Exterior Components Body Panels and Components

STANDARD IGN

KNOCK SENSOR

$67.44

SKU: S092 KS477

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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 Standard Ignition KS477 is a knock (detonation) sensor designed for precise detection of engine knock in select Mazda and Nissan vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

This sensor is constructed with durable ABS plastic and features a direct mounting type for secure installation. It is equipped with 2 male blade terminals for a reliable electrical connection. The KS477 is compatible with various Mazda models including the Mazda 3, Mazda 6, CX-3, CX-5, MX-5 Miata, and Nissan Murano.

Fitment

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Specifications

BrandSTANDARD IGN
Part NumberS092 KS477

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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