- Product description In comparison to the turbine wheel and compressor wheel, some important compositions of the turbocharger, the back plate seems not important. In reality, the back plate has to be reliable to prevent cracking in service, because of the harsh environment in the engine bay such as high temperature, which could lead to cracks or failure. Don samar da mafi kyawun samfuran ga abokan cinikinmu, muna biyan musamman ga kowane ɓangaren samfurin. Don ƙarfafa ingancin PR ...