ACDelco Silver 18A938A Rear Disc Brake Rotor

  • Manufactured with multiple alloys for improved heat dissipation and performance
  • Mill-balanced for proper rotor function; no extra weights are needed
  • Quality validated for proper metallurgy and correct brake plate thickness
  • Rounded radius for added strength
  • Some ACDelco Silver parts may have formerly appeared as ACDelco Advantage
  • Economical value with dependable quality
  • For General Motors vehicles as well as most makes and models