1997 GMC K1500 equipped with 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
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Transfer Case Motor Option Codes are on the Service Parts Identification Sticker with 2 Speed Electronic Shift Transfer Case (NP1)
1997 GMC K1500 equipped with 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV, 5.0L V8 Gas OHV, 4.3L V6 Gas OHV
Transfer Case Motor Option Codes are on the Service Parts Identification Sticker with 2 Speed Electronic Shift Transfer Case (NP1)