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1986 GMC Suburban K2500
Suburban 3/4 Ton
-- Select Engine --
Engine Description RPO Code
The drop down menu includes engine codes with descriptions and engine sizes. Please use the following tutorial to locate the actual engine size of your vehicle; it could help you make the correct selection.
  • 6 Cyl 4.3L LB1
  • 6 Cyl 4.8L L25
  • 8 Cyl 5.0L LE9
  • 8 Cyl 5.0L 4BBL LF3
  • 8 Cyl 5.7L LS9
  • 8 Cyl 5.7L LT9
  • 8 Cyl 6.2L Diesel LH6
  • 8 Cyl 6.2L Diesel LL4
  • 8 Cyl 7.4L 4BBL LE8
  • 8 Cyl 7.4L EFI L19
-- Select Transmission --
Transmission Description RPO Code
  • 3-Speed Automatic Transmission, THM350C MV4
  • 3-Speed Automatic Transmission, THM400-475/3L80 M40
  • 4-Speed Automatic Transmission, THM700R4/4L60 MD8
  • 4-Speed Manual Transmission (Muncie) M20
-- Select Model Code --
Model Code Description RPO Code
A GM Model Code can be found on both the Service Tag and Service Parts Identification Tag.
  • Suburban 3/4 Ton TK20906
Parts Question Guide

1986 GMC Suburban K2500 Parts

Parts and Categories

[-] [+]Normal Maintenance Parts, Fluids, Capacities, Electrical Connectors

[-] [+]Rear Body Structure, Moldings & Trim, Cargo Stowage

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