2010 Toyota Highlander Spark Plug

Over time your spark plugs begin to wear down, leading to issues with your vehicle's performance. That's why changing your spark plugs is recommended every 20-40,000 miles or about 30,000 miles. Head to your local AutoZone today if you're experiencing rough idling, engine misfiring, or starting trouble. We have the best brands of copper, platinum, and iridium spark plugs for a 2010 Toyota Highlander at the right price, so you don't have to sacrifice quality for affordability. Order online today and have it shipped to your door, or get Free Same-Day pick up at your local store.
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1-24 of 47 Results

    1-24 of 47 Results

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      Bosch Iridium Spark Plug 9609 for 2010 Toyota Highlander
      • Part # 9609
      • SKU # 256745
        Notes: Original center electrode material is iridium. OEM fine wire double iridium. Do not gap, gap is preset. Quantity per car: 4.
        • Hex Size: 16 mm
        • Pre-Gap Size: 1mm
        • Metal Type: Iridium - Double
        • Center Electrode Tip Material: Iridium
        • Seat Type: Flat
        • Manufacturer Heat Range: 8
        • Ground Electrode Tip Design: Tapered
        • Reach: 26.5mm
        • Resistance: 6000Ohms
        • Ground Configuration: Standard
        • Thread Diameter: 14mm
        • Ground Electrode Quantity: 1
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        Bosch Iridium Spark Plug 9603 for 2010 Toyota Highlander
        • Part # 9603
        • SKU # 256738
          Notes: Original center electrode material is iridium. OEM fine wire double iridium. Do not gap, gap is preset. Quantity per car: 6.
          • Hex Size: 16 mm
          • Manufacturer Heat Range: 7
          • Pre-Gap Size: 1mm
          • Reach: 19mm
          • Metal Type: Iridium - Double
          • Center Electrode Tip Material: Iridium
          • Seat Type: Flat
          • Ground Electrode Tip Design: Tapered
          • Resistance: 6000Ohms
          • Ground Configuration: Standard
          • Thread Diameter: 14mm
          • Ground Electrode Quantity: 1
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          Autolite XP Iridium Spark Plug XP5325 for 2010 Toyota Highlander
          • Part # XP5325
          • SKU # 942338
            Notes: OE Style. Gap 0.044" 1.1 mm. Iridium XP. Quantity per car: 6.
            • Resistor Type: Yes
            • Hex Size: 16 mm
            • Electrical Terminal Type: Stud
            • Center Electrode Tip Material: Iridium
            • Seat Type: Flat
            • Pre-Gap Size: 1.1mm
            • Metal Type: Iridium
            • Ground Electrode Tip Design: Tapered
            • Reach: 26.5mm
            • Ground Configuration: Single
            • Thread Diameter: 14mm
            • Ground Electrode Tip Material: Platinum
            • Center Electrode Insulator Tip Projection: Mid Projection
            • Center Electrode Design: Fine Wire
            • Resistance: 4000Ohms
            • Center Electrode Core Material: Copper
            • Ground Electrode Core Material: Nickel
            • Ground Electrode Quantity: 1
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            Autolite XP Iridium Spark Plug XP3923 for 2010 Toyota Highlander
            • Part # XP3923
            • SKU # 896883
              Notes: OE Style. Gap 0.044" 1.1 mm. Iridium XP. Quantity per car: 6.
              • Resistor Type: Yes
              • Hex Size: 16 mm
              • Reach: 19.5mm
              • Electrical Terminal Type: Stud
              • Seat Type: Flat
              • Center Electrode Tip Material: Iridium
              • Metal Type: Iridium
              • Ground Electrode Tip Design: Tapered
              • Pre-Gap Size: 1.1mm
              • Ground Configuration: Single
              • Resistance: 4000Ohms
              • Thread Diameter: 14mm
              • Ground Electrode Tip Material: Platinum
              • Center Electrode Insulator Tip Projection: Mid Projection
              • Center Electrode Design: Fine Wire
              • Center Electrode Core Material: Copper
              • Ground Electrode Core Material: Nickel
              • Ground Electrode Quantity: 1
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              Autolite Iridium Ultra Spark Plug AI5325 for 2010 Toyota Highlander
              Notes: OE Style. Iridium ultra. Gap 0.044" 1.1 mm. Quantity per car: 4.
