HomeSuspension > Suspension, Springs and Related ComponentsDorman 520-173 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: 520-173

Dorman 520-173 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
7 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Nissan, 300ZX
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Overview of Dorman Suspension Control Arm and Ball Joint Assembly

The Dorman 520-173 suspension control arm and ball joint assembly is designed specifically for Nissan 300ZX models. This pre-greased, stamped steel control arm comes with a fully installed ball joint and rubber bushings, providing a reliable replacement for your vehicle's suspension system.

  • Pre-greased for immediate installation
  • Includes rubber bushings and mounting hardware
  • Stamped steel control arm with black finish
  • Press-in ball joint with threaded stud (14 mm thread diameter)
  • Compatible with Nissan 300ZX suspension systems

Detailed Product Description

The Dorman 520-173 control arm and ball joint assembly is engineered as a light suspension grade component, suitable for regular driving conditions. Constructed from durable stamped steel, the control arm measures up to 237 mm in length and 288.5 mm in width, ensuring proper fitment and alignment. The assembly includes a press-in ball joint with a threaded stud, designed for secure mounting and long-lasting performance. Rubber bushings are integrated to reduce vibration and noise, enhancing ride comfort. This assembly comes with one mounting hole (12.3 mm diameter) and all necessary mounting hardware for straightforward installation.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is compatible with Nissan 300ZX models. It is intended for use in suspension repairs or upgrades where the control arm or ball joint has worn or failed.

  • Worn or damaged control arm bushings causing suspension noise
  • Loose or failing ball joints affecting steering stability
  • Suspension misalignment or uneven tire wear
  • Vibration or clunking noises during driving
  • Replacement during suspension system overhaul

Installation Notes and Tips

Installation of the Dorman 520-173 assembly requires basic suspension repair tools. Since the ball joint is pre-installed and the control arm is pre-greased, the assembly is ready for immediate installation. Ensure proper torque specifications are followed for mounting hardware and ball joint stud. Alignment check after installation is recommended to maintain optimal handling and tire wear.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-173 suspension control arm and ball joint assembly undergoes quality inspections to ensure durability and performance. This product includes a limited warranty covering defects in material and workmanship under normal use.

BrandDorman
Part Number520-173
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypePress In
Ball Joint Stud TypeThreaded
Ball Joint Thread Diameter14
Bushing MaterialRubber
Bushings IncludedYes
Control Arm ColorBlack
Control Arm MaterialSteel
Control Arm Maximum Length237
Control Arm Maximum Width288.5
Control Arm TypeStamped
Grade TypeRegular
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Mounting Hole Diameter12.3 mm
Mounting Hole Quantity1
Package ContentsSuspension Control Arm and Ball Joint Assembly
Pre-GreasedYes
Suspension Grade TypeLight

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
1996Nissan300ZXFront Left Lower
1995Nissan300ZXFront Left Lower
1994Nissan300ZXFront Left Lower
1993Nissan300ZXFront Left Lower
1992Nissan300ZXFront Left Lower
1991Nissan300ZXFront Left Lower
1990Nissan300ZXFront 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:

26073675450137P006CB30398CMS30130RK622773

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