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



Fitment Information Unavailable

SHIPS FROM MANUFACTURER
SD-FC-FUEL-U-GRN
Sinister Diesel 99-07 Ford Powerstroke 6.0L/7.3L / 12-17 GM Duramax 6.6L Diesel Fuel Cap - Green
$88.37

Dodge Sinister Diesel Engine Bay Caps

Dodge D250

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1989-1993 Dodge D250 Base
$98.66

Dodge D350

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1989-1993 Dodge D350 Base
$98.66

Dodge Ram 2500

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1994-1998 Dodge Ram 2500 Base
$98.66
Sinister Diesel Engine Bay Caps SD-FC-OIL
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
2007-2010 Dodge Ram 2500 ST
2007-2010 Dodge Ram 2500 SLT
2007-2010 Dodge Ram 2500 Laramie
2008-2010 Dodge Ram 2500 SXT
2010-2010 Dodge Ram 2500 TRX
$115.49

Dodge Ram 3500

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1994-1998 Dodge Ram 3500 Base
$98.66
Sinister Diesel Engine Bay Caps SD-FC-OIL
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
2007-2010 Dodge Ram 3500 ST
2007-2007 Dodge Ram 3500 Sport
2007-2010 Dodge Ram 3500 SLT
2007-2010 Dodge Ram 3500 Laramie
2008-2009 Dodge Ram 3500 SXT
$115.49

Dodge W250

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1989-1993 Dodge W250 Base
$98.66

Dodge W350

Sinister Diesel Engine Bay Caps SD-FC-12V
SHIPS FROM MANUFACTURER
SD-FC-12V
Sinister Diesel 89-98 Cummins 5.9L 12V Oil Fill Cap
1989-1993 Dodge W350 Base
$98.66

Ford Sinister Diesel Engine Bay Caps

Ford E-350 Club Wagon

Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2004-2005 Ford E-350 Club Wagon XL
2004-2005 Ford E-350 Club Wagon XLT
2004-2005 Ford E-350 Club Wagon Chateau
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2004-2005 Ford E-350 Club Wagon XL
2004-2005 Ford E-350 Club Wagon XLT
2004-2005 Ford E-350 Club Wagon Chateau
$128.58

Ford E-350 Super Duty

Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2004-2007 Ford E-350 Super Duty Base
2006-2007 Ford E-350 Super Duty XLT
2006-2007 Ford E-350 Super Duty XL
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2004-2007 Ford E-350 Super Duty Base
2006-2007 Ford E-350 Super Duty XLT
2006-2007 Ford E-350 Super Duty XL
$128.58

Ford E-450 Super Duty

Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2004-2007 Ford E-450 Super Duty Base
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2004-2007 Ford E-450 Super Duty Base
$128.58

Ford Excursion

Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2004-2005 Ford Excursion XLT
2004-2005 Ford Excursion XLS
2004-2005 Ford Excursion Limited
2004-2005 Ford Excursion Eddie Bauer
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2004-2005 Ford Excursion XLT
2004-2005 Ford Excursion XLS
2004-2005 Ford Excursion Limited
2004-2005 Ford Excursion Eddie Bauer
$128.58

Ford F-250

Sinister Diesel Engine Bay Caps SD-DC-FORD-94
SHIPS FROM MANUFACTURER
SD-DC-FORD-94
Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue
1994-1996 Ford F-250 XLT
1994-1996 Ford F-250 XL
1995-1996 Ford F-250 Special
1995-1996 Ford F-250 Eddie Bauer
$93.98

