RLP80561
Royal Purple Duralec Ultra Diesel 15W40 CK-4 Motor Oil - 1 Gallon
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Duralec Ultra combines premium base oils with Royal Purple's proprietary additive technology, Synerlec, to create a high-performance motor oil that optimizes engine performance and provides superior protection in rigorous on/off highway applications. Synerlec provides unsurpassed film strength and lubricity – up to 4X more than top competitors. In addition, advanced synthetic solvency reduces engine deposits and keeps engines clean. The net result is a better performing engine, with reduced downtime and lower cost of ownership. Royal Purple recommends for use in a variety of heavy-duty applications including commuting, over-the-road trucking, agriculture, construction and mining.
DatasheetThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996-1997 | Acura | SLX | Base |
| 1996-1999 | Acura | SLX | Premium |
| 1994-2001 | AM General | Hummer | Base |
| 1997-1998 | Aston Martin | DB7 | Base |
| 2000-2002 | Aston Martin | DB7 | Vantage |
| 2000-2002 | Aston Martin | DB7 | Vantage Volante |
| 1997-1998 | Aston Martin | DB7 | Volante |
| 1991-1998 | BMW | 318i | Base |
| 1991-1997 | BMW | 318is | Base |
| 1995-1999 | BMW | 318ti | Base |
| 1986-1988 | BMW | 325 | Base |
| 1986-1987 | BMW | 325e | Base |
| 1986-1987 | BMW | 325es | Base |
| 1987-1995 | BMW | 325i | Base |
| 1987-1995 | BMW | 325is | Base |
| 1988-1991 | BMW | 325iX | Base |
| 1996-1997 | BMW | 328i | Base |
| 1996-1997 | BMW | 328is | Base |
| 1989-1995 | BMW | 525i | Base |
| 1993 | BMW | 525iT | Base |
| 1994-1995 | BMW | 530i | Base |
| 1989-1993 | BMW | 535i | Base |
| 1994-1995 | BMW | 540i | Base |
| 1988-1991,1995-1998 | BMW | M3 | Base |
| 1995 | BMW | M3 | Lightweight |
| 1997,1999-2000 | Chevrolet | C3500 | Base |
| 1997-1998 | Chevrolet | C3500 | Cheyenne |
| 1999-2000 | Chevrolet | C3500 | LS |
| 1997-1998 | Chevrolet | C3500 | Silverado |
| 1997-2002 | Chevrolet | Express 2500 | Base |
| 1996-2002 | Chevrolet | Express 2500 | LS |
| 1996-2002 | Chevrolet | Express 3500 | Base |
| 1996-2002 | Chevrolet | Express 3500 | LS |
| 2002-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2002-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2002-2006 | Chevrolet | Silverado 2500 HD | LT |
| 2004-2006 | Chevrolet | Silverado 2500 HD | WT |
| 2002-2005 | Chevrolet | Silverado 3500 | Base |
| 2002-2006 | Chevrolet | Silverado 3500 | LS |
| 2002-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 1994-2001 | Dodge | Ram 2500 | Base |
| 2003,2005-2010 | Dodge | Ram 2500 | Laramie |
| 2003-2010 | Dodge | Ram 2500 | SLT |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2003-2010 | Dodge | Ram 2500 | ST |
| 2008-2010 | Dodge | Ram 2500 | SXT |
| 2010 | Dodge | Ram 2500 | TRX |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 2003-2010 | Dodge | Ram 3500 | Laramie |
| 2003-2010 | Dodge | Ram 3500 | SLT |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2003-2010 | Dodge | Ram 3500 | ST |
| 2008-2009 | Dodge | Ram 3500 | SXT |
