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RPO Code Identification

Some specifications vary, depending on Gross Vehicle Weight Rating (GVWR) and options. For GVWR identification, check driver door jamb sticker. For Regular Production Option (RPO) Code identification, see RPO CODE IDENTIFICATION  table. The RPO codes are on a label, normally located in glove box.

RPO CODE IDENTIFICATION

RPO Code Option
JC3 Vacuum Boost 6400 GVWR
JC4 Vacuum Boost 7200 GVWR
JH1 Hydraulic Boost 6400 GVWR
JH2 Hydraulic Boost 7200 GVWR
JH6 Hydraulic Boost 9900 GVWR
JH7 Hydraulic Boost 12,300 GVWR
JL4 Active Brakes
NYS Rear Steering