2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
2
High/Low
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) CENTER Mfr Code: 1000/M74 4WD
2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
High/Low
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) CENTER Mfr Code: 1000/M74 4WD
2 Per Vehicle
2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
1
High/Low
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) CENTER Mfr Code: 4L80-E 4WD
2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
High/Low
ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1) CENTER Mfr Code: 4L80-E 4WD
2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
2
High/Low
2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD
2001 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
High/Low
2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD