Dorman 520-571 Suspension Control Arm - Rear Left Lower or Rear Right Lower

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DormanPart #: 520-571

Dorman 520-571 Suspension Control Arm - Rear Left Lower or Rear Right Lower

Name: Dorman 520-571 Suspension Control Arm - Rear Left Lower or Rear Right Lower
Brand: Dorman
SKU: BKKY-520-571
Price: 99.04 USD
Availability: InStock

Rear Left Lower

⚙️ 214 vehicles fit this part

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🚗Fitment: Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac, Roadmaster, Brougham, Caprice, Custom Cruiser, Electra, LeSabre, Safari, Fleetwood, Parisienne, Impala, Delta 88, DeVille, 98, Estate Wagon, Riviera, Eldorado, Bonneville, Catalina, and Grand Safari

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Not what you need? Click here for all Suspension Control Arm options

Reliable Suspension Control Arm for GM Vehicles

The Dorman 520-571 suspension control arm is engineered to provide dependable performance for a range of GM vehicles including Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable steel construction and a coated finish, this control arm ensures long-lasting service in your vehicle's suspension system.

Constructed from high-strength steel with casting and forging for durability
Includes a black rubber bushing with a 14.3 mm inside diameter and 39.6 mm outside diameter
Overall length of 262.5 mm for precise fitment
Features a welded ball joint mounting type with threaded ball joint stud (ball joint not included)
Coated finish to resist corrosion and wear
Press-in end type with bushing linkage end for secure installation
Compatible with multiple GM models such as Buick LeSabre, Cadillac DeVille, Chevrolet Impala, Oldsmobile Delta 88, and Pontiac Bonneville

Durable Construction and Design Details

This suspension control arm is crafted from steel using a combination of casting and forging processes to meet the structural demands of vehicle suspension systems. The included rubber bushing helps absorb vibrations and reduce noise, contributing to a smoother ride. The black coated finish provides protection against rust and environmental damage. While the ball joint is not included, the control arm features a welded mounting type with a threaded stud to accommodate compatible ball joints. The press-in end and bushing linkage end ensure a secure and stable connection within the suspension assembly.

Compatible GM Models and Applications

The Dorman 520-571 control arm is compatible with a variety of GM vehicles, including but not limited to:

Buick LeSabre and Roadmaster
Cadillac DeVille, Eldorado, and Fleetwood
Chevrolet Caprice and Impala
Oldsmobile Delta 88 and Custom Cruiser
Pontiac Bonneville and Catalina

This part is designed to replace worn or damaged suspension control arms in these models, restoring proper suspension geometry and handling characteristics.

Common Suspension Issues Addressed

Excessive suspension noise or clunking
Uneven tire wear due to misalignment
Loose or unstable steering feel
Vibration or harshness while driving
Worn or damaged bushings causing suspension play

Installation Notes and Tips

Installation of the Dorman 520-571 control arm requires basic suspension knowledge and tools. Since the ball joint is not included, ensure you have a compatible ball joint ready for installation. The control arm features a press-in end and bushing linkage end, so proper pressing tools may be necessary to install or remove bushings. Always verify fitment with your specific vehicle model and year before installation. Torque all mounting hardware to manufacturer specifications to maintain suspension integrity.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-571 control arm undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.

Brand	Dorman
Part Number	520-571
Adjustable	No
Ball Joint Included	No
Ball Joint Installed	No
Ball Joint Mounting Type	Welded
Ball Joint Stud Type	Threaded
Bushing Color	Black
Bushing Inside Diameter	14.3
Bushing Length	92
Bushing Material	Rubber
Bushing Outside Diameter	39.6 mm
Bushings Included	Yes
Color	Black
Construction	Casting/Forged
End 2 Type	Press In
Friction Material Thickness	Coated
Grade Type	Regular
Grease Fitting Included	No
Length	262.5
Linkage End Type	Bushing
Material	Steel
Mounting Brackets Included	No
Mounting Hardware Included	No
Overall Length	262.5 mm
Package Contents	Control Arm

This part fits 214 vehicles. Search below:

