2003 Chevrolet Silverado 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
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ELECTRIC SHIFT 2 SPEED TRANSFER CASE(NP1), 2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD
2003 Chevrolet Silverado 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), 2-SPEED, PUSH BUTTON CONTROL, ACTIVE TRANSFER CASE(NP8) 4WD