BOSCH 8121
BOSCH part number 8121 is a spark plug in the Ignition system. This catalog matches it to 28 year-and-engine configurations from 1990 to 2024.
Verified fitment includes 2024 Nissan Versa 1.6L L4 ; 2021 Mazda CX-3 2.0L L4 ; 2020 Nissan Versa 1.6L L4 ; 2019 Mazda CX-3 2.0L L4 ; 2019 Nissan Frontier 2.5L L4 , plus 23 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is BOSCH 8121?
BOSCH part number 8121 is a spark plug with published application data for 28 vehicle configurations from 1990 to 2024. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does BOSCH 8121 fit?
This catalog matches 8121 to 28 year-and-engine configurations from 1990 to 2024. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is BOSCH 8121 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. BOSCH 8121 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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