Year	Make	Model	Body Type	Drive Type	Position	Notes
1992	Buick	Roadmaster	Sedan		Rear Left Lower
1992	Buick	Roadmaster	Sedan		Rear Right Lower
1992	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1992	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1991	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1991	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1990	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1990	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1990	Chevrolet	Caprice			Rear Left Lower
1990	Chevrolet	Caprice			Rear Right Lower
1990	Oldsmobile	Custom Cruiser			Rear Left Lower
1990	Oldsmobile	Custom Cruiser			Rear Right Lower
1989	Buick	LeSabre		RWD	Rear Left Lower
1989	Buick	LeSabre		RWD	Rear Right Lower
1989	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1989	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1989	Chevrolet	Caprice			Rear Left Lower
1989	Chevrolet	Caprice			Rear Right Lower
1989	Oldsmobile	Custom Cruiser			Rear Left Lower
1989	Oldsmobile	Custom Cruiser			Rear Right Lower
1989	Pontiac	Safari			Rear Left Lower
1989	Pontiac	Safari			Rear Right Lower
1988	Buick	LeSabre		RWD	Rear Left Lower
1988	Buick	LeSabre		RWD	Rear Right Lower
1988	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1988	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1988	Chevrolet	Caprice			Rear Left Lower
1988	Chevrolet	Caprice			Rear Right Lower
1988	Oldsmobile	Custom Cruiser			Rear Left Lower
1988	Oldsmobile	Custom Cruiser			Rear Right Lower
1988	Pontiac	Safari			Rear Left Lower
1988	Pontiac	Safari			Rear Right Lower
1987	Buick	LeSabre		RWD	Rear Left Lower
1987	Buick	LeSabre		RWD	Rear Right Lower
1987	Cadillac	Brougham			Rear Left Lower	Exc. Armored Car or Limousine
1987	Cadillac	Brougham			Rear Right Lower	Exc. Armored Car or Limousine
1987	Chevrolet	Caprice			Rear Left Lower
1987	Chevrolet	Caprice			Rear Right Lower
1987	Oldsmobile	Custom Cruiser			Rear Left Lower
1987	Oldsmobile	Custom Cruiser			Rear Right Lower
1987	Pontiac	Safari			Rear Left Lower
1987	Pontiac	Safari			Rear Right Lower
1986	Buick	LeSabre		RWD	Rear Left Lower
1986	Buick	LeSabre		RWD	Rear Right Lower
1986	Cadillac	Fleetwood		RWD	Rear Left Lower	Exc. Armored Car or Limousine
1986	Cadillac	Fleetwood		RWD	Rear Right Lower	Exc. Armored Car or Limousine
1986	Chevrolet	Caprice			Rear Left Lower
1986	Chevrolet	Caprice			Rear Right Lower
1986	Oldsmobile	Custom Cruiser			Rear Left Lower
1986	Oldsmobile	Custom Cruiser			Rear Right Lower
1986	Pontiac	Parisienne			Rear Left Lower
1986	Pontiac	Parisienne			Rear Right Lower
1985	Buick	LeSabre			Rear Left Lower
1985	Buick	LeSabre			Rear Right Lower
1985	Cadillac	Fleetwood		RWD	Rear Left Lower	Exc. Armored Car or Limousine
1985	Cadillac	Fleetwood		RWD	Rear Right Lower	Exc. Armored Car or Limousine
1985	Chevrolet	Caprice			Rear Left Lower
1985	Chevrolet	Caprice			Rear Right Lower
1985	Chevrolet	Impala			Rear Left Lower
1985	Chevrolet	Impala			Rear Right Lower
1985	Oldsmobile	Custom Cruiser			Rear Left Lower
1985	Oldsmobile	Custom Cruiser			Rear Right Lower
1985	Oldsmobile	Delta 88			Rear Left Lower
1985	Oldsmobile	Delta 88			Rear Right Lower
1985	Pontiac	Parisienne			Rear Left Lower
1985	Pontiac	Parisienne			Rear Right Lower
1984	Buick	LeSabre			Rear Left Lower
1984	Buick	LeSabre			Rear Right Lower
