional material cabin air filters.
2020Porsche9113.0LH6N/ACompatible with biofunctional material cabin air filters.
2019Porsche718 Boxster2.5LH4N/ACompatible with biofunctional material cabin air filters.
2019Porsche718 Boxster2.0LH4N/ACompatible with biofunctional material cabin air filters.
2019Porsche718 Cayman2.5LH4N/ACompatible with biofunctional material cabin air filters.
2019Porsche718 Cayman2.0LH4N/ACompatible with biofunctional material cabin air filters.
2019Porsche9114.0LH6N/ACompatible with biofunctional material cabin air filters.
2019Porsche9113.8LH6N/ACompatible with biofunctional material cabin air filters.
2019Porsche9113.0LH6N/ACompatible with biofunctional material cabin air filters.
2018Porsche718 Boxster2.5LH4N/ACompatible with biofunctional material cabin air filters.
2018Porsche718 Boxster2.0LH4N/ACompatible with biofunctional material cabin air filters.
2018Porsche718 Cayman2.5LH4N/ACompatible with biofunctional material cabin air filters.
2018Porsche718 Cayman2.0LH4N/ACompatible with biofunctional material cabin air filters.
2018Porsche9114.0LH6N/ACompatible with biofunctional material cabin air filters.
2018Porsche9113.8LH6N/ACompatible with biofunctional material cabin air filters.
2018Porsche9113.0LH6N/ACompatible with biofunctional material cabin air filters.
2017Porsche718 Boxster2.5LH4N/ACompatible with biofunctional material cabin air filters.
2017Porsche718 Boxster2.0LH4N/ACompatible with biofunctional material cabin air filters.
2017Porsche718 Cayman2.5LH4N/ACompatible with biofunctional material cabin air filters.
2017Porsche718 Cayman2.0LH4N/ACompatible with biofunctional material cabin air filters.
2017Porsche9114.0LH6N/ACompatible with biofunctional material cabin air filters.
2017Porsche9113.8LH6N/ACompatible with biofunctional material cabin air filters.
2017Porsche9113.0LH6N/ACompatible with biofunctional material cabin air filters.
2016Porsche9114.0LH6N/ACompatible with biofunctional material cabin air filters.
2016Porsche9113.4LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheBoxster3.8LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheBoxster3.4LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheBoxster2.7LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheCayman3.8LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheCayman3.4LH6N/ACompatible with biofunctional material cabin air filters.
2016PorscheCayman2.7LH6N/ACompatible with biofunctional material cabin air filters.
2015Porsche9113.8LH6PrimaryCompatible with biofunctional material cabin air filters.
2015Porsche9113.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2015PorscheBoxster3.4LH6SecondaryCompatible with biofunctional material cabin air filters.
2015PorscheBoxster2.7LH6SecondaryCompatible with biofunctional material cabin air filters.
2015PorscheCayman3.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2015PorscheCayman2.7LH6PrimaryCompatible with biofunctional material cabin air filters.
2014Porsche9113.8LH6PrimaryCompatible with biofunctional material cabin air filters.
2014Porsche9113.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2014PorscheBoxster3.4LH6SecondaryCompatible with biofunctional material cabin air filters.
2014PorscheBoxster2.7LH6SecondaryCompatible with biofunctional material cabin air filters.
2014PorscheCayman3.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2014PorscheCayman2.7LH6PrimaryCompatible with biofunctional material cabin air filters.
2013Porsche9113.8LH6PrimaryCompatible with biofunctional material cabin air filters.
2013Porsche9113.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2013PorscheBoxster3.4LH6SecondaryCompatible with biofunctional material cabin air filters.
2013PorscheBoxster2.7LH6SecondaryCompatible with biofunctional material cabin air filters.
2012Porsche9113.8LH6PrimaryCompatible with biofunctional material cabin air filters.
2012Porsche9113.6LH6PrimaryCompatible with biofunctional material cabin air filters.
2012Porsche9113.4LH6PrimaryCompatible with biofunctional material cabin air filters.
2012PorscheBoxster3.4LH6SecondaryCompatible with biofunctional material cabin air filters.
2012PorscheBoxster2.9LH6SecondaryCompatible with biofunctional material cabin air filters.

* 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:

991573623009P1 819 631

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.