How much extra oil do I need to add with this.
Sinister Diesel CAT Fuel Filter Adapter for 2001-2016 GM Duramax 6.6L
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Open Apr 14, 2026 - 03:38 PM
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Apr 14, 2026 - 03:38 PM
This is a fuel filter, so no extra oil is needed. The Sinister Diesel CAT Fuel Filter Adapter for 2001-2016 GM Duramax 6.6L is part of a duramax cat fuel filter conversion kit, designed specifically for fuel filtration, not oil filtration or oil changes.
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