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034Motorsport Density Line Front Upper and Lower Control Arm Kit, Audi 4M RSQ8, Bentley Bentayga, Porsche E3 Cayenne, & Lamborghini Urus

Ships from Supplier
SKU 034-401-10/87
Original price $744.00 - Original price $744.00
Original price
$744.00
$744.00 - $744.00
Current price $744.00
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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Luxury performance SUVs like the RSQ8, Bentayga, Cayenne, and Urus are celebrated for their commanding presence and impressive power, but their handling performance often comes at the cost of suspension comfort and precision. The factory front control arms are designed to prioritize a smooth, compliant ride, but as they wear out, often as early as 40,000 miles, steering responsiveness and stability can decline, especially under spirited driving conditions.

Engineered as a direct replacement for the factory front control arms, Density Line Control Arms feature high-durometer rubber bushings along with premium ball joints to significantly reduce unwanted suspension deflection. This translates to a level of precision and handling performance that is truly befitting of the world’s finest luxury SUVs. The result is a front suspension that feels as smooth and refined as the factory setup, but with significantly enhanced durability and control, giving you the confidence to push your SUV to its limits on the street, backroads, or track.

The factory front control arms are an integral part of the suspension, especially on enthusiast-owned vehicles which are driven hard on the street, backroads, or the track. As the rubber bushings degrade and ball joints develop play, alignment is compromised and steering becomes less precise. This kit is a drop-in replacement with feature improvements over stock, that will tighten up front-end feel and allow camber adjustment to significantly improve handling. With 034Motorsport’s Density Line Control Arms installed, you can enjoy the perfect synergy of luxury, performance, and reliability.

034Motorsport's complete Density Line Control Arm Kit with Non-Adjustable Control Arms are designed to be performance replacements for all eight of the factory front upper and lower control arms. The result is tighter handling and more precise steering response than even brand new factory control arms can offer. In addition, adjustable upper control arms allow optimal alignment for your lowered or performance driven vehicle.

Features:

Density Line Non-Adjustable:

  • Complete, Drop-In Replacement for Factory Upper Control Arms
  • Offers Improved Handling Feel & Steering Precision
  • High-Durometer Rubber Bushings (65 - 70 Durometer)
  • No Fluid, So Unlike OE Arms, the Bushings Cannot Leak
  • Includes New Hardware & Ball Joints

WHAT’S INCLUDED:

  • Front Lower Control Arms - Front (Left & Right)
  • Front Lower Control Arms - Rear (Left & Right)
  • Front Upper Control Arms - Front (Left & Right)
  • Front Upper Control Arms - Rear (Left & Right)
  • Installation Hardware Kit

OE PART INTERCHANGE:

Upper Arms:

  • Control Arm, Upper Front Left: 4M0 407 505 B
  • Control Arm, Upper Front Right: 4M0 407 506 B
  • Control Arm, Upper Rear Left: 4M0 407 509 B
  • Control Arm, Upper Rear Right: 4M0 407 510 B
  • Control Arm, Lower Front Left: 4M0 407 151 L
  • Control Arm, Lower Front Right: 4M0 407 152 L
  • Control Arm, Lower Rear Left: 4M0 407 693 F
  • Control Arm, Lower Rear Right: 4M0 407 694 F
  • Ball Joint Front Right and Left: 4M0 407 689 C

Installation Note:

It is imperative that the suspension be compressed to static ride height before any suspension pivot bushings are tightened, as per the factory installation procedure. If this is not done, the bushings will tear prematurely as the twisting forces on them will be much higher than is intended. 034Motorsport's Limited Warranty on Density Line products does not cover premature failure due to improper installation or use. We highly recommend professional installation for this product.

Fitment/Applications:

  • Audi RSQ8 2020-Present 4M8 4.0 TFSI
  • Bentley Bentayga 2015-Present MLB Evo 4.0T
  • Bentley Bentayga 2015-Present MLB Evo W12
  • Bentley Bentayga 2015-Present MLB Evo 3.0T
  • Lamborghini Urus 2017-Present MLB Evo 4.0T
  • Porsche Cayenne 2015-Present E3 2.9T FSI
  • Porsche Cayenne 2015-Present E3 3.0T FSI
  • Porsche Cayenne 2015-Present E3 4.0T FSI

This part also goes by the following cross reference.

Cross Reference Part Number:

About this Control Arm

The 034MOTORSPORT 034-401-10/87 control arm links the wheel hub to the car's body or subframe, holding the wheel in position while letting the suspension move. Its bushings and ball joint wear over time, which affects steering precision, tire wear and noise.

Frequently asked questions

What does a control arm do?

It locates the wheel and controls its movement as the suspension travels, keeping alignment angles consistent. Bushings at the body end and a ball joint at the wheel end allow that movement while absorbing vibration.

What are the signs of a worn control arm?

Clunking over bumps, vague or wandering steering, vibration through the steering wheel, uneven tire wear, cracked or torn bushings, or play in the ball joint.

Should I replace control arms in pairs?

Replacing both sides of the same axle keeps handling balanced, and when one side is worn the other is often close behind. Many owners replace related arms and bushings at the same time.

Is anything special needed during installation?

Tighten the bushing bolts with the car at normal ride height, not with the suspension hanging, or the bushings will be pre-loaded and wear early. Use new bolts or nuts where the manufacturer specifies it, and have an alignment done afterwards.

How do I make sure this control arm fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.