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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High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL
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
High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL