HomeSuspension > Suspension, Springs and Related ComponentsDorman 521-857 Suspension Control Arm - Rear Left Lower
Part #: 521-857

Dorman 521-857 Suspension Control Arm - Rear Left Lower

Rear Left Lower
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai, Azera and Sonata
🔄Easy Returns — Return within 60 days for a full refund
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Durable Suspension Control Arm for Hyundai Azera and Sonata

The Dorman 521-857 suspension control arm is engineered to provide reliable performance for Hyundai Azera and Sonata models. Constructed from coated steel with a boxed design, this control arm offers strength and durability for your vehicle's suspension system.

  • Made from high-quality steel with a coated finish for corrosion resistance
  • Boxed construction enhances structural integrity
  • Includes a black rubber bushing with a 14.3 mm inside diameter for smooth operation
  • Overall length of 262.5 mm designed to match OEM specifications
  • Welded ball joint mounting type with threaded stud (ball joint not included)
  • Press-in end type with bushing linkage end for secure fitment

Product Details and Specifications

This Dorman suspension control arm (part number 521-857) is designed specifically for Hyundai Azera and Sonata vehicles, ensuring precise fit and function. The control arm features a boxed steel construction that provides enhanced rigidity and durability compared to stamped alternatives. Its black coated finish helps resist rust and corrosion, extending the service life of the component.

The included rubber bushing is engineered to absorb vibrations and reduce noise, improving ride comfort. With a bushing length of 92 mm and an outside diameter of 39.6 mm, it fits securely within the arm. The ball joint mounting is welded with a threaded stud type, though the ball joint itself is not included with this part. This control arm is a non-adjustable, regular grade replacement designed to meet factory specifications.

Compatible Vehicles and Common Applications

  • Hyundai Azera suspension repair or replacement
  • Hyundai Sonata front suspension maintenance
  • Resolving issues with worn or damaged control arms
  • Addressing suspension noise or vibration caused by faulty bushings
  • Improving vehicle handling and alignment stability

Installation Notes and Tips

When installing the Dorman 521-857 suspension control arm, ensure the vehicle is properly supported and the suspension components are safely accessed. Since mounting hardware and ball joints are not included, reuse existing hardware or source compatible replacements as needed. Verify bushing orientation and torque specifications according to Hyundai service guidelines to maintain proper suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-857 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details are not provided, Dorman typically offers limited warranties on their suspension parts to cover defects in materials and workmanship.

BrandDorman
Part Number521-857
MaterialSteel
Bushing ColorBlack
Length262.5
ConstructionBoxed
ColorBlack
FinishCoated
Grease Fitting IncludedNo
Bushings IncludedYes
Ball Joint Mounting TypeWelded
Ball Joint Stud TypeThreaded
Ball Joint IncludedNo
Mounting Hardware IncludedNo
Grade TypeRegular
AdjustableNo
Bushing MaterialRubber
Bushing Inside Diameter14.3
Bushing Length92
Ball Joint InstalledNo
Bushing Outside Diameter39.6 mm
Bushing Quantity1
End 2 TypePress in
Linkage End TypeBushing
Mounting Brackets IncludedNo
Overall Length262.5 mm
Package ContentsSuspension control arm

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2011HyundaiAzeraRear Left Lower
2010HyundaiAzeraRear Left Lower
2010HyundaiSonataRear Left Lower
2009HyundaiAzeraRear Left Lower
2009HyundaiSonataRear Left Lower
2008HyundaiAzeraRear Left Lower
2008HyundaiSonataRear Left Lower
2007HyundaiAzeraRear Left Lower
2007HyundaiSonataRear Left Lower
2006HyundaiAzeraRear Left Lower
2006HyundaiSonataRear Left Lower

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

102-723926064814CB90124552103K700CA1386CMS901008RK641274TC6102

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.