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BLOX Racing offers 02 diagnostic plug (aka defouler) for diagnosing oxygen sensor and catalytic converter efficiency issues. Available in stainless steel. 46mm length with M18x1.5mm thread pitch. Hole is 6.25mm Sold individually.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$9.75