HomeSuspension > Suspension, Springs and Related ComponentsDorman 520-148 Suspension Control Arm - Front Right Lower
Part #: 520-148

Dorman 520-148 Suspension Control Arm - Front Right Lower

Front Right Lower
42 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$94.56Free 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: Chevrolet, Oldsmobile, Buick, and Pontiac, Lumina, Monte Carlo, Cutlass Supreme, Regal, and Grand Prix
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 for Buick, Chevrolet, Oldsmobile, and Pontiac

The Dorman 520-148 suspension control arm is engineered to restore precise handling and suspension performance for select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with quality steel construction and a coated finish, this control arm offers reliable durability and fitment for vehicles like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

  • Constructed from durable steel with casting and forging for strength
  • Includes a black rubber bushing with a 14.3 mm inside diameter for smooth suspension articulation
  • Coated black finish resists corrosion and wear
  • Welded ball joint mounting type with threaded ball joint stud (ball joint not included)
  • Overall length of 262.5 mm for precise fitment
  • Press-in end type with bushing linkage end for secure installation
  • Compatible with Buick Cutlass Supreme, Chevrolet Lumina, Oldsmobile Regal, Pontiac Grand Prix, and Monte Carlo

Detailed Description of Dorman 520-148 Suspension Control Arm

This suspension control arm from Dorman is designed to meet the specifications required for proper suspension geometry and vehicle stability. The steel construction combines casting and forging processes to provide a robust component capable of withstanding road stresses. The included black rubber bushing reduces vibration and noise while maintaining suspension flexibility. The coated finish helps protect the arm from rust and environmental damage, extending its service life. The welded ball joint mounting type with a threaded stud allows for secure attachment of the ball joint (sold separately). With an overall length of 262.5 mm, this control arm ensures accurate alignment and fitment for the specified vehicle models.

Common Suspension Issues Addressed by This Control Arm

  • Worn or damaged control arm bushings causing poor handling or uneven tire wear
  • Corroded or weakened control arm structure affecting suspension stability
  • Loose or damaged ball joint mounting points leading to steering play
  • Vibration and noise from deteriorated suspension components
  • Misalignment issues resulting in uneven tire contact and premature wear

Installation Notes and Tips

  • Ensure the ball joint is compatible and installed separately, as it is not included
  • Use proper torque specifications for mounting bolts to maintain suspension integrity
  • Inspect related suspension components during installation for wear or damage
  • Alignment check is recommended after installation to ensure proper vehicle handling
  • Press-in end type requires appropriate tools for bushing installation

Quality Assurance and Warranty Information

Dorman suspension control arms are manufactured to meet or exceed OEM standards for fit, form, and function. The 520-148 part is backed by Dorman's quality assurance processes to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman's official documentation for exact warranty terms.

BrandDorman
Part Number520-148
AdjustableNo
Ball Joint IncludedNo
Ball Joint InstalledNo
Ball Joint Mounting TypeWelded
Ball Joint Stud TypeThreaded
Bushing ColorBlack
Bushing Inside Diameter14.3
Bushing Length92
Bushing MaterialRubber
Bushing Outside Diameter39.6 mm
Bushings IncludedYes
ColorBlack
ConstructionCasting/Forged
End 2 TypePress In
Friction Material ThicknessCoated
Grade TypeRegular
Grease Fitting IncludedNo
Length262.5
Linkage End TypeBushing
MaterialSteel
Mounting Brackets IncludedNo
Mounting Hardware IncludedNo
Overall Length262.5 mm
Package ContentsControl Arm

This part fits 42 vehicles. Search below:

YearMakeModelPositionNotes
2001ChevroletLuminaFront Right Lower
2000ChevroletLuminaFront Right Lower
1999ChevroletLuminaFront Right Lower
1999ChevroletMonte CarloFront Right Lower
1998ChevroletLuminaFront Right Lower
1998ChevroletMonte CarloFront Right Lower
1997ChevroletLuminaFront Right Lower
1997ChevroletMonte CarloFront Right Lower
1997OldsmobileCutlass SupremeFront Right Lower
1996BuickRegalFront Right Lower
1996ChevroletLuminaFront Right Lower
1996ChevroletMonte CarloFront Right Lower
1996OldsmobileCutlass SupremeFront Right Lower
1996PontiacGrand PrixFront Right Lower
1995BuickRegalFront Right Lower
1995ChevroletLuminaFront Right Lower
1995ChevroletMonte CarloFront Right Lower
1995OldsmobileCutlass SupremeFront Right Lower
1995PontiacGrand PrixFront Right Lower
1994BuickRegalFront Right Lower
1994ChevroletLuminaFront Right Lower
1994OldsmobileCutlass SupremeFront Right Lower
1994PontiacGrand PrixFront Right Lower
1993BuickRegalFront Right Lower
1993ChevroletLuminaFront Right Lower
1993OldsmobileCutlass SupremeFront Right Lower
1993PontiacGrand PrixFront Right Lower
1992BuickRegalFront Right Lower
1992ChevroletLuminaFront Right Lower
1992OldsmobileCutlass SupremeFront Right Lower
1992PontiacGrand PrixFront Right Lower
1991BuickRegalFront Right Lower
1991ChevroletLuminaFront Right Lower
1991OldsmobileCutlass SupremeFront Right Lower
1991PontiacGrand PrixFront Right Lower
1990BuickRegalFront Right Lower
1990ChevroletLuminaFront Right Lower
1990OldsmobileCutlass SupremeFront Right Lower
1990PontiacGrand PrixFront Right Lower
1989BuickRegalFront Right Lower
1989OldsmobileCutlass SupremeFront Right Lower
1989PontiacGrand PrixFront Right 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:

101146642605892CA376CB50032CMS20333FA4886GS20333RK640296TC5934

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