Ignitions and Electrical› Ignition Components

NGK

NGK Audi A3 2013-2011 Direct Fit Oxygen Sensor

$161.89

SKU: N003 25657

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

Easy — 1–2 hours

Description

The NGK 25657 is a 4-wire, heated, narrow-band oxygen sensor designed as a direct-fit replacement. It features a 31.50-inch wiring harness and a threaded mounting type with an M18 - 1.5 thread size. The sensor utilizes advanced ceramic technology for durability and rapid response times. It comes with a female, oval-shaped connector and blade-type terminals.

The plasma jet and deposit trap overcoat protect the sensor element from poisoning, while the dual-coated platinum interface ensures fast light-off and response.

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

BrandNGK
Part NumberN003 25657

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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