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Car Engine Parts Online

From air filters to fuel delivery, online engine parts are essential for automotive repairs, maintenance, and even performance upgrades. Whether you’re an experienced mechanic or automotive enthusiast working on your daily driver or restoring a classic, Sixity Auto has you covered. Dive into our catalog below to find the car engine parts you need to keep your vehicle running smoothly.

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  1. NGK Spark Plug
    6 pc NGK Ruthenium HX 95605 LTR7BHX Spark Plugs
    Special Price $62.12 Regular Price $88.99
    NGK / NTK
  2. NGK Laser Iridium
    6 pc NGK Laser Iridium 4462 IZFR6J Spark Plugs
    Rating:
    78%
    11  Reviews
    Special Price $73.32 Regular Price $104.99
    NGK / NTK
  3. NGK Laser Iridium
    6 pc NGK Laser Iridium 5887 IZFR5G Spark Plugs
    Rating:
    91%
    9  Reviews
    Special Price $74.82 Regular Price $106.99
    NGK / NTK
  4. NGK Spark Plug
    6 pc NGK Standard 93961 LKAR7C-9 Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $43.24 Regular Price $61.99
    NGK / NTK
  5. NGK Laser Iridium
    6 pc NGK Laser Iridium 7751 ILZKR7B11 Spark Plugs
    Rating:
    90%
    2  Reviews
    Special Price $74.00 Regular Price $105.99
    NGK / NTK
  6. NGK Spark Plugs
    6 pc NGK Laser Iridium Spark Plugs for 2008-2013 Infiniti G37 3.7L V6
    Special Price $107.84 Regular Price $153.99
    NGK / NTK
  7. DENSO Spark Plug
    6 pc DENSO Iridium Long Life 3491 FK20HBR8 Spark Plugs
    Rating:
    90%
    4  Reviews
    Special Price $102.91 Regular Price $146.99
    DENSO
  8. NGK Spark Plug
    6 pc NGK Laser Iridium 94201 SILZKGR8B8S Spark Plugs
    Special Price $95.31 Regular Price $135.99
    NGK / NTK
  9. Champion Spark Plug
    6 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Rating:
    100%
    4  Reviews
    Special Price $60.29 Regular Price $85.99
    Champion
  10. NGK Laser Iridium
    6 pc NGK Laser Iridium 9723 SILZKR7B11 Spark Plugs
    Rating:
    100%
    4  Reviews
    Special Price $65.96 Regular Price $93.99
    NGK / NTK
  11. NGK Spark Plug
    6 pc NGK Laser Iridium 95350 DILZKR7B11G Spark Plugs
    Rating:
    100%
    3  Reviews
    Special Price $91.63 Regular Price $130.99
    NGK / NTK
  12. NGK Spark Plug
    6 pc NGK Ruthenium HX 90495 LTR6BHX Spark Plugs
    Rating:
    80%
    1  Review
    Special Price $62.12 Regular Price $88.99
    NGK / NTK
  13. NGK Spark Plug
    6 pc NGK Laser Iridium Spark Plugs for 2016-2020 Infiniti Q50 3.0L V6
    Rating:
    100%
    1  Review
    Special Price $110.92 Regular Price $157.99
    NGK / NTK
  14. Champion Spark Plug
    6 pc Champion Iridium 9809 QC8WEP Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $61.76 Regular Price $87.99
    Champion
  15. NGK Ignition Coil
    6 pc NGK Ignition Coils for 2012-2017 Jeep Wrangler 3.6L V6
    Special Price $180.00 Regular Price $256.99
    NGK / NTK
  16. Autolite Spark Plug
    6 pc Autolite Copper Core 3116 Spark Plugs
    Special Price $24.48 Regular Price $34.99
    Autolite
    Out of stock
  17. NGK Standard
    6 pc NGK Standard 5881 BKR7EKU Spark Plugs
    Rating:
    100%
    4  Reviews
    Special Price $44.71 Regular Price $63.99
    NGK / NTK
  18. NGK Spark Plug
    6 pc NGK Laser Iridium 96008 DILKAR8K8G Spark Plugs
    Special Price $97.18 Regular Price $138.99
    NGK / NTK
  19. NGK Standard
    6 pc NGK Standard 6993 BKR6EKU Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $44.71 Regular Price $63.99
    NGK / NTK
  20. NGK Iridium IX
    6 pc NGK Iridium IX 4469 LFR5AIX-11 Spark Plugs
    Special Price $44.46 Regular Price $63.99
    NGK / NTK
  21. NGK Spark Plug
    6 pc NGK Laser Iridium 97506 SILZKBR8D8S Spark Plugs
    Special Price $95.31 Regular Price $135.99
    NGK / NTK
  22. NGK Spark Plug
    6 pc NGK Iridium IX Spark Plugs for 2011-2019 Ford F-150 3.5L V6
    Special Price $56.12 Regular Price $79.99
    NGK / NTK
  23. NGK Standard
    6 pc NGK Standard 3133 BPZ8HS-10 Spark Plugs
    Rating:
    100%