| 2007 | Dodge | Ram 3500 | TRX4 |
| 2003-2006,2009 | Dodge | Sprinter 2500 | Base |
| 2003-2006,2009 | Dodge | Sprinter 3500 | Base |
| 2003-2005 | Ford | E-350 Club Wagon | Chateau |
| 2003-2005 | Ford | E-350 Club Wagon | XL |
| 2003-2005 | Ford | E-350 Club Wagon | XLT |
| 1995-1998 | Ford | E-350 Econoline | Base |
| 1995-1998 | Ford | E-350 Econoline | XL |
| 1995-2002 | Ford | E-350 Econoline Club Wagon | Chateau |
| 1995-1996 | Ford | E-350 Econoline Club Wagon | Chateau HD |
| 1995-2000 | Ford | E-350 Econoline Club Wagon | Custom |
| 2001-2002 | Ford | E-350 Econoline Club Wagon | XL |
| 1995-1998 | Ford | E-350 Econoline Club Wagon | XL HD |
| 1995-2002 | Ford | E-350 Econoline Club Wagon | XLT |
| 1995-1998 | Ford | E-350 Econoline Club Wagon | XLT HD |
| 1999-2010 | Ford | E-350 Super Duty | Base |
| 2006 | Ford | E-350 Super Duty | Chateau |
| 1999-2000,2006-2008,2010 | Ford | E-350 Super Duty | XL |
| 2006-2010 | Ford | E-350 Super Duty | XLT |
| 2003-2005 | Ford | Excursion | Eddie Bauer |
| 2000-2005 | Ford | Excursion | Limited |
| 2004-2005 | Ford | Excursion | XLS |
| 2000-2005 | Ford | Excursion | XLT |
| 1997 | Ford | F-250 HD | XL |
| 1997 | Ford | F-250 HD | XLT |
| 2009-2010 | Ford | F-250 Super Duty | Cabela's |
| 2008-2009 | Ford | F-250 Super Duty | FX4 |
| 2004-2010 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2004-2026 | Ford | F-250 Super Duty | King Ranch |
| 1999-2026 | Ford | F-250 Super Duty | Lariat |
| 2018-2024 | Ford | F-250 Super Duty | Limited |
| 2013-2026 | Ford | F-250 Super Duty | Platinum |
| 1999-2026 | Ford | F-250 Super Duty | XL |
| 1999-2026 | Ford | F-250 Super Duty | XLT |
| 2009-2010 | Ford | F-350 Super Duty | Cabela's |
| 2008-2009 | Ford | F-350 Super Duty | FX4 |
| 2004-2010 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2003-2026 | Ford | F-350 Super Duty | King Ranch |
| 1999-2026 | Ford | F-350 Super Duty | Lariat |
| 2018-2024 | Ford | F-350 Super Duty | Limited |
| 2013-2026 | Ford | F-350 Super Duty | Platinum |
| 1999-2026 | Ford | F-350 Super Duty | XL |
| 1999-2026 | Ford | F-350 Super Duty | XLT |
| 1993-1997 | Ford | Probe | Base |
| 1993-1997 | Ford | Probe | GT |
| 1997 | Ford | Probe | GTS |
| 1993-1996 | Ford | Probe | SE |
| 1995-1997 | Ford | Windstar | Base |
| 1995-1997 | Ford | Windstar | GL |
| 2002,2004-2006 | Freightliner | Sprinter 2500 | Base |
| 2002,2004-2006 | Freightliner | Sprinter 3500 | Base |
| 1993 | Honda | Accord | 10th Anniversary |
| 1996 | Honda | Accord | 25th Anniversary Edition |
| 1990-1997 | Honda | Accord | DX |
| 1990-1997 | Honda | Accord | EX |
| 1990-1997 | Honda | Accord | LX |
| 1991,1993,1997 | Honda | Accord | SE |
| 1996-1997 | Honda | Accord | Value Package |
| 1999-2001 | Honda | CR-V | EX |
| 1999-2001 | Honda | CR-V | LX |
| 2000-2001 | Honda | CR-V | SE |
| 1994-1996 | Honda | Passport | DX |
| 1994-2002 | Honda | Passport | EX |
| 1994-2002 | Honda | Passport | LX |
| 2006 | Hummer | H1 | Alpha |
| 2002-2004 | Hummer | H1 | Base |
| 1999-2000 | Hyundai | Accent | GL |
