Sinister Diesel Engine Bay Caps

Looking to upgrade your vehicle with a oil cap from Sinister Diesel? We carry a great variety of Sinister Diesel Engine Bay Caps and other engine component performance parts for your vehicle.

We have 28 Sinister Diesel Engine Bay Caps available with free shipping to the Continental US 48 States.

Ford Sinister Diesel Engine Bay Caps

Ford F-350 Super Duty View all Ford F-350 Super Duty Oil Caps

SHIPS FROM MANUFACTURER SD-FFC08-01-20-GRN Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap- Green 2008-2020 Ford F-350 Super Duty Lariat 2008-2020 Ford F-350 Super Duty King Ranch 2008-2010 Ford F-350 Super Duty Harley-Davidson Edition 2008-2009 Ford F-350 Super Duty FX4 2008-2020 Ford F-350 Super Duty XL 2008-2020 Ford F-350 Super Duty XLT 2013-2020 Ford F-350 Super Duty Platinum 2018-2020 Ford F-350 Super Duty Limited $92.11 Details

IN STOCK - LOW SD-DC-6.7P-17 Sinister Diesel 17-19 Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue 2017-2019 Ford F-350 Super Duty XLT 2017-2019 Ford F-350 Super Duty XL 2017-2019 Ford F-350 Super Duty Platinum 2017-2019 Ford F-350 Super Duty Lariat 2017-2019 Ford F-350 Super Duty King Ranch 2018-2019 Ford F-350 Super Duty Limited $93.98 Details

IN STOCK - LOW SD-FFC08-01-20 Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap 2008-2020 Ford F-350 Super Duty Lariat 2008-2020 Ford F-350 Super Duty King Ranch 2008-2010 Ford F-350 Super Duty Harley-Davidson Edition 2008-2009 Ford F-350 Super Duty FX4 2008-2020 Ford F-350 Super Duty XL 2008-2020 Ford F-350 Super Duty XLT 2013-2020 Ford F-350 Super Duty Platinum 2018-2020 Ford F-350 Super Duty Limited $92.11 Details

Ford F-450 Super Duty View all Ford F-450 Super Duty Oil Caps

SHIPS FROM MANUFACTURER SD-BCK-6.0 Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit 2004-2007 Ford F-450 Super Duty XLT 2004-2007 Ford F-450 Super Duty XL 2004-2007 Ford F-450 Super Duty Lariat $274.99 Details

IN STOCK SD-FFC-6.0 Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap 2004-2007 Ford F-450 Super Duty XLT 2004-2007 Ford F-450 Super Duty XL 2004-2007 Ford F-450 Super Duty Lariat $128.58 Details

Ford F-550 Super Duty View all Ford F-550 Super Duty Oil Caps

SHIPS FROM MANUFACTURER SD-BCK-6.0 Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit 2004-2007 Ford F-550 Super Duty Lariat 2004-2007 Ford F-550 Super Duty XL 2004-2007 Ford F-550 Super Duty XLT $274.99 Details

IN STOCK SD-FFC-6.0 Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap 2004-2007 Ford F-550 Super Duty Lariat 2004-2007 Ford F-550 Super Duty XL 2004-2007 Ford F-550 Super Duty XLT $128.58 Details

Ram Sinister Diesel Engine Bay Caps

Ram 2500 View all Ram 2500 Oil Caps

SHIPS FROM MANUFACTURER SD-FC-OIL Sinister Diesel 99-10 Ford Powerstroke 7.3L/6.0L/6.4L & 2007.5-19 Dodge Cummins 6.7L Oil Fill Ca 2011-2019 Ram 2500 Laramie 2011-2019 Ram 2500 Laramie Longhorn 2011-2018 Ram 2500 SLT 2011-2013 Ram 2500 ST 2012-2016 Ram 2500 Outdoorsman 2013-2019 Ram 2500 Big Horn 2013-2015 Ram 2500 Lone Star 2013-2019 Ram 2500 Tradesman 2014-2015 Ram 2500 Laramie Limited 2016-2019 Ram 2500 Limited 2019-2019 Ram 2500 Lone Star $115.49 Details

Ram 3500 View all Ram 3500 Oil Caps

SHIPS FROM MANUFACTURER SD-FC-OIL Sinister Diesel 99-10 Ford Powerstroke 7.3L/6.0L/6.4L & 2007.5-19 Dodge Cummins 6.7L Oil Fill Ca 2011-2019 Ram 3500 Laramie 2011-2019 Ram 3500 Laramie Longhorn 2011-2019 Ram 3500 SLT 2011-2013 Ram 3500 ST 2013-2019 Ram 3500 Big Horn 2013-2015 Ram 3500 Lone Star 2013-2019 Ram 3500 Tradesman 2014-2015 Ram 3500 Laramie Limited 2016-2019 Ram 3500 Limited 2017-2017 Ram 3500 Lone Star 2019-2019 Ram 3500 Lone Star $115.49 Details