Fuel Control Actuator FCA Part Number for General Motors 12641035, Bosch 0928400757. Other Part No. 904-577 24252 40905771 800-656 PRDL656 DPR105 Compatible with Chevy GMC 6.6L Duramax V8 Engine, Express/Savana 2500 3500 4500 Silverado/Sierra 2500 HD 3500 HD Compatible with Ford 6.7L Diesel T/C Powerstroke, 2011-2019 Ford F-250 F-350 F-450 F-550 Super Duty Function: Maintain steady fuel supply despite fluctuating fuel demand. Regulate fuel pressure relative to air pressure/boost. Maintain optimal fuel-to-boost ratio for efficient combustion and performance. Quality: Meet OE standard, Easy installation, Stable performance, high reliability Part Number: Replaces General Motors: 12641035 Replaces Dorman: 904-577 Replaces BWD: 24252 Replaces NAPA Solutions: 40905771 Replaces Sorensen: 800-656 Replaces Duralast: PRDL656 Replaces Echlin: DPR105 Replaces Bosch: 0928400757 Application: Compatible with Chevy GMC 6.6L Duramax V8 Engine For 2010-2016 Chevrolet Express 2500, 3500, 4500 For 2011-2016 Chevrolet Silverado 2500 HD, 3500 HD For 2010-2016 GMC Savana 2500, 3500, 4500 For 2011-2016 GMC Sierra 2500 HD, 3500 HD Compatible with Ford 6.7L Diesel T/C Powerstroke For 2011-2019 Ford F-250 F-350 F-450 F-550 Super Duty Potential Related Diagnostic Trouble Codes (DTC's): DTC P0087 Fuel Rail Pressure (FRP) Too Low DTC P0088 Fuel Rail Pressure (FRP) Too High DTC P0089 Fuel Pressure Regulator Performance DTC P0090 Fuel Pressure Regulator Control Circuit