Ignition Knock (Detonation) Sensor

Part Number: FS7N18921A
Supersession(s): FS7N-18-921A;

Knock. Sensor. KNO. Ignition (Detonation).
Ignition Knock (Detonation) Sensor.

Fits Protege, Protege 5

Protege; 2.0L.
Knock Sensor - Repair or Replace
A failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your 2001 Mazda Millenia to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.

Your Price

$ 185.67
All Discounts: $ 43.60 (19% off)
MSRP: $ 229.27

Fulfillment Options

Jim Ellis Mazda Parts

1715 Cobb Parkway South, Marietta, GA, 30060

Dealer Rating: 4.8/5
1705 Reviews

1715 Cobb Parkway South, Marietta, GA, 30060

Policies & Information

Accepted Payments
Visa MasterCard Discover PayPal