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2014 GMC Sierra 2500 HD 4WD
-- 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.
  • 8 Cyl 5.3L Flexible Fuel, SFI, ALUM Cylinder Deactivation LC9
  • 8 Cyl 5.3L Flexible Fuel, SFI, OHV, Cylinder Deactivation, Iron LMG
  • 8 Cyl 5.3L LPG/CNG, SFI, GEN 1 LFT
  • 8 Cyl 6.0L Flexible Fuel, SFI Iron L96
  • 8 Cyl 6.0L LPG/CNG, SFI, GEN 1 LC8
  • 8 Cyl 6.2L Flexible Fuel SFI, ALUM Cylinder Deactivation L94
  • 8 Cyl 6.6L Diesel Dual Turbo, DI, DURAMAX LML
-- Select Transmission --
Transmission Description RPO Code
  • 6-Speed Automatic Transmission, ALLISON, LCT 1000, Overdrive MW7
  • 6-Speed Automatic Transmission, HMD, 6L-80 MYC
  • 6-Speed Automatic Transmission, HMD, 6L-90 MYD
-- 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.
  • 1 Ton Crew Cab TK30743
  • Crew Cab 1 Ton TK30943
  • Crew Cab 1 Ton 137.0 TK31043
  • Crew Cab 6'6" Box 3/4 Ton TK20743
  • Crew Cab 8' Box 3/4 Ton TK20943
  • Regular Cab 1 Ton TK30903
  • Regular Cab 3/4 Ton TK20903
  • Regular Cab Chassis 1 Ton 137.0 TK31003
  • Regular Cab Chassis 1 Ton 161.5 TK31403
  • Yukon XL 3/4 Ton TK20906
  • Yukon XL/Denali XL/Escalade ESV TK10906
  • Yukon/Denali/Escalade TK10706
Parts Question Guide

2014 GMC Sierra 2500 HD 4WD Parts

Parts and Categories

[-] [+]Cab And Body Parts, Wipers, Mirrors, Doors, Trim, Seat Belts

[-] [+]Fuel System, Exhaust, Emission System

[-] [+]Transmission - Manual

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