Ridgeline 5W-40 CK-4 Synthetic Heavy Duty Engine Oil, 18.9L

Premium Synthetic Formula
5W-40 CK-4 synthetic heavy-duty engine oil offering superior performance and protection in demanding conditions.

Extreme Temperature Protection
Provides excellent low-temperature fluidity for cold starts and high-temperature stability for heavy-duty operations.

Enhanced Engine Wear Protection
Reduces friction, minimizes wear, and prevents sludge buildup, extending engine life.

Heavy-Duty Compatibility
Designed for use in diesel and gasoline engines, including trucks, construction, and off-road equipment.

Large 18.9L Capacity
Ideal for commercial, industrial, and fleet applications, providing a bulk supply for consistent maintenance.