1984	Cadillac	DeVille			Rear Left Lower
1984	Cadillac	DeVille			Rear Right Lower
1984	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1984	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1984	Chevrolet	Caprice			Rear Left Lower
1984	Chevrolet	Caprice			Rear Right Lower
1984	Chevrolet	Impala			Rear Left Lower
1984	Chevrolet	Impala			Rear Right Lower
1984	Oldsmobile	98			Rear Left Lower
1984	Oldsmobile	98			Rear Right Lower
1984	Oldsmobile	Custom Cruiser			Rear Left Lower
1984	Oldsmobile	Custom Cruiser			Rear Right Lower
1984	Oldsmobile	Delta 88			Rear Left Lower
1984	Oldsmobile	Delta 88			Rear Right Lower
1984	Pontiac	Parisienne			Rear Left Lower
1984	Pontiac	Parisienne			Rear Right Lower
1983	Buick	LeSabre			Rear Left Lower
1983	Buick	LeSabre			Rear Right Lower
1983	Cadillac	DeVille			Rear Left Lower
1983	Cadillac	DeVille			Rear Right Lower
1983	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1983	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1983	Chevrolet	Caprice			Rear Left Lower
1983	Chevrolet	Caprice			Rear Right Lower
1983	Chevrolet	Impala			Rear Left Lower
1983	Chevrolet	Impala			Rear Right Lower
1983	Oldsmobile	98			Rear Left Lower
1983	Oldsmobile	98			Rear Right Lower
1983	Oldsmobile	Custom Cruiser			Rear Left Lower
1983	Oldsmobile	Custom Cruiser			Rear Right Lower
1983	Oldsmobile	Delta 88			Rear Left Lower
1983	Oldsmobile	Delta 88			Rear Right Lower
1983	Pontiac	Parisienne			Rear Left Lower
1983	Pontiac	Parisienne			Rear Right Lower
1982	Buick	LeSabre			Rear Left Lower
1982	Buick	LeSabre			Rear Right Lower
1982	Cadillac	DeVille			Rear Left Lower
1982	Cadillac	DeVille			Rear Right Lower
1982	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1982	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1982	Chevrolet	Caprice			Rear Left Lower
1982	Chevrolet	Caprice			Rear Right Lower
1982	Chevrolet	Impala			Rear Left Lower
1982	Chevrolet	Impala			Rear Right Lower
1982	Oldsmobile	98			Rear Left Lower
1982	Oldsmobile	98			Rear Right Lower
1982	Oldsmobile	Custom Cruiser			Rear Left Lower
1982	Oldsmobile	Custom Cruiser			Rear Right Lower
1982	Oldsmobile	Delta 88			Rear Left Lower
1982	Oldsmobile	Delta 88			Rear Right Lower
1981	Buick	LeSabre			Rear Left Lower
1981	Buick	LeSabre			Rear Right Lower
1981	Cadillac	DeVille			Rear Left Lower
1981	Cadillac	DeVille			Rear Right Lower
1981	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1981	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1981	Chevrolet	Caprice			Rear Left Lower
1981	Chevrolet	Caprice			Rear Right Lower
1981	Chevrolet	Impala			Rear Left Lower
1981	Chevrolet	Impala			Rear Right Lower
1981	Oldsmobile	98			Rear Left Lower
1981	Oldsmobile	98			Rear Right Lower
1981	Oldsmobile	Custom Cruiser			Rear Left Lower
1981	Oldsmobile	Custom Cruiser			Rear Right Lower
1981	Oldsmobile	Delta 88			Rear Left Lower
1981	Oldsmobile	Delta 88			Rear Right Lower
1980	Buick	LeSabre			Rear Left Lower
1980	Buick	LeSabre			Rear Right Lower
1980	Cadillac	DeVille			Rear Left Lower
1980	Cadillac	DeVille			Rear Right Lower
1980	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1980	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1980	Chevrolet	Caprice			Rear Left Lower
1980	Chevrolet	Caprice			Rear Right Lower
1980	Chevrolet	Impala			Rear Left Lower
1980	Chevrolet	Impala			Rear Right Lower
