2021 GMC Sierra 2500 HD equipped with 6.6L V8 Gas OHV, 6.6L V8 Flex OHV, 6.6L V8 Diesel OHV Turbo
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STANDARD PUBX TYPE END GATE(QK1),POWER RELEASE MANUAL ASSIST GATE FUNCTION(QT5)
2021 GMC Sierra 2500 HD equipped with 6.6L V8 Gas OHV, 6.6L V8 Flex OHV, 6.6L V8 Diesel OHV Turbo
STANDARD PUBX TYPE END GATE(QK1),POWER RELEASE MANUAL ASSIST GATE FUNCTION(QT5)