1979 GMC C1500 Suburban equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV, 5.7L V8 Diesel OHV, 5.0L V8 Gas OHV, 4.1L L6 Gas OHV
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Professional Pressure Switch R12
1979 GMC C1500 Suburban equipped with 7.4L V8 Gas OHV, 5.7L V8 Gas OHV, 5.7L V8 Diesel OHV, 5.0L V8 Gas OHV, 4.1L L6 Gas OHV
Professional Pressure Switch R12