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Shifters for C/K & Silverado 1500

This page is for "light duty" GM C/K models:

  • all 1500 series - except diesel
  • some 2500 series thru 1999 - GVWR below 8500 lb, except diesel

Standard light duty C/K manual transmission (aluminum case):

# gears Year RPO Manual Trans Receptacle height
4 speed 1988 MC0 MG290 w/o 5th gear 1 1/8" above flange
5 speed 1988-1992 MG5 MG290 / HM290 / 5LM60 7/8 - 1 1/8" above flange
1993-2007 MG5 / M50 NV3500 1/4" above flange
1999-2013 TZ0 TR-3450 non-US (Mexico only) 1" below flange

  • For diesel, 2500 series > 8500 GVWR, + all 3500 series - see the Silverado HD page
  • 1988-1991 R/V series (Crewcab, Blazer / Jimmy, Suburban) came w/ SM465 4 speed (not serviceable)
  • NOTE: HD trans (cast iron case) was optional for any 1988-1995 light duty C/K truck but very rare
    • HD trans was not offered for GVWR < 8500 lb after 1995