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Schaeffer's 139A SoyShield® All Season Diesel Fuel Additive is a concentrated multi-functional premium diesel fuel additive. It is specially formulated for use in all types of diesel, especially low sulfur and ultra low sulfur diesel fuels. SoyShield ® All Season provides clean-up and keep clean performance, as shown by the Peugeot DW-10 Injector Depositing Test throughout the entire fuel system. SoyShield® All Season contains a unique blend of methyl soyate bio-diesel derived from soybean oil. It also contains a highly concentrated multi-functional additive package.
Supports the use of a renewable farmer supplied fuel source
Boosts the fuel’s cetane number up to 4 points
Increased fuel economy up to 5%
Flow Improver to lower the fuel’s gelling point