Ignitions and Electrical Ignition Components

Denso

O2 SENSOR

$183.34

SKU: D00A 234-9123

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Denso 234-9123 is an Air/Fuel Ratio Sensor designed for precise output in proportion to the air/fuel mixture. This sensor provides the ECU with an exact AFR response, leading to improved performance, reduced emissions, and enhanced gas mileage.

Constructed with a Zirconia sensing element and a stainless steel housing, this Denso sensor is built to resist corrosion and contamination. It features a double protection cover to maintain optimal operating temperature and protect the ceramic element, along with a porous PTFE filter to keep out contaminants while allowing atmospheric oxygen entry. This sensor has a threaded mounting type, OE-style connector, and four wires.

Fitment

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Specifications

BrandDenso
Part NumberD00A 234-9123

Buy with Confidence

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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