SIERRA 2500 PICKUP 99 Throttle Valve Assembly; 6.0L. SILVERADO 2500 PICKUP 99 Throttle Valve Assembly; 6.0L. This system was designed as a benchmark with certain understandings. The item is used, and most likely will NOT be perfect even if listed in grade A. For example, a part can still be grade A with normal blemishes such as surface rust, scratches, etc.
