2007 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
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GM Original Equipment HEAVY DUTY HEATER(C42)
2007 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV, 6.0L V8 Gas OHV, 5.3L V8 Gas OHV, 5.3L V8 Flex OHV, 4.8L V8 Gas OHV, 4.3L V6 Gas OHV
GM Original Equipment HEAVY DUTY HEATER(C42)