Diesel Fuel System Kit

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AR6400-D Diesel Fuel System Cleaner delivers an intensive one-tank deep clean, removing injector deposits (IDIDs), restoring turbo performance, and clearing carbon and soot buildup that can lead to poor fuel economy and frequent DPF regenerations. Follow-up with AR6500 Diesel Treatment at every fill-up to boost cetane, improve combustion, increase fuel economy, and protect the entire fuel system while keeping injectors, turbo, and the DPF clean. Together they deliver: Increased fuel economy Improved throttle response Smoother, quieter engine operation Increased lubricity to protect the fuel system (inc. the CP4) Fewer DPF regenerations Show more