Ignitions and Electrical› Ignition Components

Denso

SUBARU

$266.58

SKU: D00A 234-5178

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Denso 234-5178 is a replacement air-fuel ratio sensor designed to provide precise output in proportion to the air/fuel ratio. This wideband sensor uses a sophisticated sensing element and planar technology to deliver an exact AFR response to the ECU. It features a compact and lightweight design with a heated zirconia ceramic sensing element, requiring less power and fitting into tighter areas.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDenso
Part NumberD00A 234-5178

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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