Arnott K-4366 Air Suspension Pressure Valve - Rear

Arnott K-4366 Pressure Retention Valve

The Arnott K-4366 is a brass air suspension pressure retention valve (PRV) for rear strut applications on select Jaguar models. It helps keep a preset amount of air pressure in the strut during service or when the air system loses pressure from compressor, air line, or valve block issues.

Key Features

• Pressure retention valve (PRV) for air suspension struts
• Brass construction with male metric ends
• Supports pressurized shipping and installation of strut assemblies
• Helps preserve air pressure if the compressor fails or the air system leaks
• Direct service part for rear-at-strut Jaguar air suspension applications
• Part number: K-4366

Product Details

Arnott K-4366 is a regular-grade air suspension pressure retention valve built to restore function in systems where an older valve has corroded or stopped opening and closing correctly. By retaining a preset air charge, it reduces the risk of air spring damage during inflation and service procedures. This part is used on rear strut applications for Jaguar XJ8, XJR, Vanden Plas, and Super V8 models listed below. This part cross-references OE-style numbers such as C2C2261 and C2C20165 for the same application.

Vehicle Fitment

• Fits 2004 Jaguar XJ8, rear at strut
• Fits 2005 Jaguar XJ8, rear at strut
• Fits 2006 Jaguar XJ8, rear at strut
• Fits 2007 Jaguar XJ8, rear at strut
• Fits 2008-2009 Jaguar XJ8, rear at strut
• Fits 2004-2005 Jaguar XJR, rear at strut
• Fits 2006 Jaguar XJR, rear at strut
• Fits 2007 Jaguar XJR, rear at strut
• Fits 2008-2009 Jaguar XJR, rear at strut
• Fits 2004-2005 Jaguar Vanden Plas, rear at strut
• Fits 2006 Jaguar Vanden Plas, rear at strut
• Fits 2007 Jaguar Vanden Plas, rear at strut
• Fits 2008 Jaguar Vanden Plas, rear at strut
• Fits 2009 Jaguar Vanden Plas, rear at strut
• Fits 2005 Jaguar Super V8, rear at strut
• Fits 2006-2008 Jaguar Super V8, rear at strut
• Fits 2009 Jaguar Super V8, rear at strut

Common Issues It Can Solve

• Corroded or seized original PRV that prevents proper inflation or deflation
• Loss of retained air pressure in the rear strut
• Air spring damage caused by improper inflation during service
• Pressure loss related to compressor failure, compromised air lines, or valve block leaks
• Reduced rear suspension functionality on Jaguar air suspension systems

Installation Notes

Install on the rear strut location specified for the vehicle application. Verify the existing valve style, thread type, and air suspension configuration before service. Because this is a metric brass valve with male ends, matching the original connection style is important for proper sealing and operation.

Quality Assurance

Arnott supplies air suspension service components engineered for repair and restoration of factory-style systems. K-4366 is built as a direct replacement pressure retention valve for the listed Jaguar rear strut applications.