Detroit Diesel 60 Series 12.7L EGR Piston Ring Compressor Installer Tool J-46927. Part Type:Installer Tool. Direct replacement to OEM part number J-46927 or J46927. The Detroit Diesel 60 Series 12.7L EGR J-46927 Piston Ring Compressor Remover and Installer Tool Alternative. This Tool is Used to Assist During Piston Installation On 60 Series 12.7L Forged Steel […]