2021 Toyota Highlander Spark Plug Parts
9 parts fit your 2021 Toyota Highlander
Skp
Iridium Spark Plug, Copper Core with Iridium Tip SKP 103-SP1030Part #: SP1030
Fits 2021 Toyota Highlander
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Bosch
Bosch OE Fine Wire Double Iridium Spark Plug Bosch 284-FR7NI33Part #: FR7NI33
Fits 2021 Toyota Highlander
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Bosch
Bosch OE Fine Wire Double Iridium Spark Plug Bosch 284-96353Part #: 96353
Fits 2021 Toyota Highlander
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Denso
Spark Plug Denso 735-4705Part #: 4705
Fits 2021 Toyota Highlander
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Bosch
Bosch Double Iridium Pin-to-Pin Bosch 284-FR7NII35SPart #: FR7NII35S
Fits 2021 Toyota Highlander
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Ngk
NGK H. I. Spark Plug NGK 481-91657Part #: 91657
Fits 2021 Toyota Highlander
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Ngk
NGK Laser Iridium High Ignitability Spark Plug NGK 481-96210Part #: 96210
Fits 2021 Toyota Highlander
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Denso
Spark Plug Denso 735-3524Part #: 3524
Fits 2021 Toyota Highlander
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Denso
Spark Plug Denso 735-3491Part #: 3491
Fits 2021 Toyota Highlander
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Spark Plug on the 2021 Toyota Highlander: what to know
What it does. On the 2021 Toyota Highlander, this component delivers the spark that ignites the air-fuel mixture in the cylinder.
Symptoms that point to it
- Misfire codes
- Rough idle
- Hard starting
- Loss of power under load
Fitment. All 9 parts listed here are matched to the 2021 Toyota Highlander in the AutoParts.com fitment catalog. Engine, sub-model and trim can narrow fitment further, so check those attributes on a part before ordering.
Price range. $4.99 to $90.99, supplied by AutoParts.com and subject to change.
Brands available. Skp, Bosch, Denso, Ngk.
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