2004 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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NATURAL GAS(KL6), COMPRESSED NATURAL GAS CONVERSION(KL8) RWD
2004 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
NATURAL GAS(KL6), COMPRESSED NATURAL GAS CONVERSION(KL8) RWD