2001 Chevrolet Express 3500 equipped with 8.1L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV, 5.7L V8 CNG OHV
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High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL
2001 Chevrolet Express 3500 equipped with 8.1L V8 Gas OHV, 6.5L V8 Diesel OHV Turbo, 5.7L V8 Gas OHV, 5.7L V8 CNG OHV
High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL