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Arnott K-4078 Air Suspension Pressure Valve
| Brand | Arnott K-4078 |
|---|---|
| Grade Type | Standard replacement |
| Color | Blue |
| Design | T valve |
| Fits | Porsche · 20 vehicles |
Standard replacement. Direct-fit pressure valve for air suspension service.
T-valve design. Simplifies nitrogen refill access for suspension maintenance.
Blue finish for easy identification in service work.
Arnott K-4078 Nitrogen Refill Port
The Arnott K-4078 is a standard replacement nitrogen suspension refill port for Porsche air suspension systems. It uses a blue T-valve design to support service access during suspension maintenance on select Porsche Macan, Panamera, and Cayenne applications.
Key Features
- Standard replacement air suspension pressure valve
- Blue T-valve design for nitrogen refill service access
- Fits Porsche Macan, Panamera, and Cayenne applications
- Arnott part number K-4078
- Built for service use in Porsche air suspension systems
Fitment Details
- Fits 2020-2026 Porsche Macan, N/A
- Fits 2017-2018 Porsche Macan, N/A
- Fits 2010-2016 Porsche Panamera, N/A
- Fits 2003-2006 Porsche Cayenne, N/A
Product Description
Arnott K-4078 is a nitrogen suspension refill port made for Porsche air suspension service. The standard replacement construction and T-valve layout provide a direct service point for nitrogen refill procedures on supported Porsche suspension systems. This part number, K-4078, is listed for Porsche Macan, Porsche Panamera, and Porsche Cayenne fitments across the model years shown.
This part cross-references no listed aftermarket part numbers for the same application.
Common Uses
- Restoring nitrogen refill access on Porsche air suspension systems
- Replacing a worn or damaged refill port
- Addressing service issues during suspension maintenance
- Supporting proper refill procedures on Macan, Panamera, and Cayenne models
Installation Notes
Verify vehicle year and model before installation. Confirm the suspension service point matches the original layout on the vehicle, and follow Porsche air suspension service procedures when replacing the refill port. Use clean handling practices to avoid contamination in the nitrogen service path.
Quality Assurance
Arnott supplies suspension components for service and replacement applications, and K-4078 is specified as a standard replacement part for Porsche nitrogen suspension refill service.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2026 | Porsche | Macan | — |
| 2025 | Porsche | Macan | — |
| 2024 | Porsche | Macan | — |
| 2023 | Porsche | Macan | — |
| 2022 | Porsche | Macan | — |
| 2021 | Porsche | Macan | — |
| 2020 | Porsche | Macan | — |
| 2018 | Porsche | Macan | — |
| 2017 | Porsche | Macan | — |
| 2016 | Porsche | Panamera | — |
| 2015 | Porsche | Panamera | — |
| 2014 | Porsche | Panamera | — |
| 2013 | Porsche | Panamera | — |
| 2012 | Porsche | Panamera | — |
| 2011 | Porsche | Panamera | — |
| 2010 | Porsche | Panamera | — |
| 2006 | Porsche | Cayenne | — |
| 2005 | Porsche | Cayenne | — |
| 2004 | Porsche | Cayenne | — |
| 2003 | Porsche | Cayenne | — |
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