              • Hex Size: 16 mm
              • Resistor Type: Yes
              • Center Electrode Projection: Mid Projection
              • Ground Configuration: 1
              • Electrical Terminal Type: Stud
              • Manufacturer Heat Range: 27
              • Center Electrode Tip Material: Iridium
              • Seat Type: Flat
              • Metal Type: Iridium
              • Ground Electrode Tip Design: Tapered
              • Pre-Gap Size: 1.1mm
              • Reach: 26.5mm
              • Thread Diameter: 14.0mm
              • Resistance: 4000Ohms
              • Ground Electrode Tip Material: Platinum
              • Center Electrode Insulator Tip Projection: Mid Projection
              • Ground Electrode Core Material: Nickel
              • Ground Electrode Quantity: 1
              • Center Electrode Core Material: Copper
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              Autolite Iridium Ultra Spark Plug AI3923 for 2010 Toyota Highlander
              Notes: OE Style. Iridium ultra. Gap 0.044" 1.1 mm. Quantity per car: 6.
              • Resistor Type: Yes
              • Ground Configuration: 1
              • Manufacturer Heat Range: 22
              • Electrical Terminal Type: Stud
              • Center Electrode Core Material: Iridium
              • Reach: 0.75MM
              • Center Electrode Tip Material: Iridium
              • Metal Type: Iridium
              • Ground Electrode Tip Design: Tapered
              • Pre-Gap Size: 0.044in
              • Resistance: 4000Ohms
              • Hex Size: 5/8 in
              • Thread Diameter: 14IN
              • Ground Electrode Core Material: Nickel
              • Ground Electrode Quantity: 1
              • Seat Type: Tapered
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              NGK IX Iridium Spark Plug 3764 for 2010 Toyota Highlander
              • Part # 3764
              • SKU # 505324
                Notes: Gap 0.044". Iridium IX spark plug. Quantity per car: 6.
                • Insulator Height: 50.5mm
                • Resistor Type: Yes
                • Pre-Gap Size: 0.044IN
                • Reach: 0.75MM
                • Center Electrode Tip Material: Iridium
                • Resistance: 5000Ohms
                • Metal Type: Iridium
                • Ground Electrode Tip Design: Tapered
                • Seat Type: Gasket
                • Ground Configuration: Single
                • Manufacturer Heat Range: 6
                • Thread Diameter: 14.0mm
                • Center Electrode Core Material: Copper
                • Ground Electrode Core Material: Nickel
                • Electrical Terminal Type: Non-Removable Nut
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                NGK IX Iridium Spark Plug 4469 for 2010 Toyota Highlander
                • Part # 4469
                • SKU # 937722
                  Notes: Gap 0.044". Iridium IX spark plug. Quantity per car: 4.
                  • Insulator Height: 50.5mm
                  • Resistor Type: Yes
                  • Ground Electrode Core Material: Nickel Alloy
                  • Center Electrode Tip Material: Iridium
                  • Resistance: 5000Ohms
                  • Seat Type: Flat
                  • Metal Type: Iridium
                  • Ground Electrode Tip Design: Tapered
                  • Manufacturer Heat Range: 5
                  • Electrical Terminal Type: Non-Removable Nut
                  • Ground Configuration: Single
                  • Pre-Gap Size: 0.044in
                  • Reach: 1.04
                  • Thread Diameter: 14mm
                  • Center Electrode Core Material: Copper
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                  NGK IX Iridium Spark Plug 6619 for 2010 Toyota Highlander
                  • Part # 6619
                  • SKU # 937714
                    Notes: Gap 0.044". Iridium IX spark plug. Quantity per car: 6.
                    • Insulator Height: 50.5mm
                    • Resistor Type: Yes
                    • Ground Electrode Core Material: Nickel Alloy
                    • Center Electrode Tip Material: Iridium
                    • Resistance: 5000Ohms
                    • Seat Type: Flat
                    • Metal Type: Iridium
                    • Ground Electrode Tip Design: Tapered
                    • Electrical Terminal Type: Non-Removable Nut
                    • Ground Configuration: Single
                    • Pre-Gap Size: 0.044in
                    • Manufacturer Heat Range: 6
                    • Reach: 1.04
                    • Thread Diameter: 14mm
                    • Center Electrode Core Material: Copper
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                    NGK Ruthenium HX Spark Plug 94122 for 2010 Toyota Highlander
                    • Part # 94122
                    • SKU # 1009754
                      Notes: Gap 0.044". Ruthenium HX high ignitability spark plug. Quantity per car: 6.
