How long is shipping for Royal Purple?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for Royal Purple?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for Royal Purple?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for Royal Purple?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

How long is shipping for Royal Purple?

Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.

Royal Purple

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 1 Gallon — Fits 2003-2010 Dodge Ram, Ford Super Duty, Hummer H1

Name: Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 1 Gallon — Fits 2003-2010 Dodge Ram, Ford Super Duty, Hummer H1
Brand: Royal Purple
SKU: RLP80540
Price: 108.45 USD
Availability: OutOfStock

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Royal Purple

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 1 Gallon — Fits 2003-2010 Dodge Ram, Ford Super Duty, Hummer H1

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SKU: RLP80540

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About Royal Purple Royal Purple engineers high-quality automotive parts and ...Read More

Price:

$108.45 $116.97

Quantity:

Sold Out

Car Wheel Size Chart

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

225 = Tire width in mm
45 = Aspect ratio (height as % of width)
R17 = Rim diameter in inches

Ships FAST in USA

Guaranteed Low Price

GGCRACING Discount

Product Details

Product Description

Part Numbers

Sizing & Fit

About Royal Purple

Royal Purple engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Royal Purple lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil

Unleash the full potential of your diesel engine with Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil. This high-performance synthetic oil is specifically formulated to deliver exceptional protection and extended drain intervals for modern diesel engines. Its advanced additive package reduces wear, controls soot, and provides superior thermal stability, even under the most demanding operating conditions. Ensure your heavy-duty truck or fleet vehicle runs smoothly and efficiently.

Advanced Performance Features:

Maximum Engine Protection: Guards against wear and corrosion in severe service conditions.
Optimized Soot Handling: Prevents filter plugging and maintains engine cleanliness.
Excellent Cold Flow Properties: Ensures quick starts and reduced wear in cold weather.
Extended Drain Capability: Designed for longer service intervals, reducing maintenance costs.

This 1-gallon container of Royal Purple Duralec Super 5W-40 CK-4 is ideal for various diesel vehicles from 2003-2010, including popular models like the Dodge Ram 2500/3500, Ford F-250/F-350 Super Duty, and Hummer H1. Trust GGCRACING for premium diesel engine lubricants.

Vehicle Fitment

Years	Make	Model	Trim
2014-2026	Chevrolet	Silverado 2500 HD	LT
2014-2026	Chevrolet	Silverado 2500 HD	LTZ
2014-2026	Chevrolet	Silverado 2500 HD	WT
2015-2026	Chevrolet	Silverado 2500 HD	High Country
2021-2026	Chevrolet	Silverado 2500 HD	Custom
2024-2026	Chevrolet	Silverado 2500 HD	ZR2
2014-2026	Chevrolet	Silverado 3500 HD	LT
2014-2026	Chevrolet	Silverado 3500 HD	LTZ
2014-2026	Chevrolet	Silverado 3500 HD	WT
2015-2026	Chevrolet	Silverado 3500 HD	High Country
2003	Dodge	Ram 2500	Laramie
2003-2010	Dodge	Ram 2500	SLT
2003-2010	Dodge	Ram 2500	ST
2005-2010	Dodge	Ram 2500	Laramie
2006-2007	Dodge	Ram 2500	Sport
2006-2007	Dodge	Ram 2500	TRX4
2008-2010	Dodge	Ram 2500	SXT
2010	Dodge	Ram 2500	TRX
2003-2010	Dodge	Ram 3500	SLT
2003-2010	Dodge	Ram 3500	ST
2003-2010	Dodge	Ram 3500	Laramie
2006-2007	Dodge	Ram 3500	Sport
2007	Dodge	Ram 3500	TRX4
2008-2009	Dodge	Ram 3500	SXT
2004-2005	Ford	E-350 Club Wagon	Chateau
2004-2005	Ford	E-350 Club Wagon	XL
2004-2005	Ford	E-350 Club Wagon	XLT
2004-2010	Ford	E-350 Super Duty	Base
2006	Ford	E-350 Super Duty	Chateau
2006-2008	Ford	E-350 Super Duty	XL
2006-2010	Ford	E-350 Super Duty	XLT
2010	Ford	E-350 Super Duty	XL
2018-2021	Ford	F-150	King Ranch
2018-2021	Ford	F-150	Lariat
2018-2021	Ford	F-150	Platinum
2018-2021	Ford	F-150	XL
2018-2021	Ford	F-150	XLT
2008-2009	Ford	F-250 Super Duty	FX4
2008-2010	Ford	F-250 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-250 Super Duty	King Ranch
2008-2026	Ford	F-250 Super Duty	Lariat
2008-2026	Ford	F-250 Super Duty	XL
2008-2026	Ford	F-250 Super Duty	XLT
2009-2010	Ford	F-250 Super Duty	Cabela's
2013-2026	Ford	F-250 Super Duty	Platinum
2018-2024	Ford	F-250 Super Duty	Limited
2008-2009	Ford	F-350 Super Duty	FX4
2008-2010	Ford	F-350 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-350 Super Duty	King Ranch
2008-2026	Ford	F-350 Super Duty	Lariat
2008-2026	Ford	F-350 Super Duty	XL
2008-2026	Ford	F-350 Super Duty	XLT
2009-2010	Ford	F-350 Super Duty	Cabela's
2013-2026	Ford	F-350 Super Duty	Platinum
2018-2024	Ford	F-350 Super Duty	Limited
2015-2019	Ford	Transit-150	Base
2015-2019	Ford	Transit-150	XL
2015-2019	Ford	Transit-150	XLT
2015-2019	Ford	Transit-250	Base
2016-2019	Ford	Transit-250	PTV

