Arnott K-4078 Air Suspension Pressure Valve

Name: Arnott K-4078 Air Suspension Pressure Valve
Brand: Arnott
SKU: DDWG-K-4078
Price: 51.86 USD
Availability: OutOfStock

20 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Porsche, Cayenne, Macan, and Panamera

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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.

Brand	Arnott
Part Number	K-4078
Grade Type	Standard replacement
Color	Blue
Design	T valve

This part fits 20 vehicles. Search below:

Year	Make	Model	Position
2026	Porsche	Macan	N/A
2025	Porsche	Macan	N/A
2024	Porsche	Macan	N/A
2023	Porsche	Macan	N/A
2022	Porsche	Macan	N/A
2021	Porsche	Macan	N/A
2020	Porsche	Macan	N/A
2018	Porsche	Macan	N/A
2017	Porsche	Macan	N/A
2016	Porsche	Panamera	N/A
2015	Porsche	Panamera	N/A
2014	Porsche	Panamera	N/A
2013	Porsche	Panamera	N/A
2012	Porsche	Panamera	N/A
2011	Porsche	Panamera	N/A
2010	Porsche	Panamera	N/A
2006	Porsche	Cayenne	N/A
2005	Porsche	Cayenne	N/A
2004	Porsche	Cayenne	N/A
2003	Porsche	Cayenne	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.