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
    8 pc NGK Standard 93961 LKAR7C-9 Spark Plugs
    Rating:
    100%
    Special Price $57.38 Regular Price $81.99
  2. NGK Iridium IX
    16 pc NGK Iridium IX Spark Plugs for 2011-2021 Ram 1500 5.7L V8
    Rating:
    98%
    Special Price $138.26 Regular Price $197.99
  3. Autolite Spark Plug
    Autolite Racing AR3910X Spark Plug
    Special Price $5.96 Regular Price $8.99
    Out of stock
  4. NGK Spark Plug
    NGK Laser Iridium 92145 LZFR5CI-11 Spark Plug
    Rating:
    100%
    Special Price $8.88 Regular Price $12.99
  5. NGK Laser Iridium
    6 pc NGK Laser Iridium 4462 IZFR6J Spark Plugs
    Rating:
    76%
    Special Price $74.84 Regular Price $106.99
  6. NGK Spark Plug
    6 pc NGK Ruthenium HX 95605 LTR7BHX Spark Plugs
    Special Price $63.48 Regular Price $90.99
  7. NGK Iridium IX
    8 pc NGK Iridium IX 6510 LTR7IX-11 Spark Plugs
    Rating:
    73%
    Special Price $60.19 Regular Price $85.99
  8. NGK Spark Plug
    4 pc NGK Laser Iridium 95112 ILZKAR8H8S Spark Plugs
    Rating:
    100%
    Special Price $49.70 Regular Price $70.99
  9. NGK Spark Plug
    NGK Laser Iridium 97506 SILZKBR8D8S Spark Plug
    Special Price $17.29 Regular Price $24.99
  10. Autolite Spark Plug
    4 pc Autolite Racing AR3910X Spark Plugs
    Special Price $20.74 Regular Price $29.99
    Out of stock
  11. Gates Engine Oil Filler Cap
    Gates 31098 Oil Filler Cap
    Special Price $8.52 Regular Price $11.99
  12. NGK Iridium IX
    4 pc NGK Iridium IX 3521 CR9EIX Spark Plugs
    Rating:
    93%
    Special Price $29.92 Regular Price $42.99
  13. NGK Laser Iridium
    6 pc NGK Laser Iridium 5887 IZFR5G Spark Plugs
    Rating:
    90%
    Special Price $74.84 Regular Price $106.99
  14. DENSO Direct Ignition Coil
    Denso 673-1309 Direct Ignition Coil
    Special Price $78.78 Regular Price $112.99
  15. NGK Spark Plug
    NGK Standard 93961 LKAR7C-9 Spark Plug
    Rating:
    100%
    Special Price $7.93 Regular Price $10.99
  16. DENSO Spark Plug
    6 pc DENSO Iridium Long Life 3491 FK20HBR8 Spark Plugs
    Rating:
    87%
    Special Price $102.91 Regular Price $146.99
  17. NGK Spark Plugs
    6 pc NGK Laser Iridium Spark Plugs for 2008-2013 Infiniti G37 3.7L V6
    Special Price $112.16 Regular Price $159.99
  18. NGK Spark Plug
    8 pc NGK V-Power Racing 7317 R5724-8 Spark Plugs
    Rating:
    100%
    Special Price $22.87 Regular Price $32.99
  19. Champion Spark Plug
    6 pc Champion Iridium 9005 QC10WEP Spark Plugs
    Rating:
    100%
    Special Price $55.81 Regular Price $79.99
  20. NGK Standard
    10 pc NGK Standard 3365 CMR6H Spark Plugs
    Special Price $39.79 Regular Price $56.99
  21. NGK Iridium IX
    8 pc NGK Iridium IX 6509 LTR6IX-11 Spark Plugs
    Rating:
    100%
    Special Price $60.19 Regular Price $85.99
  22. NGK Spark Plug
    6 pc NGK Laser Iridium 95350 DILZKR7B11G Spark Plugs
    Rating:
    100%
    Special Price $91.71 Regular Price $130.99
  23. NGK Spark Plug
    6 pc NGK Laser Iridium Spark Plugs for 2016-2020 Infiniti Q50 3.0L V6
    Rating:
    100%
    Special Price $113.17 Regular Price $161.99
  24. Gates Fuel Tank Cap
    Gates 31832 Gas Cap
    Special Price $5.93 Regular Price $7.99
  25. NGK Spark Plug
    6 pc NGK Standard 93961 LKAR7C-9 Spark Plugs
    Rating:
