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Exhaust› Headers, Manifolds and Components

Blox Racing

O2 Sensor Bung, Diagnostic Plug, Stainless Steel

$17.00 $14.45 Save $2.55

SKU: BXFL-00108-SS

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Overview

The BLOX Racing 02 Diagnostic Plug is a stainless steel defouler designed to aid in diagnosing oxygen sensor and catalytic converter efficiency issues. It features a 46mm length with an M18x1.5mm thread pitch and a 6.25mm hole size. This diagnostic plug is sold individually.
Show original supplier description
The BLOX Racing 02 Diagnostic Plug, also known as a defouler, is crafted from stainless steel to assist in diagnosing issues related to oxygen sensor and catalytic converter efficiency. This component is essential for identifying potential problems within your vehicle's emissions system. Constructed from durable stainless steel, the plug measures 46mm in length and features an M18x1.5mm thread pitch. The internal hole is precisely sized at 6.25mm to ensure proper function. Each diagnostic plug is sold individually, allowing for flexible application. This diagnostic plug is a valuable tool for performance enthusiasts and DIY mechanics looking to fine-tune their exhaust systems or troubleshoot check engine lights that may be related to emissions components. Its simple design facilitates installation and removal, making it a convenient addition to a performance build or diagnostic toolkit.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandBlox Racing
Part NumberBXFL-00108-SS
CategoryExhaust
5,000+ Trusted brands
1M+ Enthusiasts
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(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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