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Knock Sensor

2 genuine used OEM parts for Knock Sensor in stock — each removed from a real vehicle, photographed as the exact item you receive, and fitment-checked. Free 30-day returns · fast quote by phone or message.

2 parts
2017-2021 MAZDA CX-5 CX-9 Ignition Knock Detonation Sensor P31E18921 OEM ⚡ In stock
2017-2021 MAZDA CX-5 CX-9 Ignition Knock Detonation Sensor P31E18921 OEM ⚡
Mazda CX-5 2018
$37.43
Price excludes shipping — request a quote
2020 - 2023 Mazda 3 6 CX-30 CX-5 CX-50 CX-9 2.5L Engine Motor Knock Sensor In stock
2020 - 2023 Mazda 3 6 CX-30 CX-5 CX-50 CX-9 2.5L Engine Motor Knock Sensor
$27.56
Price excludes shipping — request a quote