This Sinister Diesel green fuel cap is specified for diesel fuel applications including 1999–2007 Ford Powerstroke 6.0L and 7.3L engines and 2012–2017 GM Duramax 6.6L engines. The cap replaces the factory fuel cap on the listed diesel applications, providing a colored OEM-replacement-style cap matched to those model-year and engine combinations.
Sinister Diesel 99-07 Ford Powerstroke 6.0L/7.3L / 12-17 GM Duramax 6.6L Diesel Fuel Cap - Green