ToyotaHighlander2003
  1. Toyota Highlander
  2. Parts
  3. spark plugs
  4. 2003

2003 Toyota Highlander spark plugs

Catalog listings with year/make/model fitment rows. A listing is not OEM confirmation.

Catalog year/make/model rows for 2003 Toyota Highlander.

ACDelco

Conventional Spark Plug, 41-602

MPN: 41-602

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ACDelco

Double Platinum Spark Plug, 41-801

MPN: 41-801

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ACDelco

RAPIDFIRE Spark Plug, 5

MPN: 5

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Autolite

Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923

MPN: 3923

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Autolite

Double Platinum Spark Plug: Enhanced Durability & Performance, APP3923

MPN: APP3923

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Autolite

Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923

MPN: AP3923

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Fitment comes from `affiliate_feed_product_fitment` year/model rows (SparkPlugs-style YMM). Do not treat a title match as guaranteed compatibility.