                      • Center Electrode Core Material: Copper Core
                      • Insulator Height: 50.5mm
                      • Ground Electrode Core Material: Nickel Core
                      • Seat Type: Flat
                      • Resistance: 5000Ohms
                      • Pre-Gap Size: 0.044in
                      • Manufacturer Heat Range: 6
                      • Reach: 26.5mm
                      • Center Electrode Tip Material: Ruthenium
                      • Ground Configuration: Standard
                      • Hex Size: 5/8 in
                      • Thread Diameter: 14mm
                      • Metal Type: Ruthenium
                      • Ground Electrode Tip Design: DFE
                      • Ground Electrode Quantity: 1
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                      NGK Ruthenium HX Spark Plug 96355 for 2010 Toyota Highlander
                      • Part # 96355
                      • SKU # 1009734
                        Notes: Gap 0.044". Ruthenium HX high ignitability spark plug. Quantity per car: 4.
                        • Center Electrode Core Material: Copper Core
                        • Insulator Height: 50.5mm
                        • Ground Electrode Core Material: Nickel Core
                        • Seat Type: Flat
                        • Resistance: 5000Ohms
                        • Manufacturer Heat Range: 5
                        • Pre-Gap Size: 0.044in
                        • Reach: 26.5mm
                        • Center Electrode Tip Material: Ruthenium
                        • Ground Configuration: Standard
                        • Hex Size: 5/8 in
                        • Thread Diameter: 14mm
                        • Metal Type: Ruthenium
                        • Ground Electrode Tip Design: DFE
                        • Ground Electrode Quantity: 1
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                        NGK Ruthenium HX Spark Plug 94279 for 2010 Toyota Highlander
                        • Part # 94279
                        • SKU # 1009724
                          Notes: Gap 0.044". Ruthenium HX high ignitability spark plug. Quantity per car: 6.
                          • Center Electrode Core Material: Copper Core
                          • Insulator Height: 50.5mm
                          • Ground Electrode Core Material: Nickel Core
                          • Seat Type: Flat
                          • Resistance: 5000Ohms
                          • Pre-Gap Size: 0.044in
                          • Manufacturer Heat Range: 6
                          • Center Electrode Tip Material: Ruthenium
                          • Ground Configuration: Standard
                          • Hex Size: 5/8 in
                          • Thread Diameter: 14mm
                          • Metal Type: Ruthenium
                          • Ground Electrode Tip Design: DFE
                          • Ground Electrode Quantity: 1
                          • Reach: 0.75in
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                          NGK Laser Iridium Spark Plug 6176 for 2010 Toyota Highlander
                          • Part # 6176
                          • SKU # 940960
                            Notes: OEM equivalent design. Gap 0.044". 120,000 mile OEM Mfr recommended service interval. Laser Iridium high ignitability spark plug. OE spark plug is high ignitability. For optimal performance, replace with high ignitability spark plugs. Quantity per car: 6.
                            • Insulator Height: 50.5mm
                            • Resistor Type: Yes
                            • Pre-Gap Size: 0.044IN
                            • Reach: 1.04MM
                            • Center Electrode Tip Material: Iridium
                            • Resistance: 5000Ohms
                            • Seat Type: Gasket
                            • Metal Type: Iridium
                            • Thread Diameter: 14.0mm
                            • Ground Electrode Tip Design: Needle to Needle
                            • Ground Configuration: Single
                            • Manufacturer Heat Range: 6
                            • Center Electrode Core Material: Copper
                            • Ground Electrode Core Material: Nickel
                            • Electrical Terminal Type: Non-Removable Nut
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                            NGK Laser Iridium Spark Plug 4589 for 2010 Toyota Highlander
                            • Part # 4589
                            • SKU # 441327
                              Notes: OEM equivalent design. Gap 0.044". Laser Iridium spark plug. 120,000 mile OEM Mfr recommended service interval. Quantity per car: 6.