    3  Reviews
    Special Price $48.69 Regular Price $69.99
    NGK / NTK
  24. NGK Spark Plug
    6 pc NGK Standard 93226 KR9E-G Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $39.97 Regular Price $56.99
    NGK / NTK
  25. NGK Iridium IX
    6 pc NGK Iridium IX 2668 BKR8EIX Spark Plugs
    Rating:
    90%
    2  Reviews
    Special Price $44.46 Regular Price $63.99
    NGK / NTK
  26. NGK Laser Iridium
    6 pc NGK Laser Iridium 92924 DILZKR7A11G Spark Plugs
    Special Price $89.31 Regular Price $127.99
    NGK / NTK
  27. NGK Spark Plugs
    6 pc NGK Laser Iridium Spark Plugs for 2014-2015 Infiniti Q50 3.7L V6
    Rating:
    100%
    2  Reviews
    Special Price $107.84 Regular Price $153.99
    NGK / NTK
  28. NGK Iridium IX
    6 pc NGK Iridium IX 6619 LFR6AIX-11 Spark Plugs
    Rating:
    100%
    1  Review
    Special Price $44.46 Regular Price $63.99
    NGK / NTK
  29. NGK Spark Plug
    6 pc NGK Laser Iridium Spark Plugs for 2018-2021 Honda Odyssey 3.5L V6
    Special Price $104.90 Regular Price $149.99
    NGK / NTK
  30. NGK Laser Iridium
    6 pc NGK Laser Iridium Spark Plugs for 2011-2017 Honda Odyssey 3.5L V6
    Special Price $106.37 Regular Price $151.99
    NGK / NTK
  31. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2005-2019 Nissan Frontier 4.0L V6
    Rating:
    100%
    2  Reviews
    Special Price $55.22 Regular Price $78.99
    NGK / NTK
  32. DENSO Spark Plug
    6 pc DENSO Iridium Long Life 3473 FK20HBR11 Spark Plugs
    Special Price $101.63 Regular Price $144.99
    DENSO
  33. DENSO Direct Ignition Coil
    6 pc DENSO Direct Ignition Coils for 1999-2008 Acura TL 3.2L 3.5L V6
    Special Price $240.64 Regular Price $343.99
    DENSO
  34. NGK Laser Iridium
    6 pc NGK Laser Iridium Spark Plugs for 2006-2015 Lexus IS250 2.5L V6
    Rating:
    100%
    1  Review
    Special Price $111.67 Regular Price $159.99
    NGK / NTK
  35. NGK Spark Plug
    6 pc NGK Laser Iridium 92315 SILZKR7E11 Spark Plugs
    Special Price $69.27 Regular Price $98.99
    NGK / NTK
  36. NGK Iridium IX
    6 pc NGK Iridium IX Spark Plugs for 2003-2007 Infiniti G35 3.5L V6
    Rating:
    100%
    4  Reviews
    Special Price $55.22 Regular Price $78.99
    NGK / NTK
  37. NGK Laser Iridium
    6 pc NGK Laser Iridium 4095 IZFR6F11 Spark Plugs
    Rating:
    100%
    3  Reviews
    Special Price $74.66 Regular Price $106.99
    NGK / NTK
  38. NGK Laser Platinum
    6 pc NGK Laser Platinum 4363 PZFR5F-11 Spark Plugs
    Special Price $64.60 Regular Price $91.99
    NGK / NTK
  39. NGK Standard
    6 pc NGK Standard 1098 BR7HS-10 Spark Plugs
    Rating:
    100%
    1  Review
    Special Price $16.22 Regular Price $22.99
    NGK / NTK
  40. DENSO Spark Plug
    6 pc DENSO Iridium Power 5321 IK31 Spark Plugs
    Special Price $85.64 Regular Price $121.99
    DENSO
  41. NGK Laser Iridium
    6 pc NGK Laser Iridium 6994 IZFR6K11 Spark Plugs
    Special Price $67.80 Regular Price $96.99
    NGK / NTK
  42. NGK Spark Plug
    6 pc NGK Laser Iridium 90174 DF8H-11B Spark Plugs
    Special Price $92.51 Regular Price $131.99
    NGK / NTK
  43. NGK Laser Iridium
    6 pc NGK Laser Iridium 1406 DILKAR7B11 Spark Plugs
    Rating:
    100%
    2  Reviews
    Special Price $94.89 Regular Price $135.99
    NGK / NTK
  44. Champion Spark Plug
    6 pc Champion Copper Plus 938M QL78YC Spark Plugs
    Special Price $21.70 Regular Price $30.99
    Champion
  45. NGK V-Power
    6 pc NGK V-Power 3672 LFR6A-11 Spark Plugs
    Special Price $38.29 Regular Price $54.99
    NGK / NTK
  46. DENSO Spark Plug
    6 pc DENSO Iridium TT 4705 IKBH20TT Spark Plugs
    Special Price $72.28 Regular Price $102.99
    DENSO
  47. NGK Spark Plug
    6 pc NGK Ruthenium HX 96358 LKR7AHX-S Spark Plugs
    Special Price $62.12 Regular Price $88.99
    NGK / NTK
  48. Champion Spark Plug
    6 pc Champion Copper Plus 955M XC12PEPB Spark Plugs
    Rating:
    80%
    2  Reviews
    Special Price $41.77 Regular Price $59.99
    Champion
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High-Quality Engine Parts for Your Motor Vehicle

