For 1967-1974 GMC P25/P2500 Van Thermostat 21239MY 1968 1969 1970 1971 1972 1973
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1967, 1970, 1972-1974 GMC P25/P2500 Van 4.1L 6 Cyl. 1967 GMC P25/P2500 Van 4.6L V8. 1972 GMC P25/P2500 Van 6.6L V8. 1970-1974 GMC P25/P2500 Van 5.7L V8. 1970-1971 GMC P25/P2500 Van 7.4L V8. 1968-1970 GMC P25/P2500 Van 5.0L V8.
