A turbo actuator, or wastegate, uses a pressure actuator, which is controlled by boost pressure as to whether it's open or closed, to control boost pressure and power output.
Reliability requirements under the most competitive racing conditions.
Description
Turbo Wastegate Actuator For chevrolet Chevy For GMC 6.5L Diesel 2500 3500 1993–1996 OEM # 12456422 GM4
GM4 ,GM-4,
12552738 ,12512988 , 12530336 , 171077
10154652 , 12556124 , 12456422