Dorman 540-126 Suspension Knuckle Bushing - Rear Lower Rearward

OE-Style Rear Lower Rearward Bushing

Dorman 540-126 is a suspension knuckle bushing engineered as a direct replacement for the original equipment on specific Audi applications. It is built for the rear lower rearward position and is a practical choice for restoring suspension joint support on Audi A4, A5, S4, S5, Q5, and SQ5 models.

For drivers searching for a rear lower rearward suspension knuckle bushing for Audi A4 Quattro or Audi Q5, this part number 540-126 provides a fit-focused replacement option with OE-style dimensions and application coverage.

Key Features

• Precision-engineered replacement for the original suspension knuckle bushing
• Rigorously tested for reliable service on listed vehicle applications
• Fits the rear lower rearward suspension position
• Direct replacement for Audi OE part number 8K0505365B
• Brand: Dorman part number 540-126

Detailed Description

Dorman 540-126 is designed for specific Audi rear suspension applications where the knuckle bushing must maintain proper alignment and support at the rear lower rearward mounting point. It is a fit-specific replacement for vehicles including 2008-2017 Audi A5 Quattro, 2009-2017 Audi Q5, 2008-2017 Audi S5, 2014-2017 Audi SQ5, 2009-2016 Audi A4, 2013-2016 Audi A4 allroad, 2009-2016 Audi A4 Quattro, 2008-2016 Audi A5, and 2010-2016 Audi S4. This part cross-references OE number 8K0505365B for the same application.

What It Helps Address

• Rear suspension looseness or excess movement at the knuckle
• Clunking or knocking from the rear suspension area
• Uneven rear suspension response over bumps and road joints
• Worn OE bushing replacement needs on Audi rear lower rearward positions
• Restoration of suspension support on Audi A4, A5, Q5, S4, S5, and SQ5 models

Installation Notes and Tips

Verify the vehicle year, model, and rear lower rearward position before ordering. Inspect the surrounding suspension components for wear, corrosion, or damage before installation so the new bushing is not installed into a compromised assembly. Professional installation is recommended because suspension bushings typically require proper pressing and alignment procedures.

Quality Assurance

This Dorman suspension knuckle bushing is precision-engineered and rigorously tested to meet the demands of the listed Audi applications. It is built as an OE-style replacement for dependable fit and function on the specified vehicles.