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Spark Plugs for Toyota 4Runner

The Toyota 4Runner is a rugged and reliable vehicle, so it's important to keep its engine running smoothly with high-quality spark plugs. Upgrade the performance of your Toyota 4Runner with top-tier spark plugs from NGK, Bosch, and DENSO. Designed for durability and efficiency, these spark plugs ensure your 4Runner delivers smooth starts and optimal engine power. Trust these premium brands to keep your Toyota running at its best.

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  1. NGK Laser Iridium
    6 pc NGK Laser Iridium Spark Plugs for 2003-2013 Toyota 4Runner 4.0L V6
    Special Price $65.09 Regular Price $92.99
    NGK / NTK
  2. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1996-2002 Toyota 4Runner 3.4L V6
    Special Price $55.08 Regular Price $78.99
    NGK / NTK
  3. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2013-2020 Toyota 4Runner 4.0L V6
    Special Price $56.35 Regular Price $80.99
    NGK / NTK
  4. NGK Laser Iridium
    6 pc NGK Laser Iridium Spark Plugs for 2013-2020 Toyota 4Runner 4.0L V6
    Special Price $74.79 Regular Price $106.99
    NGK / NTK
  5. DENSO Spark Plug
    6 pc DENSO Double Platinum Spark Plugs for 1996-2002 Toyota 4Runner 3.4L V6
    Special Price $67.91 Regular Price $96.99
    DENSO
  6. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 1989-1995 Toyota 4Runner 3.0L V6
    Rating:
    100%
    1  Review
    Special Price $56.21 Regular Price $79.99
    NGK / NTK
  7. Fel-Pro Spark Plug Tube Seal Set
    Fel-Pro Valve Cover Spark Plug Tube Seal Set for 1996-2019 Toyota 4Runner 3.4L 4.0L V6
    Special Price $28.36 Regular Price $40.99
    Fel-Pro
  8. NGK Laser Iridium
    8 pc NGK Laser Iridium Spark Plugs for 2003-2009 Toyota 4Runner 4.7L V8
    Rating:
    100%
    4  Reviews
    Special Price $79.50 Regular Price $113.99
    NGK / NTK
  9. Champion Spark Plug
    4 pc Champion Copper Plus Spark Plugs for 2000 Toyota 4Runner 2.7L L4
    Special Price $19.53 Regular Price $27.99
    Champion
  10. DENSO Spark Plug
    6 pc DENSO Standard Spark Plugs for 1996-2002 Toyota 4Runner 3.4L V6
    Special Price $43.21 Regular Price $61.99
    DENSO
  11. DENSO Spark Plug
    6 pc DENSO Iridium Power Spark Plugs for 2014-2017 Toyota 4Runner 4.0L V6
    Special Price $61.62 Regular Price $87.99
    DENSO
  12. DENSO Spark Plug
    6 pc DENSO Iridium Long Life Spark Plugs for 2003-2013 Toyota 4Runner 4.0L V6
    Special Price $68.79 Regular Price $97.99
    DENSO
  13. Champion Spark Plug
    6 pc Champion Copper Plus Spark Plugs for 2003-2013 Toyota 4Runner 4.0L V6
    Special Price $25.69 Regular Price $36.99
    Champion
  14. DENSO Spark Plug
    4 pc DENSO Iridium Long Life Spark Plugs for 2010 Toyota 4Runner 2.7L L4
    Special Price $47.40 Regular Price $67.99
    DENSO
  15. E3 Spark Plug
    8 pc E3 Spark Plugs for 2003-2009 Toyota 4Runner 4.7L V8
    Special Price $58.24 Regular Price $82.99
    E3 Spark Plugs
  16. NGK Spark Plug
    6 pc NGK Ruthenium HX Spark Plugs for 1997-2002 Toyota 4Runner 3.4L V6
    Special Price $75.14 Regular Price $106.99
    NGK / NTK
  17. NGK Spark Plug
    6 pc NGK Ruthenium HX Spark Plugs for 2013-2020 Toyota 4Runner 4.0L V6
    Special Price $76.82 Regular Price $109.99
    NGK / NTK
  18. DENSO Spark Plug
    6 pc DENSO Iridium Long Life Spark Plugs for 2014-2017 Toyota 4Runner 4.0L V6
    Special Price $79.73 Regular Price $113.99
    DENSO
  19. DENSO Spark Plug
    4 pc DENSO Standard U-Groove Spark Plugs for 2000 Toyota 4Runner 2.7L L4
    Special Price $19.20 Regular Price $26.99
    DENSO
  20. NGK V-Power
    6 pc NGK V-Power Spark Plugs for 1989-1995 Toyota 4Runner 3.0L V6
    Special Price $24.55 Regular Price $34.99
    NGK / NTK
  21. Champion Copper Plus Spark Plug
    6 pc Champion Copper Plus Spark Plugs for 1988-1995 Toyota 4Runner 3.0L V6
    Special Price $23.40 Regular Price $32.99
    Champion
  22. Bosch Spark Plug
    6 pc Bosch Platinum Spark Plugs for 2014-2022 Toyota 4Runner 4.0L V6
    Special Price $35.37 Regular Price $50.99
    Bosch
  23. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2003-2013 Toyota 4Runner 4.0L V6
