Rotella (550019921) T6 5W-40 Full Synthetic, Heavy Duty Diesel Engine Oil (CJ-4) - 1 Gallon

I have an 2004 Audi A4 with 165K Miles. This car had 100% of the oil changes done by the local Audi dealer. After the turbo failed at 155K I replaced it and at the same time, pulled the valve cover and oil pan to clean out any sludge or debris. I perform oil changes now at between 4500-5000 miles. On the most recent change I sent samples to Blackstone Labs for Analysis. Sample came back with excellent viscosity numbers. So far after two changes the engine looks very clean inside of the valve cover. It's too soon to tell but I believe the detergents are doing their job. I plan on continuing with T6. - Customer Reviews

Product Description Size: 1 Gallon Shell Rotella T6 engine oils are suitable for use in many on and off-highway heavy duty applications. They are particularly effective in modern low-emission, heavy duty engines, especially those with exhaust after-treatment devices operating in extreme hot and cold conditions. T6 meets or exceeds the performance requirements of industry specifications such as API CJ-4, and is particularly suitable for vehicles fitted with diesel particulate filters (DPFs).

Product Features
• Shell Rotella T6 full synthetic, heavy duty, oil features an advanced multi-functional, low-ash additive technology in a synthetic base oil designed to provide highly responsive protection that continuously adapts to your driving conditions
• Rotella T6 is formulated with reduced levels of ash, phosphorous and sulfur to help maintain the efficiency of the latest vehicle-emissions technologies
• Shell Rotella T6 5W-40 provides excellent low-temperature flow, even at -30 degrees Fahrenheit
• Shell Rotella T6 5W-40 provides unsurpassed protection against shear-stability degradation, compared to the leading competitive API CJ-4 5W-40 products
• Rotella T6 full synthetic, heavy duty, oil features an advanced multi-functional, low-ash additive technology in a synthetic base oil designed to provide highly responsive protection that continuously adapts to your driving conditions

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