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This Sinister Diesel Coolant Filtration System is specified for 2020–2021 GM Duramax L5P 6.6L trucks and ships with a Wix-style filter element. It’s an inline coolant filtration assembly supplied to fit the L5P coolant circuit, offering a means to filter particulates from the cooling system using the included Wix-compatible filter component.
Sinister Diesel20-21 GM Duramax L5P 6.6L Coolant Filtration System (W/ Wix)