| 1999-2000 | Hyundai | Accent | GS |
| 1999-2002 | Hyundai | Accent | L |
| 2007-2008 | Hyundai | Santa Fe | GLS |
| 2007-2008 | Hyundai | Santa Fe | Limited |
| 2007-2008 | Hyundai | Santa Fe | SE |
| 2004 | Isuzu | Rodeo | S |
| 1988-1989 | Isuzu | Trooper | LS |
| 1989-1990 | Isuzu | Trooper | RS |
| 1988-1991 | Isuzu | Trooper | S |
| 1988-1989 | Isuzu | Trooper | XS |
| 2002 | Jaguar | XKR | 100 |
| 2000-2002 | Jaguar | XKR | Base |
| 2001 | Jaguar | XKR | Silverstone |
| 2006-2007 | Kia | Optima | EX |
| 2006-2007 | Kia | Optima | LX |
| 2016-2017 | Kia | Sorento | EX |
| 2016 | Kia | Sorento | SX Limited |
| 1993 | Land Rover | Defender 110 | Base |
| 1994-1995,1997 | Land Rover | Defender 90 | Base |
| 1997 | Land Rover | Defender 90 | LE |
| 1998 | Land Rover | Discovery | 50th Anniversary Edition |
| 1994-1995 | Land Rover | Discovery | Base |
| 1998 | Land Rover | Discovery | LE |
| 1997-1998 | Land Rover | Discovery | LSE |
| 1996-1997 | Land Rover | Discovery | SD |
| 1996-1997 | Land Rover | Discovery | SE |
| 1996-1997 | Land Rover | Discovery | SE7 |
| 1997 | Land Rover | Discovery | XD |
| 1990-1991 | Lexus | ES250 | Base |
| 1997-2004 | Lotus | Esprit | V8 |
| 2013-2018 | Ram | 2500 | Big Horn |
| 2011-2018 | Ram | 2500 | Laramie |
| 2014-2015 | Ram | 2500 | Laramie Limited |
| 2011-2018 | Ram | 2500 | Laramie Longhorn |
| 2016-2018 | Ram | 2500 | Limited |
| 2013-2015 | Ram | 2500 | Lone Star |
| 2012-2016 | Ram | 2500 | Outdoorsman |
| 2011-2018 | Ram | 2500 | SLT |
| 2011-2013 | Ram | 2500 | ST |
| 2013-2018 | Ram | 2500 | Tradesman |
| 2013-2018 | Ram | 3500 | Big Horn |
| 2011-2019 | Ram | 3500 | Laramie |
| 2014-2015 | Ram | 3500 | Laramie Limited |
| 2011-2018 | Ram | 3500 | Laramie Longhorn |
| 2016-2019 | Ram | 3500 | Limited |
| 2013-2015,2017 | Ram | 3500 | Lone Star |
| 2011-2019 | Ram | 3500 | SLT |
| 2011-2013 | Ram | 3500 | ST |
| 2013-2019 | Ram | 3500 | Tradesman |
| 1999 | Saab | 9-3 | Base |
| 1999 | Saab | 9-3 | SE |
| 1994-1998 | Saab | 900 | S |
| 1998 | Saab | 900 | S Turbo |
| 1994-1997 | Saab | 900 | SE |
| 1994-1998 | Saab | 900 | SE Turbo |
| 1993-1997 | Saab | 9000 | Aero |
| 1991-1992 | Saab | 9000 | Base |
| 1991-1993 | Saab | 9000 | CD |
| 1992 | Saab | 9000 | CD Griffin Edition |
| 1991-1993 | Saab | 9000 | CD Turbo |
| 1993-1994 | Saab | 9000 | CDE |
| 1993-1994 | Saab | 9000 | CDE Turbo |
| 1993-1994 | Saab | 9000 | CS |
| 1993-1994 | Saab | 9000 | CS Turbo |
| 1993-1994 | Saab | 9000 | CSE |
| 1993-1997 | Saab | 9000 | CSE Turbo |
| 1990-1992 | Saab | 9000 | S |
| 1991-1992 | Saab | 9000 | Turbo |
| 2006-2007 | Suzuki | Grand Vitara | Base |
| 2010 | Suzuki | Grand Vitara | Limited |
| 2006-2007,2009 | Suzuki | Grand Vitara | Luxury |
| 2006 | Suzuki | Grand Vitara | Premium |
| 2001 | Suzuki | Grand Vitara | XL-7 |
| 2001 | Suzuki | Grand Vitara | XL-7 Limited |
| 2001 | Suzuki | Grand Vitara | XL-7 Plus |
| 2001 | Suzuki | Grand Vitara | XL-7 Touring |
| 2006-2007,2009-2010 | Suzuki | Grand Vitara | XSport |
| 2013 | Suzuki | Kizashi | Base |
| 2010,2013 | Suzuki | Kizashi | GTS |