2018 Chevrolet Express 3500 equipped with 6.0L V8 Flex OHV, 6.0L V8 CNG OHV, 4.3L V6 Gas OHV, 4.3L V6 Flex OHV, 2.8L L4 Diesel DOHC Turbo
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High Side
A/C Service Valve Cap GM Original Equipment M8 THREAD
2018 Chevrolet Express 3500 equipped with 6.0L V8 Flex OHV, 6.0L V8 CNG OHV, 4.3L V6 Gas OHV, 4.3L V6 Flex OHV, 2.8L L4 Diesel DOHC Turbo
High Side
A/C Service Valve Cap GM Original Equipment M8 THREAD
