1961 GMC 1000 Series equipped with 5.0L V6 Gas OHV, 4.6L V8 Gas OHV, 4.4L L6 Gas OHV, 4.3L L6 Gas OHV
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Heater Core w/ Standard Heater 7-1/8 x 6-3/8 w/o AC
1961 GMC 1000 Series equipped with 5.0L V6 Gas OHV, 4.6L V8 Gas OHV, 4.4L L6 Gas OHV, 4.3L L6 Gas OHV
Heater Core w/ Standard Heater 7-1/8 x 6-3/8 w/o AC