DZFST.FI

DZFST.FI AFM/DFM Disabler Gen2 is a plug‑and‑play OBD2 module that helps prevent unwanted Active/Displacement Fuel Management transitions on compatible GM V8 trucks and SUVs without altering ECU software. If your GM V8 shows frequent cylinder switching, occasional shuddering, or inconsistent throttle response while cruising,...

R12T Fuel Filter Water Separator is a direct-fit spin-on filter with an integrated water-collection bowl that removes fuel contaminants and separates free water for cleaner fuel delivery. This spin-on filter from DZFST.FI replaces factory R12T-style cartridges and fits many outboard marine engines and other...

DZFST.FI S3213 is a direct-fit 10-micron fuel water separator designed to remove water and contaminants from outboard engine fuel systems. Built as a replacement for common marine part numbers, this filter cartridge offers reliable protection for outboard motors by trapping particles and separating free...