2006 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
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High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL
2006 GMC Sierra 2500 HD equipped with 8.1L V8 Gas OHV, 6.6L V8 Diesel OHV Turbo, 6.0L V8 Gas OHV
High Side
M12X1.5 THD INCLS O-RINGS, CORE, FEMALE FITTING AND SEAL INCLS FITTING AND SEAL