Ford F-250 Super Duty

Sinister Diesel Engine Bay Caps SD-DC-FORD-94
SHIPS FROM MANUFACTURER
SD-DC-FORD-94
Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue
1999-2016 Ford F-250 Super Duty XL
1999-2016 Ford F-250 Super Duty XLT
1999-2016 Ford F-250 Super Duty Lariat
2004-2016 Ford F-250 Super Duty King Ranch
2004-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
2013-2016 Ford F-250 Super Duty Platinum
$93.98
Sinister Diesel Engine Bay Caps SD-OFC-FORD-03
SHIPS FROM MANUFACTURER
SD-OFC-FORD-03
Sinister Diesel 03-10 Ford Powerstroke 6.0L/6.4L Oil Filter Cap
2003-2010 Ford F-250 Super Duty Lariat
2003-2010 Ford F-250 Super Duty XL
2003-2010 Ford F-250 Super Duty XLT
2004-2010 Ford F-250 Super Duty King Ranch
2004-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
$135.23
Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2003-2007 Ford F-250 Super Duty XL
2003-2007 Ford F-250 Super Duty XLT
2003-2007 Ford F-250 Super Duty Lariat
2004-2007 Ford F-250 Super Duty King Ranch
2004-2007 Ford F-250 Super Duty Harley-Davidson Edition
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2003-2007 Ford F-250 Super Duty XL
2003-2007 Ford F-250 Super Duty XLT
2003-2007 Ford F-250 Super Duty Lariat
2004-2007 Ford F-250 Super Duty King Ranch
2004-2007 Ford F-250 Super Duty Harley-Davidson Edition
$128.58
Sinister Diesel Engine Bay Caps SD-BCK-6.4
SHIPS FROM MANUFACTURER
SD-BCK-6.4
Sinister Diesel 08-10 Ford 6.4L Billet Blue Cap Kit
2008-2010 Ford F-250 Super Duty XLT
2008-2010 Ford F-250 Super Duty XL
2008-2010 Ford F-250 Super Duty Lariat
2008-2010 Ford F-250 Super Duty King Ranch
2008-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.4
SHIPS FROM MANUFACTURER
SD-FFC-6.4
Sinister Diesel 08-10 Ford 6.4L Fuel Filter Cap
2008-2010 Ford F-250 Super Duty XLT
2008-2010 Ford F-250 Super Duty XL
2008-2010 Ford F-250 Super Duty Lariat
2008-2010 Ford F-250 Super Duty King Ranch
2008-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
$138.04
Sinister Diesel Engine Bay Caps SD-FFC08-01-20-GRN
SHIPS FROM MANUFACTURER
SD-FFC08-01-20-GRN
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap- Green
2008-2009 Ford F-250 Super Duty FX4
2008-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2020 Ford F-250 Super Duty King Ranch
2008-2020 Ford F-250 Super Duty Lariat
2008-2020 Ford F-250 Super Duty XL
2008-2020 Ford F-250 Super Duty XLT
2013-2020 Ford F-250 Super Duty Platinum
2018-2020 Ford F-250 Super Duty Limited
$92.11
Sinister Diesel Engine Bay Caps SD-DC-6.7P-17
IN STOCK - LOW
SD-DC-6.7P-17
Sinister Diesel 17-19 Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue
2017-2019 Ford F-250 Super Duty XLT
2017-2019 Ford F-250 Super Duty XL
2017-2019 Ford F-250 Super Duty Platinum
2017-2019 Ford F-250 Super Duty Lariat
2017-2019 Ford F-250 Super Duty King Ranch
2018-2019 Ford F-250 Super Duty Limited
$93.98
Sinister Diesel Engine Bay Caps SD-FFC08-01-20
IN STOCK - LOW
SD-FFC08-01-20
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap
2008-2020 Ford F-250 Super Duty XL
2008-2020 Ford F-250 Super Duty XLT
2008-2020 Ford F-250 Super Duty Lariat
2008-2020 Ford F-250 Super Duty King Ranch
2008-2010 Ford F-250 Super Duty Harley-Davidson Edition
2008-2009 Ford F-250 Super Duty FX4
2013-2020 Ford F-250 Super Duty Platinum
2018-2020 Ford F-250 Super Duty Limited
$92.11

Ford F-350

Sinister Diesel Engine Bay Caps SD-DC-FORD-94
SHIPS FROM MANUFACTURER
SD-DC-FORD-94
Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue
1994-1997 Ford F-350 XLT
1994-1997 Ford F-350 XL
1995-1996 Ford F-350 Special
1995-1995 Ford F-350 Eddie Bauer
1997-1997 Ford F-350 Base
$93.98