    Rating:
    100%
    1  Review
    Special Price $56.35 Regular Price $80.99
    NGK / NTK
  24. DENSO Spark Plug
    6 pc DENSO Iridium TT Spark Plugs for 2003-2013 Toyota 4Runner 4.0L V6
    Special Price $66.81 Regular Price $94.99
    DENSO
  25. NGK Spark Plug
    8 pc NGK Ruthenium HX Spark Plugs for 2003-2009 Toyota 4Runner 4.7L V8
    Special Price $99.72 Regular Price $141.99
    NGK / NTK
  26. DENSO Spark Plug
    4 pc DENSO Standard U-Groove Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $18.07 Regular Price $25.99
    DENSO
  27. NGK V-Power
    4 pc NGK V-Power Spark Plugs for 1996-2000 Toyota 4Runner 2.7L L4
    Rating:
    100%
    1  Review
    Special Price $18.49 Regular Price $25.99
    NGK / NTK
  28. Champion Copper Plus Spark Plug
    4 pc Champion Copper Plus Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $18.71 Regular Price $26.99
    Champion
  29. DENSO Spark Plug
    4 pc DENSO Standard U-Groove Spark Plugs for 1996-1999 Toyota 4Runner 2.7L L4
    Special Price $18.81 Regular Price $26.99
    DENSO
  30. NGK Standard
    4 pc NGK Standard Spark Plugs for 1996-2000 Toyota 4Runner 2.7L L4
    Special Price $18.84 Regular Price $26.99
    NGK / NTK
  31. NGK V-Power
    4 pc NGK V-Power Spark Plugs for 2000 Toyota 4Runner 2.7L L4
    Special Price $18.87 Regular Price $26.99
    NGK / NTK
  32. Bosch Spark Plug
    4 pc Bosch Nickel Copper Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $18.97 Regular Price $26.99
    Bosch
    Out of stock
  33. NGK Standard
    4 pc NGK Standard Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $19.02 Regular Price $26.99
    NGK / NTK
  34. NGK V-Power
    4 pc NGK V-Power Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $19.06 Regular Price $26.99
    NGK / NTK
  35. Champion Spark Plug
    4 pc Champion Copper Plus Spark Plugs for 1996-2000 Toyota 4Runner 2.7L L4
    Special Price $19.81 Regular Price $27.99
    Champion
  36. Autolite Copper Core Spark Plug
    4 pc Autolite Copper Core Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $19.88 Regular Price $27.99
    Autolite
    Out of stock
  37. Champion Spark Plug
    4 pc Champion Copper Plus Spark Plugs for 2010 Toyota 4Runner 2.7L L4
    Special Price $19.98 Regular Price $28.99
    Champion
  38. Autolite Copper Core Spark Plug
    4 pc Autolite Copper Core Spark Plugs for 1996-2000 Toyota 4Runner 2.7L L4
    Special Price $21.21 Regular Price $29.99
    Autolite
    Out of stock
  39. Bosch Spark Plug
    6 pc Bosch Nickel Copper Spark Plugs for 1988 Toyota 4Runner 3.0L V6
    Special Price $21.23 Regular Price $29.99
    Bosch
  40. NGK Standard
    4 pc NGK Standard Spark Plugs for 2000 Toyota 4Runner 2.7L L4
    Special Price $21.31 Regular Price $29.99
    NGK / NTK
  41. Autolite Platinum Spark Plug
    4 pc Autolite Platinum Spark Plug for 1996-2000 Toyota 4Runner 2.7L L4
    Special Price $22.57 Regular Price $31.99
    Autolite
    Out of stock
  42. Autolite Platinum Spark Plug
    4 pc Autolite Platinum Spark Plug for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $22.89 Regular Price $32.99
    Autolite
    Out of stock
  43. Autolite Platinum Spark Plug
    4 pc Autolite Platinum Spark Plug for 2010 Toyota 4Runner 2.7L L4
    Special Price $23.14 Regular Price $32.99
    Autolite
    Out of stock
  44. Autolite Copper Core Spark Plug
    4 pc Autolite Copper Core Spark Plugs for 2010 Toyota 4Runner 2.7L L4
    Special Price $24.01 Regular Price $33.99
    Autolite
    Out of stock
  45. Champion Platinum Spark Plug
    4 pc Champion Platinum Spark Plugs for 1984-1995 Toyota 4Runner 2.4L L4
    Special Price $24.44 Regular Price $34.99
    Champion
  46. NGK V-Power
    6 pc NGK V-Power Spark Plugs for 1988 Toyota 4Runner 3.0L V6
    Special Price $24.46 Regular Price $34.99
    NGK / NTK
  47. NGK Standard
    6 pc NGK Standard Spark Plugs for 1988 Toyota 4Runner 3.0L V6
    Special Price $24.57 Regular Price $34.99
    NGK / NTK
  48. NGK G-Power
    4 pc NGK G-Power Spark Plugs for 1996-2000 Toyota 4Runner 2.7L L4
    Special Price $24.67 Regular Price $34.99
    NGK / NTK
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The Sixity Auto Advantage

