DENSO Platinum TT Spark Plug with Twin-Tip Design for Enhanced Ignition, 4504
In stock
$3.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 Toyota Highlander Spark Plugs
26 products listed as compatible with this vehicle by the retailer feed.
Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 3923
In stock
$4.49
Listed as compatible with this vehicle by the retailer feed.
Check price
Champion Copper Plus Spark Plug RC10YC4 - Dependable Performance & Durability, 346
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price
Champion Platinum Power Spark Plug RC10PYC - Powerful Performance & Longevity, 3346
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price
Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price
DENSO U-Groove Spark Plug: OE Performance, K20R-U11, 3139
In stock
$5.49
Listed as compatible with this vehicle by the retailer feed.
Check price
ACDelco Conventional Spark Plug, 41-602
In stock
$6.49
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK Standard Nickel Spark Plug (BKR6ES-11): Reliable OE Performance, 5553
In stock
$6.99
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance, 2756
In stock
$7.49
Listed as compatible with this vehicle by the retailer feed.
Check price
ACDelco RAPIDFIRE Spark Plug, 5
In stock
$7.99
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK G-Power Platinum Spark Plug (BKR6EGP): Enhanced Durability & Efficiency, 7092
In stock
$8.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Champion Double Platinum Power Spark Plug RC10PYPB4 - Enhanced Durability & Performance, 7546
In stock
$9.99
Listed as compatible with this vehicle by the retailer feed.
Check price
Bosch OE Fine Wire Double Iridium Spark Plug: High Performance & Longevity, 9603
In stock
$10.49
Listed as compatible with this vehicle by the retailer feed.
Check price
ACDelco Double Platinum Spark Plug, 41-801
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
Check price
Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP3923
In stock
$11.49
Listed as compatible with this vehicle by the retailer feed.
Check price
DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20R11, 3128
In stock
$12.99
Listed as compatible with this vehicle by the retailer feed.
Check price
DENSO Iridium Long-Life Spark Plug: OE Performance, SK20R11, 3297
In stock
$14.49
Listed as compatible with this vehicle by the retailer feed.
Check price
DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304
In stock
$14.49
Listed as compatible with this vehicle by the retailer feed.
Check price
DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT, 4702
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK Iridium IX Spark Plug (BKR6EIX-11): Enhanced Ignitability & Durability, 3764
In stock
$14.99
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK Laser Iridium Spark Plug (IFR6T11): Superior Performance & Durability, 4589
In stock
$17.99
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK Ruthenium HX Spark Plug (FR6AHX-S): High Ignitability & Durability, 94279
In stock
$18.49
Listed as compatible with this vehicle by the retailer feed.
Check price
NGK Laser Platinum Spark Plug (BKR6EP-11): High Ignitability & Longevity, 2978
In stock
$18.99
Listed as compatible with this vehicle by the retailer feed.
Check price
E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.56
In stock
$8.49
Listed as compatible with this vehicle by the retailer feed.
Check price
This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.