HomeBrake > Drums and RotorsPerfect Stop 6620323 Disc Brake Rotor - Front
Part #: 6620323

Perfect Stop 6620323 Disc Brake Rotor - Front

Gray Armor-Plate, Premium, Front
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
Gray Armor-Plate, Premium, Front
Fitment: Chevrolet and Pontiac, G6 and Malibu
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Perfect Stop Gray Armor-Plate Premium Rotor

The Perfect Stop Gray Armor-Plate, Premium disc brake rotor (part number 6620323) is engineered for reliable braking performance on Chevrolet Malibu and Pontiac G6 models. Designed with vented construction and a smooth surface, this rotor supports efficient heat dissipation and consistent stopping power.

  • Compatible with Chevrolet Malibu and Pontiac G6 vehicles
  • Vented disc brake rotor for improved cooling
  • Overall diameter of 10.866 inches (276.0 mm)
  • Nominal thickness of 1.024 inches (26.0 mm) with discard thickness at 0.906 inches (23.0 mm)
  • Five mounting bolt holes with a 4.331 inch (110.0 mm) bolt circle diameter
  • Center hole diameter of 2.591 inches (65.8 mm)
  • Surface type: smooth, designed for consistent pad contact
  • ABS tone ring not included

About the Gray Armor-Plate, Premium Product Line

The Gray Armor-Plate, Premium line from Perfect Stop focuses on delivering durable rotors with enhanced surface protection. This product line features a premium coating designed to resist corrosion and extend rotor life, making it suitable for drivers seeking dependable braking components for their Chevrolet Malibu or Pontiac G6. The vented design further aids in heat management during braking.

Detailed Product Description

This disc brake rotor, part number 6620323, is constructed with vented channels between the rotor faces to improve airflow and reduce heat buildup during braking. The smooth surface finish ensures even brake pad wear and consistent friction. With a nominal thickness of 1.024 inches (26.0 mm) and a discard thickness of 0.906 inches (23.0 mm), this rotor meets precise specifications for safe operation. The overall height measures 1.697 inches (43.1 mm), and the rotor features five mounting bolt holes arranged on a 4.331 inch (110.0 mm) bolt circle diameter, compatible with the specified vehicle models. The center hole diameter of 2.591 inches (65.8 mm) ensures proper fitment on the hub assembly.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors on Chevrolet Malibu and Pontiac G6
  • Addresses brake pulsation caused by uneven rotor surfaces
  • Improves heat dissipation to reduce brake fade during extended use
  • Restores braking performance compromised by rotor corrosion or scoring
  • Supports consistent brake pad contact for smoother stops

Installation Notes and Tips

  • Verify rotor thickness before installation to ensure it meets minimum discard thickness
  • Clean rotor mounting surface and hub to prevent runout
  • Torque mounting bolts to manufacturer specifications for secure fitment
  • Inspect brake pads and replace if worn to optimize rotor performance
  • ABS tone ring is not included; ensure compatibility with vehicle ABS system

Quality Assurance and Warranty

Perfect Stop rotors undergo quality control to meet industry standards for durability and performance. The Gray Armor-Plate, Premium rotors feature corrosion-resistant coating to extend service life. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.

BrandPerfect Stop
Part Number6620323
PositionGray Armor-Plate, Premium, Front
Discard Thickness0.906
Discard Thickness23.0
Nominal Thickness1.024
Nominal Thickness26.0
Overall Height1.697
Overall Height43.1
Outside Diameter10.866
Outside Diameter276.0
Mounting Bolt Hole Quantity5
ABS Tone Ring IncludedNo
Surface TypeSmooth
Solid Or Vented Type RotorVented
Center Hole Diameter2.591
Center Hole Diameter65.8
Mounting Bolt Hole Circle Diameter110.0
Mounting Bolt Hole Circle Diameter4.331

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2008ChevroletMalibuFrontGray Armor-Plate, Premium
2007ChevroletMalibuFrontGray Armor-Plate, Premium
2007PontiacG6FrontGray Armor-Plate, Premium
2006ChevroletMalibuFrontGray Armor-Plate, Premium
2006PontiacG6FrontGray Armor-Plate, Premium
2005ChevroletMalibuFrontGray Armor-Plate, Premium
2004ChevroletMalibuFrontGray Armor-Plate, Premium

* 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:

121.620771407-2685315856666177-100518A16872270530225797351488802445509555095G580244AR8296EVCBD126135BR55095PRT5564SB580244YH145564

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