HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC6557 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Part #: TC6557

Delphi TC6557 Suspension Control Arm and Ball Joint Assembly - Front Left Lower

Front Left Lower
⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, Oldsmobile, and Pontiac, Achieva, Alero, Corsica, Grand Am, and Skylark
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC6557 suspension control arm and ball joint assembly is designed for front left lower suspension applications on select Buick, Chevrolet, Oldsmobile, and Pontiac models. This pre-greased, stamped steel control arm offers a reliable replacement option for vehicles such as the Buick Skylark, Chevrolet Corsica, and Pontiac Grand Am.

  • Pre-greased for immediate installation
  • Includes rubber bushings for vibration dampening
  • Stamped steel construction with black finish
  • Press-in ball joint with threaded stud
  • Standard replacement grade for light suspension use
  • Includes mounting hardware for secure fitment
  • Compatible with front left lower position

Detailed Product Description

The Delphi TC6557 control arm assembly features a durable stamped steel construction finished in black to resist corrosion. It comes pre-greased, eliminating the need for additional lubrication during installation. The assembly includes rubber bushings that help absorb road vibrations and improve ride quality. The ball joint is press-in mounted with a threaded stud type, ensuring a secure and precise fit. Designed for light suspension grade applications, this control arm is suitable for front left lower suspension on Buick Achieva, Chevrolet Alero, Oldsmobile models, and Pontiac Grand Am and Skylark vehicles.

Common Applications and Problem Resolution

  • Replaces worn or damaged front left lower suspension control arms
  • Addresses excessive suspension noise or clunking
  • Corrects uneven tire wear caused by faulty bushings
  • Improves steering stability and alignment issues
  • Restores proper suspension geometry for safer handling

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model, specifically Buick Achieva, Chevrolet Corsica, or Pontiac Grand Am. The control arm is not adjustable and comes pre-greased, so no additional lubrication is necessary. Use appropriate tools to press in the ball joint and torque mounting bolts to manufacturer specifications. Ensure the mounting holes, sized at 12.3 mm and 14.3 mm, align correctly for a secure fit.

Quality Assurance and Warranty

The Delphi TC6557 suspension control arm and ball joint assembly meets standard replacement grade requirements for light suspension use. Manufactured with quality materials and tested for durability, this part is backed by Delphi’s commitment to automotive component reliability. Please consult Delphi’s warranty policy for specific coverage details.

BrandDelphi
Part NumberTC6557
Pre-GreasedYes
Grease Fitting IncludedNo
Suspension Grade TypeLight
Bushings IncludedYes
Ball Joint Mounting TypePress in
Ball Joint Stud TypeThreaded
Control Arm ConstructionStamped
Control Arm MaterialSteel
Mounting Hardware IncludedYes
Mounting Hole Quantity2
AdjustableNo
GreaseableNo
Control Arm Maximum Width379.1
Control Arm ColorBlack
Control Arm Maximum Length338.7
Bushing MaterialRubber
Mounting Hole Diameter12.3
Mounting Hole Diameter14.3
Item GradeStandard replacement
Position(s)Front left lower

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2004OldsmobileAleroFront Left Lower
2003OldsmobileAleroFront Left Lower
2002OldsmobileAleroFront Left Lower
2001OldsmobileAleroFront Left Lower
2000OldsmobileAleroFront Left Lower
1999OldsmobileAleroFront Left Lower
1998BuickSkylarkFront Left Lower
1998OldsmobileAchievaFront Left Lower
1998PontiacGrand AmFront Left Lower
1997BuickSkylarkFront Left Lower
1997OldsmobileAchievaFront Left Lower
1997PontiacGrand AmFront Left Lower
1996BuickSkylarkFront Left Lower
1996ChevroletCorsicaFront Left Lower
1996OldsmobileAchievaFront Left Lower
1996PontiacGrand AmFront Left Lower
1995BuickSkylarkFront Left Lower
1995ChevroletCorsicaFront Left Lower
1995OldsmobileAchievaFront Left Lower
1995PontiacGrand AmFront Left Lower
1994BuickSkylarkFront Left Lower
1994ChevroletCorsicaFront Left Lower
1994OldsmobileAchievaFront Left Lower
1994PontiacGrand AmFront 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:

22611133520-131531618532-255CB90293CB90293PRCK620253RK620253

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