Suggested Retail: $49.73. ACDelco Silver Rear Disc Brake Rotor - ACDelco Silver Disc Brake Rotors are a high-value alternative suitable for General Motors vehicles and most other models. They offer reliable braking power, enhanced safety, and performance. They are designed to dampen noise and vibration while maximizing airflow to keep the rotor cool. The rotors also feature a non-directional ground finish to minimize thickness variation and extend brake pad life. They are made with multiple alloys for improved heat dissipation and performance. Brand: ACDelco Model: ‎18A2821A -- LOT STICKER: BB-BOX-PALLETBB505-ITEM-9707c326___LPNPMCK7446633 ACDelco Silver 18A2821A Rear Disc Brake Rotor -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.