Finding the right car spark plugs can seem complicated, but our goal is to make it simple. We combine a massive selection of parts from trusted brands with the expert, US-based support you need to make the right choice. With fast shipping and a 100% fitment guarantee, we provide a hassle-free shopping experience that has earned the trust of over a million customers.

Platinum, Iridium, and More

Choosing the right material is key to your engine’s performance and longevity. We carry a massive selection of aftermarket spark plugs in every type, from long-lasting iridium to dependable copper plugs for classic vehicles. Whatever your engine needs, we have the right plug to match its specific requirements, ensuring optimal spark and efficiency.

Expert Support When You Need It

Not sure which plug is right for your vehicle? Our friendly, US-based customer support team is here to help. With deep knowledge of our full catalog, they can guide you to the perfect car spark plugs for your specific make and model. We are committed to helping you buy with confidence and getting your installation done right the first time.

Frequently Asked Questions

Got a question about our automotive spark plugs? Here are a few things people often ask. For anything else, our main FAQ page has you covered.

How do I find the right spark plugs for my car?

Your best bet is our vehicle selector tool. Just plug in your car’s info, and we’ll show you exactly which plugs are guaranteed to work.

Are your aftermarket spark plugs as good as the originals?

Definitely. We only carry parts that are as good or better than the ones that came in your car, but without those dealership prices.

How often should I replace car spark plugs?

That really depends on the type. A standard copper plug is usually good for about 20,000 miles, while a high-end iridium one can last 100,000. Your owner’s manual will have the exact schedule for your engine.

Spark Plug Features

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes - 6X harder than platinum
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