Ford F-350 Super Duty

Sinister Diesel Engine Bay Caps SD-DC-FORD-94
SHIPS FROM MANUFACTURER
SD-DC-FORD-94
Sinister Diesel 1994+ Ford Powerstroke Coolant Reservoir Degas Bottle Cap - Blue
1999-2016 Ford F-350 Super Duty Lariat
1999-2016 Ford F-350 Super Duty XL
1999-2016 Ford F-350 Super Duty XLT
2003-2016 Ford F-350 Super Duty King Ranch
2004-2010 Ford F-350 Super Duty Harley-Davidson Edition
2008-2009 Ford F-350 Super Duty FX4
2013-2016 Ford F-350 Super Duty Platinum
$93.98
Sinister Diesel Engine Bay Caps SD-BCK-6.0
SHIPS FROM MANUFACTURER
SD-BCK-6.0
Sinister Diesel 03-07 Ford 6.0L Billet Blue Cap Kit
2003-2007 Ford F-350 Super Duty XLT
2003-2007 Ford F-350 Super Duty XL
2003-2007 Ford F-350 Super Duty Lariat
2003-2007 Ford F-350 Super Duty King Ranch
2004-2007 Ford F-350 Super Duty Harley-Davidson Edition
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.0
IN STOCK
SD-FFC-6.0
Sinister Diesel 03-07 Ford 6.0L Fuel Filter Cap
2003-2007 Ford F-350 Super Duty XLT
2003-2007 Ford F-350 Super Duty XL
2003-2007 Ford F-350 Super Duty Lariat
2003-2007 Ford F-350 Super Duty King Ranch
2004-2007 Ford F-350 Super Duty Harley-Davidson Edition
$128.58
Sinister Diesel Engine Bay Caps SD-OFC-FORD-03
SHIPS FROM MANUFACTURER
SD-OFC-FORD-03
Sinister Diesel 03-10 Ford Powerstroke 6.0L/6.4L Oil Filter Cap
2003-2010 Ford F-350 Super Duty King Ranch
2003-2010 Ford F-350 Super Duty Lariat
2003-2010 Ford F-350 Super Duty XL
2003-2010 Ford F-350 Super Duty XLT
2004-2010 Ford F-350 Super Duty Harley-Davidson Edition
2008-2009 Ford F-350 Super Duty FX4
$135.23
Sinister Diesel Engine Bay Caps SD-FFC08-01-20
IN STOCK - LOW
SD-FFC08-01-20
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap
2008-2009 Ford F-350 Super Duty FX4
2008-2010 Ford F-350 Super Duty Harley-Davidson Edition
2008-2020 Ford F-350 Super Duty King Ranch
2008-2020 Ford F-350 Super Duty Lariat
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
Sinister Diesel Engine Bay Caps SD-BCK-6.4
SHIPS FROM MANUFACTURER
SD-BCK-6.4
Sinister Diesel 08-10 Ford 6.4L Billet Blue Cap Kit
2008-2010 Ford F-350 Super Duty Lariat
2008-2010 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
2008-2010 Ford F-350 Super Duty XL
2008-2010 Ford F-350 Super Duty XLT
$274.99
Sinister Diesel Engine Bay Caps SD-FFC-6.4
SHIPS FROM MANUFACTURER
SD-FFC-6.4
Sinister Diesel 08-10 Ford 6.4L Fuel Filter Cap
2008-2010 Ford F-350 Super Duty Lariat
2008-2010 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
2008-2010 Ford F-350 Super Duty XL
2008-2010 Ford F-350 Super Duty XLT
$138.04
Sinister Diesel Engine Bay Caps SD-FFC08-01-20-GRN
SHIPS FROM MANUFACTURER
SD-FFC08-01-20-GRN
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap- Green
2008-2009 Ford F-350 Super Duty FX4
2008-2010 Ford F-350 Super Duty Harley-Davidson Edition
2008-2020 Ford F-350 Super Duty King Ranch
2008-2020 Ford F-350 Super Duty Lariat
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
Sinister Diesel Engine Bay Caps SD-DC-6.7P-17
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

Ford F-450 Super Duty

Sinister Diesel Engine Bay Caps SD-BCK-6.0
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
Sinister Diesel Engine Bay Caps SD-FFC-6.0
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

Ford F-550 Super Duty

Sinister Diesel Engine Bay Caps SD-BCK-6.0
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
Sinister Diesel Engine Bay Caps SD-FFC-6.0
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

Ram Sinister Diesel Engine Bay Caps

Ram 2500

Sinister Diesel Engine Bay Caps SD-FC-OIL
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

Ram 3500

Sinister Diesel Engine Bay Caps SD-FC-OIL
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