FCS 99009 Air Suspension Strut - Rear Right

Rear Right Air Strut for Audi A8 Quattro

The FCS 99009 is a rear right air suspension strut assembly for select 2004-2010 Audi A8 Quattro models without sport suspension. It is built around a 21.18-inch compressed length, 26.38-inch extended length, and 5.2-inch stroke length to match the suspension travel required for this application.

Key Features

• Air suspension strut assembly for the rear right position
• Fits 2004-2010 Audi A8 Quattro, rear right
• 21.18 in. compressed length for OE-style packaging
• 26.38 in. extended length for suspension extension range
• 5.2 in. stroke length for controlled vertical movement
• New electronic air strut assembly for vehicles without sport suspension
• FCS 99009 part number for application matching and catalog lookup

Detailed Description

FCS 99009 is an air suspension strut for the rear right side of the Audi A8 Quattro platform, covering 2004-2010 vehicles with the D3 4E chassis and no sport suspension. The dimensional specs are important for proper ride height and suspension geometry: the compressed length measures 21.18 inches, the extended length measures 26.38 inches, and the stroke length is 5.2 inches. These measurements help identify the correct replacement when servicing the rear air suspension system on an Audi A8 Quattro.

The FCS brand line is used for direct-fit suspension replacement parts, and this unit is cataloged as FCS 99009 for easy cross-checking during parts lookup. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

• Rear suspension sag on the right side
• Uneven ride height at the back of the vehicle
• Air strut leakage or loss of damping performance
• Excessive bouncing or unstable rear suspension response
• Warning lights related to rear air suspension faults

Installation Notes and Tips

Verify that the vehicle is a 2004-2010 Audi A8 Quattro with rear right placement and without sport suspension before ordering. Confirm the D3 4E chassis application and compare the compressed length, extended length, and stroke length to the original unit during replacement. After installation, inspect the air suspension system for leaks and confirm proper ride height calibration.

Quality Assurance

Use the part number FCS 99009 to confirm application details against the vehicle’s rear right air strut specification. Matching the listed dimensions and fitment notes is essential for correct installation on the Audi A8 Quattro platform.