                              • Resistor Type: Yes
                              • Insulator Height: 50.5mm
                              • Reach: 0.75MM
                              • Center Electrode Tip Material: Iridium
                              • Resistance: 5000Ohms
                              • Metal Type: Iridium
                              • Pre-Gap Size: 1.1MM
                              • Seat Type: Gasket
                              • Ground Configuration: Single
                              • Manufacturer Heat Range: 6
                              • Thread Diameter: 14.0mm
                              • Center Electrode Core Material: Copper
                              • Ground Electrode Core Material: Nickel
                              • Electrical Terminal Type: Non-Removable Nut
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                              NGK Laser Iridium Spark Plug 96779 for 2010 Toyota Highlander
                              • Part # 96779
                              • SKU # 220833
                                Notes: OEM equivalent design. Gap 0.044". Laser Iridium spark plug. 120,000 mile OEM Mfr recommended service interval. Quantity per car: 4.
                                • Resistor Type: Yes
                                • Ground Electrode Core Material: Nickel Alloy
                                • Center Electrode Tip Material: Iridium
                                • Seat Type: Flat
                                • Metal Type: Iridium
                                • Manufacturer Heat Range: 5
                                • Ground Configuration: Single
                                • Pre-Gap Size: 0.044in
                                • Hex Size: 5/8 in
                                • Reach: 1.04
                                • Thread Diameter: 14mm
                                • Center Electrode Core Material: Copper
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                                Denso Iridium Spark Plug 3297 for 2010 Toyota Highlander
                                • Part # 3297
                                • SKU # 533127
                                  Notes: Gap 0.044". Iridium Long Life. DENSO is OEM manufacturer / iridium long life plug - patented iridium alloy plug (90% IR) with platinum ground strap. Quantity per car: 6.
                                  • Hex Size: 16.0
                                  • Reach: 19.0mm
                                  • Seat Type: Flat
                                  • Center Electrode Tip Material: Iridium
                                  • Metal Type: Iridium
                                  • Pre-Gap Size: 1.1mm
                                  • Resistance: 5000ohms
                                  • Ground Electrode Tip Design: Platinum Chip
                                  • Thread Diameter: 14.0mm
                                  • Ground Configuration: Standard
                                  • Manufacturer Heat Range: 20
                                  • Ground Electrode Core Material: Nickel
                                  • Center Electrode Core Material: Copper
                                  • Ground Electrode Quantity: 1
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                                  Denso Iridium Spark Plug 3426 for 2010 Toyota Highlander
                                  • Part # 3426
                                  • SKU # 533148
                                    Notes: Gap 0.044". DENSO is OEM manufacturer / iridium long life plug - patented iridium alloy plug (90% IR) with platinum ground strap. Iridium Long Life (SIP). Quantity per car: 6.
                                    • Resistor Type: Yes
                                    • Ground Electrode Core Material: Platinum
                                    • Center Electrode Tip Material: Iridium
                                    • Metal Type: Iridium
                                    • Seat Type: Gasket
                                    • Ground Electrode Tip Design: Needle to Needle
                                    • Ground Configuration: Single
                                    • Pre-Gap Size: 0.044in
                                    • Reach: 26.5mm
                                    • Thread Diameter: 14mm
                                    • Center Electrode Core Material: Copper
                                    • Manufacturer Heat Range: 20
                                    • Electrical Terminal Type: Non-Removable Nut
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                                    Denso Iridium Spark Plug 3417 for 2010 Toyota Highlander
                                    • Part # 3417
                                    • SKU # 533115
                                      Notes: Gap 0.044". Iridium Long Life. DENSO is OEM manufacturer / iridium long life plug - patented iridium alloy plug (90% IR) with platinum ground strap. Quantity per car: 4.
                                      • Resistor Type: Yes
                                      • Ground Electrode Core Material: Platinum
                                      • Center Electrode Tip Material: Iridium
                                      • Manufacturer Heat Range: 16
                                      • Seat Type: Gasket
                                      • Metal Type: Iridium
                                      • Reach: 26.5mm
                                      • Ground Configuration: Single
                                      • Pre-Gap Size: 0.044in
                                      • Thread Diameter: 14mm
                                      • Center Electrode Core Material: Copper
                                      • Electrical Terminal Type: Non-Removable Nut
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                                      Denso Iridium Spark Plug 5304 for 2010 Toyota Highlander
                                      • Part # 5304
                                      • SKU # 348027
                                        Notes: Gap 0.044". Iridium Power - performance upgrade with world's smallest center electrode (0.4 mm diameter) and tapered tip patented U groove design and patented IR alloy (90% IR). Iridium Power. Quantity per car: 6.
