1999 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 6.5L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV
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Front
CVR TO CASE Mfr Code: 4L80-E
1999 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 6.5L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV
Front
CVR TO CASE Mfr Code: 4L80-E