Classic Blue (TM) engine oil strikes the perfect balance between price and performance. It is a proven product, which is able to stand up to the harshest demands. Classic Blue (TM) engine oil is formulated to provided optimum performance in medium and heavy duty diesel engines operating under a wide range of service conditions. It is blended with premium quality paraffinic base oils and proven additive chemistry developed through vigorous laboratory and field testing. Classic Blue (TM) has been put to the test on the field where it counts - it has lubricated engines, generators and ships over millions of kms of road, millions of hours of operation and across millions of nautical miles
Premium Blue engine oil provides advanced protection in diesel engines operating under a variety of service conditions. The advanced technology helps optimize extended service intervals, in appropriate conditions, for on-highway fleets.
Partially clogged fuel injectors can cause engines to lose power, produce excessive smoke, and experience a loss in fuel economy. Valvoline's SynPower Diesel Injector Cleaner is specially formulated to remove deposits from the fuel system of diesel engines.
