Ignitions and Electrical Ignition Components

NGK

NGK Audi A4 2010-2009 Direct Fit Oxygen Sensor

$157.50

SKU: N003 25729

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 NGK 25729 is an OE identical oxygen sensor, designed to provide superior fit, form, and function. As The Sensor Specialist, NTK leverages state-of-the-art technology and extensive testing to ensure quality and reliability that meets or exceeds OE specifications. O2 sensors are vital for reading the air/fuel ratio of your engine and can impact performance if they fail.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandNGK
Part NumberN003 25729

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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