1980	Oldsmobile	98			Rear Left Lower
1980	Oldsmobile	98			Rear Right Lower
1980	Oldsmobile	Custom Cruiser			Rear Left Lower
1980	Oldsmobile	Custom Cruiser			Rear Right Lower
1980	Oldsmobile	Delta 88			Rear Left Lower
1980	Oldsmobile	Delta 88			Rear Right Lower
1979	Buick	LeSabre			Rear Left Lower
1979	Buick	LeSabre			Rear Right Lower
1979	Cadillac	DeVille			Rear Left Lower
1979	Cadillac	DeVille			Rear Right Lower
1979	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1979	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1979	Chevrolet	Caprice			Rear Left Lower
1979	Chevrolet	Caprice			Rear Right Lower
1979	Chevrolet	Impala			Rear Left Lower
1979	Chevrolet	Impala			Rear Right Lower
1979	Oldsmobile	98			Rear Left Lower
1979	Oldsmobile	98			Rear Right Lower
1979	Oldsmobile	Custom Cruiser			Rear Left Lower
1979	Oldsmobile	Custom Cruiser			Rear Right Lower
1979	Oldsmobile	Delta 88			Rear Left Lower
1979	Oldsmobile	Delta 88			Rear Right Lower
1978	Buick	LeSabre			Rear Left Lower
1978	Buick	LeSabre			Rear Right Lower
1978	Buick	Riviera			Rear Left Lower
1978	Buick	Riviera			Rear Right Lower
1978	Cadillac	DeVille			Rear Left Lower
1978	Cadillac	DeVille			Rear Right Lower
1978	Cadillac	Eldorado			Rear Left Lower
1978	Cadillac	Eldorado			Rear Right Lower
1978	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1978	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1978	Chevrolet	Caprice			Rear Left Lower
1978	Chevrolet	Caprice			Rear Right Lower
1978	Chevrolet	Impala			Rear Left Lower
1978	Chevrolet	Impala			Rear Right Lower
1978	Oldsmobile	98			Rear Left Lower
1978	Oldsmobile	98			Rear Right Lower
1978	Oldsmobile	Custom Cruiser			Rear Left Lower
1978	Oldsmobile	Custom Cruiser			Rear Right Lower
1978	Oldsmobile	Delta 88			Rear Left Lower
1978	Oldsmobile	Delta 88			Rear Right Lower
1978	Pontiac	Bonneville			Rear Left Lower	wo/Police Package
1978	Pontiac	Bonneville			Rear Right Lower	wo/Police Package
1978	Pontiac	Catalina			Rear Left Lower	wo/Police Package
1978	Pontiac	Catalina			Rear Right Lower	wo/Police Package
1977	Buick	LeSabre			Rear Left Lower
1977	Buick	LeSabre			Rear Right Lower
1977	Buick	Riviera			Rear Left Lower
1977	Buick	Riviera			Rear Right Lower
1977	Cadillac	DeVille			Rear Left Lower
1977	Cadillac	DeVille			Rear Right Lower
1977	Cadillac	Eldorado			Rear Left Lower
1977	Cadillac	Eldorado			Rear Right Lower
1977	Cadillac	Fleetwood			Rear Left Lower	Exc. Armored Car or Limousine
1977	Cadillac	Fleetwood			Rear Right Lower	Exc. Armored Car or Limousine
1977	Chevrolet	Caprice			Rear Left Lower
1977	Chevrolet	Caprice			Rear Right Lower
1977	Chevrolet	Impala			Rear Left Lower
1977	Chevrolet	Impala			Rear Right Lower
1977	Oldsmobile	98			Rear Left Lower
1977	Oldsmobile	98			Rear Right Lower
1977	Oldsmobile	Custom Cruiser			Rear Left Lower
1977	Oldsmobile	Custom Cruiser			Rear Right Lower
1977	Oldsmobile	Delta 88			Rear Left Lower
1977	Oldsmobile	Delta 88			Rear Right Lower
1977	Pontiac	Bonneville			Rear Left Lower	wo/Police Package
1977	Pontiac	Bonneville			Rear Right Lower	wo/Police Package
1977	Pontiac	Catalina			Rear Left Lower	wo/Police Package
1977	Pontiac	Catalina			Rear Right Lower	wo/Police Package

* 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:

10000334NI

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