Air and Fuel› Oxygen Sensors, Controllers and Components

Denso

OXYGEN SENSOR

$322.07

SKU: D00A 234-9058

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The DENSO Air/Fuel Ratio Sensor (AFR) is a highly sensitive and crucial component for engine management. It accurately measures the air-to-fuel mixture in the exhaust gas under various driving conditions, relaying this information to the engine's computer. This enables precise adjustments, resulting in optimized fuel consumption, reduced emissions, and extended catalytic converter life by maintaining an ideal air-fuel ratio. The sensor provides fine control over air/fuel mixtures, enhancing the efficiency of fuel injection and engine timing. Key features include tarnish-proof platinum electrodes for durability, an aluminum-oxide trap layer to prevent electrode damage from contaminants like silicone and lead, corrosion-resistant stainless steel housing, watertight construction, and a porous PTFE filter for protection against contamination. A double protection cover helps maintain the optimal unit temperature for quicker response times, which is vital for fuel efficiency. Each sensor is meticulously manufactured and tested to strict OE standards to ensure unparalleled performance, exact replacement, and a "first-time fit."
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OXYGEN SENSOR

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

BrandDenso
Part NumberD00A 234-9058

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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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