Red Line Synthetic Motor Oil: 15W40 Diesel Oil #21404 (1-Quart)

Highly resistant to thermal breakdown. Provides double the detergent and acid-neutralizing ability of conventional petroleum diesel engine oils for maximum engine cleanliness. Ideal for diesels that run high oil temperature, such as those operated in hot weather or those in light truck applications where heavy loads are carried or towed. Best choice in medium and heavy-duty diesel truck engines when maximum durability is required. When used at extended drain intervals, it is an excellent value for long-haul, fleet use.

• Recommended for API CJ-4/CI-4 Plus/CI-4/CF/CH-4/CF-4
• Popular for Light Duty trucks including Chevrolet Duramax, Dodge Cummins, Ford Power Stroke
• Best choice in medium and heavy-duty diesel truck engines for maximum durability
• Improved drain intervals provide excellent value for commercial fleet use
• Also for API SM/SL/SJ/SH/SG/CF and ACEA A3/B3/B4 E7/E9

1-Quart