AMSOIL Premium Diesel Synthetic 5W-40 Engine Oil now carries the Ford WSS-M2C171E diesel oil specification. This spec signifies that a motor oil is suitable for Ford’s PowerStroke 7.3, 6.0 and 6.4 litre engines.
Your guess is as good as ours as to what factors are required to reach this specification. Many automakers offer up their own ambiguous motor oil specs, but for domestic vehicles, the API specifications are predominantly recognized. In the case of AMSOIL Synthetic Diesel 5w-40, it is API CJ-4 licensed and that’s all that most modern diesel owners truly watch for.
This AMSOIL Diesel 5W-40 is applicable for year-round use in the vast majority of diesel applications. It offers a -51°F cold pour point for winter use and low volatility for summer use. It also provides potent wear protection and improved fuel economy. Contact us using the form on your right for a wholesale synthetic oil price list.