    100%
    Special Price $43.25 Regular Price $61.99
  26. NGK Laser Iridium
    6 pc NGK Laser Iridium 7751 ILZKR7B11 Spark Plugs
    Rating:
    90%
    Special Price $74.04 Regular Price $105.99
  27. NGK Spark Plug
    4 pc NGK Laser Iridium 92217 DILKAR7B8 Spark Plugs
    Rating:
    100%
    Special Price $61.27 Regular Price $87.99
  28. Champion Spark Plug
    10 pc Champion Copper Plus 71 RC12YC Spark Plugs
    Special Price $21.56 Regular Price $30.99
  29. NGK Iridium IX
    16 pc NGK Iridium IX Spark Plugs for 2009-2020 Dodge Charger 5.7L V8
    Rating:
    100%
    Special Price $141.09 Regular Price $201.99
  30. AISIN Engine Timing Belt Kit with Water Pump
    AISIN TKH-002 Timing Belt Kit with Water Pump
    Rating:
    100%
    Special Price $243.49 Regular Price $347.99
  31. NGK Spark Plug
    4 pc NGK Laser Iridium 90288 DILKAR7M8 Spark Plugs
    Rating:
    100%
    Special Price $66.22 Regular Price $94.99
  32. DENSO Spark Plug
    DENSO Iridium Long Life 3491 FK20HBR8 Spark Plug
    Special Price $17.88 Regular Price $25.99
  33. NGK Standard
    10 pc NGK Standard 7131 BPR6ES Spark Plugs
    Rating:
    100%
    Special Price $25.91 Regular Price $36.99
  34. NGK Laser Iridium
    NGK Laser Iridium 4212 ILFR6G-E Spark Plug
    Rating:
    90%
    Special Price $12.52 Regular Price $17.99
  35. NGK Standard
    10 pc NGK Standard 6703 BPMR7A SOLID Spark Plugs
    Special Price $24.73 Regular Price $34.99
  36. NGK Ignition Coil
    8 pc NGK Ignition Coils for 2011-2019 Ram 1500 5.7L V8
    Rating:
    80%
    Special Price $290.47 Regular Price $414.99
  37. NGK Iridium IX
    8 pc NGK Iridium IX 4469 LFR5AIX-11 Spark Plugs
    Special Price $58.98 Regular Price $83.99
  38. NGK Spark Plug
    6 pc NGK Laser Iridium 94201 SILZKGR8B8S Spark Plugs
    Special Price $97.31 Regular Price $138.99
  39. NGK Spark Plug
    8 pc NGK V-Power Racing 4091 R5671A-7 Spark Plugs
    Rating:
    100%
    Special Price $46.37 Regular Price $65.99
  40. NGK Spark Plug
    8 pc NGK V-Power Racing 4554 R5671A-8 Spark Plugs
    Rating:
    87%
    Special Price $46.37 Regular Price $65.99
  41. NGK Laser Iridium
    NGK Laser Iridium 5899 IZFR5J Spark Plug
    Special Price $13.58 Regular Price $18.99
  42. NGK Spark Plug
    8 pc NGK V-Power Racing 5238 R5671A-9 Spark Plugs
    Rating:
    90%
    Special Price $46.37 Regular Price $65.99
  43. NGK Standard
    10 pc NGK Standard 6578 BPR4ES SOLID Spark Plugs
    Special Price $25.26 Regular Price $35.99
  44. Purolator Fuel Filter
    Purolator Fuel Filter for 1999-2007 Ford F-150
    Special Price $4.07 Regular Price $5.99
  45. NGK Laser Iridium
    4 pc NGK Laser Iridium 6289 CR9EIA-9 Spark Plugs
    Special Price $33.82 Regular Price $47.99
  46. NGK Laser Iridium
    4 pc NGK Laser Iridium 93026 DILKAR8A8 Spark Plugs
    Rating:
    100%
    Special Price $62.25 Regular Price $88.99
  47. Purolator Fuel Filter
    Purolator Fuel Filter for 1999-2006 Chevrolet Silverado 1500
    Special Price $3.80 Regular Price $4.99
  48. NGK Spark Plug
    8 pc NGK Standard 4008 BPR6ES SOLID Spark Plugs
    Rating:
    100%
    Special Price $20.80 Regular Price $29.99
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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


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