HomeSuspension > Suspension, Springs and Related ComponentsDorman 521-365 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: 521-365

Dorman 521-365 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$95.76Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Catera
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Durable Suspension Control Arm and Ball Joint Assembly for Cadillac Catera

The Dorman 521-365 suspension control arm and ball joint assembly is engineered to restore precise steering and suspension performance for your Cadillac Catera. Designed with quality steel construction and pre-greased components, this assembly ensures reliable operation and long service life.

  • Pre-greased for immediate installation and smooth operation
  • Includes rubber bushings and mounting hardware for a complete replacement
  • Steel control arm with casting/forged design for strength and durability
  • Bolt-in ball joint with pinch stud type, installed and ready to use
  • Compatible with Cadillac Catera suspension systems requiring a light suspension grade type

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 521-365) is specifically designed for the Cadillac Catera. The control arm is constructed from durable steel with a black finish, measuring a maximum length of 237 mm and a width of 288.5 mm. It features a single mounting hole with a diameter of 12.3 mm, and includes rubber bushings to absorb road vibrations and improve ride quality. The ball joint is pre-installed with a 14 mm thread diameter pinch stud, secured by bolt-in mounting for straightforward replacement. This assembly is pre-greased, eliminating the need for additional lubrication during installation. Mounting hardware is included to facilitate a complete and secure fit.

Applications and Problem Resolution

This Dorman suspension control arm and ball joint assembly is used to maintain proper suspension geometry and steering control on the Cadillac Catera. It addresses common suspension issues such as:

  • Excessive play or looseness in the front suspension
  • Uneven tire wear caused by worn control arm bushings or ball joints
  • Clunking or knocking noises during driving over bumps
  • Poor steering response or alignment problems
  • Vibration or instability at higher speeds

Installation Notes and Tips

Installation of the Dorman 521-365 control arm and ball joint assembly requires basic suspension knowledge and tools. Since the ball joint is pre-installed and the assembly is pre-greased, it reduces installation time. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Torque all mounting bolts to manufacturer specifications. Alignment is recommended after installation to maintain proper handling and tire wear.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards for fit, form, and function. The 521-365 assembly undergoes rigorous quality checks to ensure durability and performance. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in your replacement part for the Cadillac Catera.

BrandDorman
Part Number521-365
AdjustableNo
Ball Joint IncludedYes
Ball Joint InstalledYes
Ball Joint Mounting TypeBolt In
Ball Joint Stud TypePinch
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 TypeCasting/Forged
Grade TypeRegular
Grease Fitting IncludedNo
Mounting Hardware IncludedYes
Mounting Hole Diameter12.3 mm
Mounting Hole Quantity1
Package ContentsControl Arm and Ball Joint Assembly
Pre-GreasedYes
Suspension Grade TypeLight

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2001CadillacCateraFront Left Lower
2000CadillacCateraFront Left Lower
1999CadillacCateraFront Left Lower
1998CadillacCateraFront Left Lower
1997CadillacCateraFront 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:

260544790497307CA752BCB50076CK620461CMS50132GS50132JTC927TC872

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