What does CK-4 mean in oil?
Off-highway vehicles: What CK-4/FA-4 means for off-highway/construction vehicles. Improved protection and performance, even in the harsh conditions your vehicles operate in on a daily basis. To meet PC-11 requirements, these new oils will have to pass strict industry tests.

Red Line Pro-Series Diesel CK4 5W40 Motor Oil - Quart Features:

• Full-synthetic, OEM-certified formula designed for use in newer low-emission diesel engines as well as older diesel • applications equipped with exhaust after-treatment devices operating under extreme temperature conditions
• Provides outstanding protection against abrasive wear and soot-induced oil thickening
• Formulated to keep engines clean by providing protection against soot and deposits
• Helps to protect exhaust after-treatment systems from degrading and loss of efficiency
• Protects against rust, bearing and engine wear
• Approved for API CK-4, CJ-4 and CI-4 Plus
• Recommended for ACEA E9-08/E7-08, Ford WSS-M2C171-F1, Mercedes-Benz Sheet 228.31, Cummins CES 20086, Caterpillar ECF-3, ECF-2, ECF-1-a, Detroit Diesel DFS 93K222, MACK EOS 4.5, Renault RLD-4 and Volvo VDS-4.5

Price per quart