904-575 Fuel Injection Pressure Regulator
Compatible with Chevy

Express 2500 Base 6.6 2006-2010
Express 2500 LS 6.6 2006
Express 2500 LT 6.6 2006

Express 3500 Base 6.6 2006-2010

Silverado 2500 HD LS 6.6 2006
Silverado 2500 HD LT 6.6 2006-2010
Silverado 2500 HD LTZ 6.6 2007-2010
Silverado 2500 HD WT 6.6 2006-2010

Silverado 2500 HD Classic LS 6.6 2007
Silverado 2500 HD Classic LT 6.6 2007
Silverado 2500 HD Classic WT 6.6 2007

Silverado 3500 LS 6.6 2006
Silverado 3500 LT 6.6 2006
Silverado 3500 WT 6.6 2006

Silverado 3500 Classic LS 6.6 2007
Silverado 3500 Classic LT 6.6 2007
Silverado 3500 Classic WT 6.6 2007

Silverado 3500 HD LT 6.6 2007-2010
Silverado 3500 HD LTZ 6.6 2007-2010
Silverado 3500 HD WT 6.6 2007-2010

Compatible with GMC
Savana 2500 Base 6.6 2006-2010
Savana 3500 Base 6.6 2006-2010
Sierra 2500 HD SL 6.6 2006
Sierra 2500 HD SLE 6.6 2006-2010
Sierra 2500 HD SLT 6.6 2006-2010
Sierra 2500 HD WT 6.6 2006-2010

Sierra 2500 HD Classic SL 6.6 2007
Sierra 2500 HD Classic SLE 6.6 2007
Sierra 2500 HD Classic SLT 6.6 2007
Sierra 2500 HD Classic WT 6.6 2007

Sierra 3500 SL 6.6 2006
Sierra 3500 SLE 6.6 2006
Sierra 3500 SLT 6.6 2006
Sierra 3500 WT 6.6 2006

Sierra 3500 Classic SL 6.6 2007
Sierra 3500 Classic SLE 6.6 2007
Sierra 3500 Classic SLT 6.6 2007
Sierra 3500 Classic WT 6.6 2007

Sierra 3500 HD SLE 6.6 2007-2010
Sierra 3500 HD SLT 6.6 2007-2010
Sierra 3500 HD WT 6.6 2007-2010