…and 73 additional fitments. Contact us to confirm yours.

Often bought with

Other popular Royal Purple products customers consider together:

Product Details

Product Description

Part Numbers

Sizing & Fit

About Royal Purple

Watch in action

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil

Advanced Performance Features:

Maximum Engine Protection: Guards against wear and corrosion in severe service conditions.
Optimized Soot Handling: Prevents filter plugging and maintains engine cleanliness.
Excellent Cold Flow Properties: Ensures quick starts and reduced wear in cold weather.
Extended Drain Capability: Designed for longer service intervals, reducing maintenance costs.

Vehicle Fitment

Years	Make	Model	Trim
2014-2026	Chevrolet	Silverado 2500 HD	LT
2014-2026	Chevrolet	Silverado 2500 HD	LTZ
2014-2026	Chevrolet	Silverado 2500 HD	WT
2015-2026	Chevrolet	Silverado 2500 HD	High Country
2021-2026	Chevrolet	Silverado 2500 HD	Custom
2024-2026	Chevrolet	Silverado 2500 HD	ZR2
2014-2026	Chevrolet	Silverado 3500 HD	LT
2014-2026	Chevrolet	Silverado 3500 HD	LTZ
2014-2026	Chevrolet	Silverado 3500 HD	WT
2015-2026	Chevrolet	Silverado 3500 HD	High Country
2003	Dodge	Ram 2500	Laramie
2003-2010	Dodge	Ram 2500	SLT
2003-2010	Dodge	Ram 2500	ST
2005-2010	Dodge	Ram 2500	Laramie
2006-2007	Dodge	Ram 2500	Sport
2006-2007	Dodge	Ram 2500	TRX4
2008-2010	Dodge	Ram 2500	SXT
2010	Dodge	Ram 2500	TRX
2003-2010	Dodge	Ram 3500	SLT
2003-2010	Dodge	Ram 3500	ST
2003-2010	Dodge	Ram 3500	Laramie
2006-2007	Dodge	Ram 3500	Sport
2007	Dodge	Ram 3500	TRX4
2008-2009	Dodge	Ram 3500	SXT
2004-2005	Ford	E-350 Club Wagon	Chateau
2004-2005	Ford	E-350 Club Wagon	XL
2004-2005	Ford	E-350 Club Wagon	XLT
2004-2010	Ford	E-350 Super Duty	Base
2006	Ford	E-350 Super Duty	Chateau
2006-2008	Ford	E-350 Super Duty	XL
2006-2010	Ford	E-350 Super Duty	XLT
2010	Ford	E-350 Super Duty	XL
2018-2021	Ford	F-150	King Ranch
2018-2021	Ford	F-150	Lariat
2018-2021	Ford	F-150	Platinum
2018-2021	Ford	F-150	XL
2018-2021	Ford	F-150	XLT
2008-2009	Ford	F-250 Super Duty	FX4
2008-2010	Ford	F-250 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-250 Super Duty	King Ranch
2008-2026	Ford	F-250 Super Duty	Lariat
2008-2026	Ford	F-250 Super Duty	XL
2008-2026	Ford	F-250 Super Duty	XLT
2009-2010	Ford	F-250 Super Duty	Cabela's
2013-2026	Ford	F-250 Super Duty	Platinum
2018-2024	Ford	F-250 Super Duty	Limited
2008-2009	Ford	F-350 Super Duty	FX4
2008-2010	Ford	F-350 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-350 Super Duty	King Ranch
2008-2026	Ford	F-350 Super Duty	Lariat
2008-2026	Ford	F-350 Super Duty	XL
2008-2026	Ford	F-350 Super Duty	XLT
2009-2010	Ford	F-350 Super Duty	Cabela's
2013-2026	Ford	F-350 Super Duty	Platinum
2018-2024	Ford	F-350 Super Duty	Limited
2015-2019	Ford	Transit-150	Base
2015-2019	Ford	Transit-150	XL
2015-2019	Ford	Transit-150	XLT
2015-2019	Ford	Transit-250	Base
2016-2019	Ford	Transit-250	PTV

…and 73 additional fitments. Contact us to confirm yours.

