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Dorman 521-507 Lower Rearward Suspension Control Arm and Ball Joint Assembly - Rear

(2000-2002, 2007-2008 Audi S4; 1996-2002, 2007-2008 Audi A4 Quattro; 2007-2008 Audi A4; 2008-2010 Ford F-250 Super Duty; 2008-2010 Ford F-350 Super Duty)

Part of: Dorman Lower Rearward Suspension Control Arm and Ball Joint Assembly

Other options in this family: Dorman 521-163 Dorman 522-879 Dorman 527-389 Dorman 526-590 Dorman 524-223

Manufacturer

Picture for manufacturer Dorman

Part Number

521-507
6 reviews
Sale Price

$19.98

In Stock (5)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Dorman 521-507 is a rear lower rearward suspension control arm and ball joint assembly engineered as a direct OE replacement. Designed to restore proper suspension geometry, this assembly delivers a smooth ride, directional stability, and confident handling on compatible vehicles.

Dorman engineers analyze the failure points of the original equipment design before building each replacement, incorporating improvements to reduce the likelihood of repeat failures. Every unit undergoes rigorous testing to meet industry-leading quality standards before leaving the factory.

Key Features:

  • Complete assembly — includes a pre-installed ball joint and bushings for a straightforward, time-saving installation
  • Direct OE replacement — bolt-on fit that matches the form and function of the original equipment part
  • Steel construction with a durable black finish for long-lasting performance
  • Rubber bushings included — pre-installed to absorb road vibration and reduce NVH (noise, vibration, harshness)
  • Corrosion-resistant coatings — additional surface treatments provide protection against rust and the elements
  • Rigorously tested for sustained, secure performance and passenger safety

This control arm and ball joint assembly is a cost-effective solution for restoring rear suspension performance. The pre-assembled design eliminates the need to source and press in separate components, reducing labor time during installation.

Products specifications

Fits

2000-2002, 2007-2008 Audi S4; 1996-2002, 2007-2008 Audi A4 Quattro; 2007-2008 Audi A4; 2008-2010 Ford F-250 Super Duty; 2008-2010 Ford F-350 Super Duty

Feature - Benefit 1

Bushings included for a complete installation, saving time and labor (where applicable)

Feature - Benefit 2

Direct replacement for a trouble-free installation

Feature - Benefit 3

Steel, iron or aluminum construction ensures durability

Feature - Benefit 4

Powder-coated or painted for long-lasting rust and corrosion resistance

Ball Joint Included

Yes

Suspension Grade Type

Light

Mounting Hole Quantity

1

Control Arm Maximum Width

288.5

Ball Joint Installed

Yes

Bushing Material

Rubber

Mounting Hole Diameter

12.3

Pre-Greased

Yes

Mounting Hardware Included

Yes

Control Arm Maximum Length

237

Ball Joint Mounting Type

Machined

Package Contents

1 Trailing Arm

Control Arm Color

Black

Control Arm Type

Casting/Forged

Grease Fitting Included

No

Control Arm Material

Steel

Ball Joint Thread Diameter

14

Grade Type

Regular

Adjustable

No

Ball Joint Stud Type

Threaded

Bushings Included

Yes

This company offers profesional service at a very competitive price. The header collectors i ordered were not available at the big speed outlets. The fast shipping was also a plus. I would recomend Autoplicity to anyone who needs parts in a hurry !

Recieved item in great shape. Could be a little faster with shipping, but over all, I had a good pleasant experience. Thank you.

Quick and easy to find what I wanted.

Easy to use web site. Quickly found what I needed. Smooth check out and SUPER FAST delivery. Couldn't ask for a better transaction experience. Bookmarked and for sure "GO TO" for next auto parts search. Thanks Autoplicity

Great exchange. Received product as described and in a timely manner. Thanks! Will Do business again

I am impressed with they mail order service. Recommended.

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