2003 Chevrolet Express 2500 equipped with 6.0L V8 Gas OHV, 6.0L V8 CNG OHV, 5.3L V8 Gas OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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8.5 In., 8.625 In., 8.75 In., or 8.875 In. Ring Gear
2003 Chevrolet Express 2500 equipped with 6.0L V8 Gas OHV, 6.0L V8 CNG OHV, 5.3L V8 Gas OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
8.5 In., 8.625 In., 8.75 In., or 8.875 In. Ring Gear