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Made from 316 stainless steel, our simple 4.75mm adaptor is intended to easily mount the commonly used LSU 4.2 wideband O2 sensor in your 4AG's factory oxygen sensor location.

A new gasket is included. The barely visible occamotif logo is for the eagle-eyed: try and find it.

*International customers, please contact us for a quote for additional shipping costs.

4AGE Factory Location Wideband O2 Adaptor

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