Corteco 49391597 - Beam Axle Mount (Rear)

Product Overview

The Corteco 49391597 is a rear beam axle mount engineered for Audi and Porsche vehicles from 2009 to 2016. This mount supports the rear suspension geometry and absorbs vibration and road noise transmitted through the axle assembly. It fits the C7 A6 sedan and wagon, C7 S6, C7 S7, C7 RS7, 8R Q5 SUV, 8R SQ5, and 95B Macan, making it an essential component for maintaining ride quality and suspension alignment on these platforms.

This beam axle mount is sold individually. Order quantity 2 to replace both rear axle attachment points.

Cross Reference Numbers

This Corteco 49391597 is equivalent to or replaces the following part numbers: 8K0599257M, 8K0599257P, 1007100047, 3632001.

Vehicle Compatibility

This part fits the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility for your vehicle.

• Audi A6 Quattro sedan and wagon 2.0 L4 and 3.0 V6 gas (C7): 2013–2015
• Audi A6 Quattro sedan 4.2 V8 gas (C7): 2009–2011
• Audi A6 sedan 2.0 L4 gas FWD (C7): 2016
• Audi A6 Quattro sedan and wagon 2.0 L4 gas (C7): 2016
• Audi A6 Quattro sedan and wagon 3.0 V6 gas (C7): 2009–2016
• Audi A6 Quattro sedan and wagon 3.0 V6 diesel (C7): 2014–2015
• Audi A7 Quattro sedan 3.0 V6 gas (C7): 2012–2016
• Audi A7 Quattro sedan 3.0 V6 diesel (C7): 2014–2015
• Audi Q5 SUV 2.0 L4 gas and flex fuel (8R): 2011–2014
• Audi Q5 SUV 3.2 V6 gas (8R): 2009–2012
• Audi Q5 SUV 3.0 V6 gas (8R): 2013–2015
• Audi Q5 SUV 3.0 V6 diesel (8R): 2014–2015
• Audi RS7 Sportback 4.0 V8 gas (C7): 2014–2016
• Audi S6 sedan 4.0 V8 gas (C7): 2013–2016
• Audi S7 Sportback 4.0 V8 gas (C7): 2013–2016
• Audi SQ5 SUV 3.0 V6 gas (8R): 2014–2015
• Porsche Macan SUV 3.0 V6 and 3.6 V6 gas (95B): 2015–2016

This may also fit other applications. Please use the vehicle selector tool to verify fitment.

Often Replaced Together

For a complete rear suspension service, many owners replace the following at the same time:

• Rear suspension bushings and mounts
• Rear shock absorbers or struts
• Rear sway bar links
• Rear trailing arm bushings

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Frequently Asked Questions

How do I know if my Audi A6 or Q5 rear beam axle mount needs replacement?

Common symptoms of a failing beam axle mount include clunking or knocking noises from the rear suspension during acceleration or braking, increased vibration transmitted through the chassis, visible cracks or deterioration in the rubber bushing, or a noticeable shift in rear suspension geometry that affects alignment or ride height. If you notice any of these signs, have the mount inspected promptly to prevent secondary suspension damage.

How many beam axle mounts do I need?

A typical rear axle assembly uses two beam axle mounts, one on each side. Order quantity 2 to replace both mounting points and ensure balanced suspension geometry and ride quality.

Should I replace my rear shock absorbers at the same time as the beam axle mount?

While not always necessary, replacing worn shocks or struts during a beam axle mount service is often recommended. Worn suspension components can accelerate bushing failure and compromise the effectiveness of a new mount. Consult your service history and inspect the shocks visually before deciding.

What tools and how long does installation take?

Installation requires a floor jack, jack stands, a socket set, a torque wrench, and potentially a suspension press or specialized bushing removal tool depending on your vehicle's design. The job typically takes 1 to 2 hours per side for a professional technician. Refer to your factory service manual for exact torque specifications and proper removal procedures for your specific model year.

Is this mount compatible with both gas and diesel Audi models?

Yes, this Corteco mount is engineered to fit Audi gas and diesel variants across the C7 A6, A7, and 8R Q5 platforms. Engine type does not affect rear suspension geometry on these models, so the mount is universal across fuel types within the same chassis generation.

Can a worn beam axle mount affect my alignment?

Yes, a deteriorated beam axle mount can allow excessive movement in the rear suspension, leading to poor wheel alignment and uneven tire wear. After replacing the mount, have your rear alignment checked by a professional alignment shop to restore proper toe and camber settings.

Order Corteco 49391597 today. In-stock orders ship same or next business day from our U.S. warehouse, and our fitment team is one call away if you need help confirming the right part for your Audi or Porsche.

Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.