                                        • Resistor: Yes
                                        • Insulator Type: Non-Projected
                                        • Package Quantity: 1
                                        • Seat Style: Gasket
                                        • Short Style: No
                                        • Manufacturer Heat Range Number: 20
                                        • Insulator Material: Ceramic
                                        • Center Electrode Tip Material: 0.4mm Iridium
                                        • Drive Size: 5/8 in
                                        • Thread Size: 14mm
                                        • Ground Electrode Tip Material: Taper Cut Nickel Alloy
                                        • Center Electrode Core Material: Copper
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                                        Denso TT Iridium Spark Plug 4702 for 2010 Toyota Highlander
                                        • Part # 4702
                                        • SKU # 181873
                                          Notes: Gap 0.040". Iridium TT - ultimate endurance and power, 0.4 mm Iridium and 0.7 mm Platinum Twin-Tip technology. Iridium TT. Quantity per car: 6.
                                          • Pre-Gap Size: 0.04in
                                          • Seat Type: Flat
                                          • Metal Type: Iridium
                                          • Manufacturer Heat Range: 20
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                                          Denso TT Iridium Spark Plug 4703 for 2010 Toyota Highlander
                                          • Part # 4703
                                          • SKU # 181876
                                            Notes: Gap 0.040". Iridium TT - ultimate endurance and power, 0.4 mm Iridium and 0.7 mm Platinum Twin-Tip technology. Iridium TT. Quantity per car: 4.
                                            • Pre-Gap Size: 0.04in
                                            • Resistor Type: Yes
                                            • Manufacturer Heat Range: 16
                                            • Ground Electrode Tip Design: Twin Tip
                                            • Center Electrode Tip Material: Iridium
                                            • Metal Type: Iridium
                                            • Seat Type: Gasket
                                            • Reach: 26.5mm
                                            • Thread Diameter: 14mm
                                            • Ground Electrode Tip Material: Platinum
                                            • Ground Electrode Core Material: Nickel
                                            • Center Electrode Core Material: Copper
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                                            Denso TT Iridium Spark Plug 4704 for 2010 Toyota Highlander
                                            • Part # 4704
                                            • SKU # 181863
                                              Notes: Gap 0.040". Iridium TT - ultimate endurance and power, 0.4 mm Iridium and 0.7 mm Platinum Twin-Tip technology. Iridium TT. Quantity per car: 6.
                                              • Resistor Type: Yes
                                              • Pre-Gap Size: 0.04IN
                                              • Ground Electrode Core Material: Platinum
                                              • Center Electrode Tip Material: Iridium
                                              • Ground Electrode Tip Design: Twin Tip
                                              • Metal Type: Iridium
                                              • Seat Type: Gasket
                                              • Ground Configuration: Single
                                              • Center Electrode Core Material: Copper
                                              • Manufacturer Heat Range: 20
                                              • Electrical Terminal Type: Non-Removable Nut
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                                              Bosch Double Platinum Spark Plug 8101 for 2010 Toyota Highlander
                                              Notes: Original center electrode material is iridium. OEM fine wire double platinum. Do not gap, gap is preset. Quantity per car: 6.
                                              • Hex Size: 16 mm
                                              • Manufacturer Heat Range: 7
                                              • Pre-Gap Size: 1mm
                                              • Reach: 19mm
                                              • Seat Type: Flat
                                              • Center Electrode Tip Material: Platinum
                                              • Metal Type: Platinum - Double
                                              • Resistance: 6000Ohms
                                              • Ground Configuration: Standard
                                              • Thread Diameter: 14mm
                                              • Ground Electrode Tip Design: Standard
                                              • Ground Electrode Quantity: 1
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                                              Bosch Double Platinum Spark Plug 8110 for 2010 Toyota Highlander
                                              Notes: Original center electrode material is iridium. OEM fine wire double platinum. Do not gap, gap is preset. Quantity per car: 4.
                                              • Hex Size: 16 mm
                                              • Pre-Gap Size: 1mm
                                              • Seat Type: Flat
                                              • Manufacturer Heat Range: 8
                                              • Center Electrode Tip Material: Platinum
                                              • Reach: 26.5mm
                                              • Metal Type: Platinum - Double
                                              • Resistance: 6000Ohms
                                              • Ground Configuration: Standard
                                              • Thread Diameter: 14mm
                                              • Ground Electrode Tip Design: Standard
                                              • Ground Electrode Quantity: 1