2005 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
1
2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD
2005 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD
1 Per Vehicle
2005 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
1
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) 4WD
2005 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV, 6.0L V8 CNG OHV
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) 4WD