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The Sinister Diesel billet fuel cap is specified for 2008–2020 Ford Powerstroke diesel engines and is anodized in limited‑edition Sinister Green. CNC machined from T6‑6061 billet aluminum, it includes a tight O‑ring seal and a magnet in the base for temporary storage during fueling; the cap is laser‑etched with the Sinister Diesel logo and ships with a Viton O‑ring for a water‑ and debris‑resistant seal.
Sinister Diesel 08-16 Ford Powerstroke 6.4/6.7L Fuel Cap- Green
