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02 · IG Ignition and tune-up · Subaru Ascent

Subaru Ascent spark plugs

for 2020–2024 model years · what changes the fit

01 About the part

Fire the air and fuel mix in each cylinder. Most modern engines use iridium or platinum plugs with long service intervals. All about spark plugs →

02 What changes the fit

  1. The Ascent debuted at the LA Auto Show on November 28, 2017 and became available in the third quarter of 2018, so every model year on this page is that generation. source
  2. 1 spark-ignition engine across 2020–2024: 2.4L 4-cyl turbo (gasoline, 2020–2024). EPA fuel economy records
  3. Plug count, gap, and heat range come from the engine maker. Check your owner's manual or enter your VIN; don't go by cylinder count alone.
  4. EPA rates 2 Ascent versions separately for these years: Ascent Limited/Touring, Ascent Limited/Touring/Onyx.

Engines, 2020–2024

EngineCylindersFuelYearsSource
2.4L 4-cyl turbo4gasoline2020–2024EPA

NHTSA recalls · ignition

NHTSA lists no ignition recalls for the 2020–2024 Subaru Ascent as of 2026-11-09. NHTSA recalls

03 Cross-reference

Coming soon

Interchange numbers for Subaru Ascent spark plugs show here once we have a source we can cite. Until then, enter your VIN in the factory parts catalog to get the original-equipment number, and compare that number across stores.

04 Questions

Which Subaru Ascent engines does this cover?

2020–2024: 2.4L 4-cyl turbo, as listed in EPA records.

Any Subaru Ascent recalls for ignition?

None for 2020–2024 in NHTSA's records, checked 2026-11-09.

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Guides: Ignition and tune-up · Subaru and other makes: official parts catalogs · Find the right part

Facts on this page: engines from fueleconomy.gov (U.S. DOE and EPA); recalls from NHTSA, checked 2026-11-09. Prices come only from the retailers and the live eBay listings.