Ignitions and Electrical Ignition Components

NGK

NTK ID0172 IGNITION KNOCK SENSOR

$115.60

SKU: N003 72945

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 NTK 72945 ID0172 Knock Sensor is an engine management sensor designed to monitor vibrations caused by engine knock or detonation. It functions by altering ignition timing to prevent detonation. Reinforced and extra-strength components are utilized to reduce the chance of part failure, corrosion, and moisture penetration. The mounting threads match OE specifications for straightforward installation.

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 72945

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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