Often bought with

Other popular Royal Purple products customers consider together:

Product Details

Product Description

About Royal Purple

Watch in action

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil

Advanced Performance Features:

Maximum Engine Protection: Guards against wear and corrosion in severe service conditions.
Optimized Soot Handling: Prevents filter plugging and maintains engine cleanliness.
Excellent Cold Flow Properties: Ensures quick starts and reduced wear in cold weather.
Extended Drain Capability: Designed for longer service intervals, reducing maintenance costs.

Vehicle Fitment

Years	Make	Model	Trim
2014-2026	Chevrolet	Silverado 2500 HD	LT
2014-2026	Chevrolet	Silverado 2500 HD	LTZ
2014-2026	Chevrolet	Silverado 2500 HD	WT
2015-2026	Chevrolet	Silverado 2500 HD	High Country
2021-2026	Chevrolet	Silverado 2500 HD	Custom
2024-2026	Chevrolet	Silverado 2500 HD	ZR2
2014-2026	Chevrolet	Silverado 3500 HD	LT
2014-2026	Chevrolet	Silverado 3500 HD	LTZ
2014-2026	Chevrolet	Silverado 3500 HD	WT
2015-2026	Chevrolet	Silverado 3500 HD	High Country
2003	Dodge	Ram 2500	Laramie
2003-2010	Dodge	Ram 2500	SLT
2003-2010	Dodge	Ram 2500	ST
2005-2010	Dodge	Ram 2500	Laramie
2006-2007	Dodge	Ram 2500	Sport
2006-2007	Dodge	Ram 2500	TRX4
2008-2010	Dodge	Ram 2500	SXT
2010	Dodge	Ram 2500	TRX
2003-2010	Dodge	Ram 3500	SLT
2003-2010	Dodge	Ram 3500	ST
2003-2010	Dodge	Ram 3500	Laramie
2006-2007	Dodge	Ram 3500	Sport
2007	Dodge	Ram 3500	TRX4
2008-2009	Dodge	Ram 3500	SXT
2004-2005	Ford	E-350 Club Wagon	Chateau
2004-2005	Ford	E-350 Club Wagon	XL
2004-2005	Ford	E-350 Club Wagon	XLT
2004-2010	Ford	E-350 Super Duty	Base
2006	Ford	E-350 Super Duty	Chateau
2006-2008	Ford	E-350 Super Duty	XL
2006-2010	Ford	E-350 Super Duty	XLT
2010	Ford	E-350 Super Duty	XL
2018-2021	Ford	F-150	King Ranch
2018-2021	Ford	F-150	Lariat
2018-2021	Ford	F-150	Platinum
2018-2021	Ford	F-150	XL
2018-2021	Ford	F-150	XLT
2008-2009	Ford	F-250 Super Duty	FX4
2008-2010	Ford	F-250 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-250 Super Duty	King Ranch
2008-2026	Ford	F-250 Super Duty	Lariat
2008-2026	Ford	F-250 Super Duty	XL
2008-2026	Ford	F-250 Super Duty	XLT
2009-2010	Ford	F-250 Super Duty	Cabela's
2013-2026	Ford	F-250 Super Duty	Platinum
2018-2024	Ford	F-250 Super Duty	Limited
2008-2009	Ford	F-350 Super Duty	FX4
2008-2010	Ford	F-350 Super Duty	Harley-Davidson Edition
2008-2026	Ford	F-350 Super Duty	King Ranch
2008-2026	Ford	F-350 Super Duty	Lariat
2008-2026	Ford	F-350 Super Duty	XL
2008-2026	Ford	F-350 Super Duty	XLT
2009-2010	Ford	F-350 Super Duty	Cabela's
2013-2026	Ford	F-350 Super Duty	Platinum
2018-2024	Ford	F-350 Super Duty	Limited
2015-2019	Ford	Transit-150	Base
2015-2019	Ford	Transit-150	XL
2015-2019	Ford	Transit-150	XLT
2015-2019	Ford	Transit-250	Base
2016-2019	Ford	Transit-250	PTV

…and 73 additional fitments. Contact us to confirm yours.

Often bought with

Other popular Royal Purple products customers consider together:

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 1 Gallon — Fits 2003-2010 Dodge Ram, Ford Super Duty, Hummer H1

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 1 Gallon — Fits 2003-2010 Dodge Ram, Ford Super Duty, Hummer H1

Car Wheel Size Chart

How to Read Tire Size

Product Details

About Royal Purple

Watch in action

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil

Advanced Performance Features:

Vehicle Fitment

Often bought with

Product Details

About Royal Purple

Watch in action

Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil

Advanced Performance Features:

Vehicle Fitment

Often bought with

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Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5

Wheel Diameter (inches)	Tire Width (mm)	Aspect Ratio	Rim Width (inches)
14	185	65	5.5
15	195	60	6.0
16	205	55	6.5
17	215	50	7.0
18	225	45	7.5
19	235	40	8.0
20	245	35	8.5