Sixity Auto works with top brands to build our inventory of OEM-quality engine parts online, ensuring you have access to reliable and cost-effective components. We promise that every part fits as advertised and meets or exceeds expectations. 

We want to make sure that whether you’re performing routine maintenance or making a major repair, you can find the best parts at a fair price. Our focus is always on delivering affordable solutions without compromising the strict tolerances for your vehicle’s longevity. 

Fast, Reliable Shipping

We know that when you order car engine parts, you need them right away. Our network of US warehouses enables us to offer fast, dependable shipping across the US, with 99% of orders shipping within one business day. Many of the items in our catalog also come with free shipping. 

A Reputation You Can Count On

Sixity Auto has been in business for over 20 years and has shipped over 10 million engine parts from our online storefront. Our customers praise our products and timely delivery. If you have any questions about us or our inventory, contact our US-based customer service department. We’re happy to be of service.

Frequently Asked Questions

How fast will your engine parts arrive?

Timing is a top priority. We use our extensive network of warehouses to ensure speedy delivery, with most orders shipping within one business day. That said, the exact delivery time will depend on the parts ordered, your location, and the delivery options selected during checkout.

Are the parts on Sixity Auto comparable to what I’d find in a store?

Absolutely! We stock only top-quality OEM-replacement auto parts that meet or exceed original equipment specifications. The crucial difference between Sixity Auto and the other guys is price. We offer these high-quality parts at prices typically lower than those at your local auto parts store.

Do you offer any discounts for the engine parts sold online?

Yes. We’re proud to offer a 10% discount on everything for military personnel. 

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free shipping on eligible items at sixityauto.com

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On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

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RAVE REVIEWS
5-Star Rated on Sitejabber

Don't take it from us - check out our feedback from our customers! Sixity Auto has partnered with Sitejabber, the industry leader in tracking customer loyalty and feedback, to bring genuine product and customer service reviews.

Plus read thousands of authentic reviews on Trustpilot, Google, Reseller Ratings, the Better Business Bureau, and more!

call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

tax exempt shopping available for businesses

BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.

© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.