Royal Purple Royal Purple Duralec Super Diesel 10W30 CK-4 Motor Oil - 5 Gallon - 85130 Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as:... $245.99 $215.99
Royal Purple Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 1 Gallon - 43154 Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as:... $131.97 $114.99
Royal Purple Royal Purple Duralec Super Diesel 15W40 CK-4 Motor Oil - 5 Gallon - 05154 Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as:... $245.99 $215.99
Royal Purple Royal Purple Duralec Super Diesel 5W40 CK-4 Motor Oil - 1 Gallon - 80540 Duralec Super motor oil is a high performance synthetic engine oil made for those diesel engines requiring the use of an emissions compliant oil for the 2007 and 2010 emissions equipment such as:... $131.97 $114.99
Royal Purple Royal Purple Duralec Ultra Diesel 10W30 CK-4 Motor Oil - 1 Gallon - 80456 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... $158.97 $141.99
Royal Purple Royal Purple Duralec Ultra Diesel 10W30 CK-4 Motor Oil - 5 Gallon - 85456 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... $255.99 $223.99
Royal Purple Royal Purple Duralec Ultra Diesel 15W40 CK-4 Motor Oil - 1 Gallon - 80561 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... $158.97 $141.99
Royal Purple Royal Purple Engine Break-In Oil - 1 Quart - 06487 Royal Purple Break-In Oil is formulated to provide the critical wear protection needed by the engine valve train and camshaft while allowing new piston rings to quickly seat to the engine cylinder... $83.94 $81.99
Royal Purple Royal Purple HMX Premium Synthetic High Mileage 5W20 Motor Oil - 1 Quart - 67511 Royal Purple's advanced Synerlec technology provides an exceptional film strength by reducing friction for peak engine performance. Synerlec also provides outstanding oxidation resistance to safely... $77.94 $75.99
Royal Purple Royal Purple HMX Premium Synthetic High Mileage 5W20 Motor Oil - 5 Quart - 37518 Royal Purple's advanced Synerlec technology provides an exceptional film strength by reducing friction for peak engine performance. Synerlec also provides outstanding oxidation resistance to safely... $194.97 $160.99
Royal Purple Royal Purple HMX Premium Synthetic High Mileage 5W30 Motor Oil - 1 Quart - 11745 Royal Purple's advanced Synerlec technology provides an exceptional film strength by reducing friction for peak engine performance. Synerlec also provides outstanding oxidation resistance to safely... $77.94 $75.99
Royal Purple Royal Purple HMX Premium Synthetic High Mileage 5W30 Motor Oil - 5 Quart - 11749 Royal Purple's advanced Synerlec technology provides an exceptional film strength by reducing friction for peak engine performance. Synerlec also provides outstanding oxidation resistance to safely... $194.97 $160.99
