Quick view Royal Purple Royal Purple Duralec Super Diesel 5W-40 CK-4 Motor Oil - 6 Gallon Bag-In-Box - 86540 Compare $235.99 $188.99 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:... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 10W-30 CK-4 Motor Oil - 1 Gallon - 80456 Compare $134.97 $107.99 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... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 10W-30 CK-4 Motor Oil - 5 Gallon - 85456 Compare $214.99 $171.99 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... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 10W-30 CK-4 Motor Oil - 55 Gallon - 87456 Compare $2,172.99 $1,737.99 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... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 1 Gallon - 80561 Compare $134.97 $107.99 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... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 5 Gallon - 85561 Compare $214.99 $171.99 Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 5 Gallon Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 55 Gallon - 87561 Compare $2,172.99 $1,737.99 Royal Purple Duralec Ultra Diesel 15W-40 CK-4 Motor Oil - 55 Gallon Add to Cart Add to Cart
Quick view Royal Purple Royal Purple Engine Break-In Oil - 1 Quart - 06487 Compare $80.94 $65.99 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... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple High Performance Ultra-Low Viscosity 0W-16 Motor Oil - 1 Quart - 06016 Compare $74.94 $59.99 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple High Performance Ultra-Low Viscosity 0W-16 Motor Oil - 5 Quart - 53016 Compare $137.99 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple High Performance Ultra-Low Viscosity 0W-16 Motor Oil - 55 Gallon - 55016 Compare $1,971.99 $1,577.99 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads... Add to Cart Add to Cart
Quick view Royal Purple Royal Purple High Performance Ultra-Low Viscosity 0W-16 Motor Oil - 6 Gallon Bag-In-Box - 60016 Compare $226.99 $181.99 Modern gasoline direct injection (GDI) engines have achieved levels of power and fuel economy never before possible in passenger car engines. As a result, smaller engines operate at much higher loads... Add to Cart Add to Cart
