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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Items 1-48 of 2331

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  1. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2002-2006 Acura RSX 2.0L L4
    Special Price $10.96 Regular Price $15.99
  2. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1997-2003 Acura CL 3.0L 3.2L V6
    Special Price $64.09 Regular Price $91.99
  3. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 1999-2004 Ford F-250 Super Duty 5.4L V8
    Special Price $76.06 Regular Price $108.99
  4. Wells WVE Idle Air Control Valve
    Wells WVE 4J1081 Idle Air Control Valve
    Special Price $44.17 Regular Price $62.99
  5. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2002-2012 Jeep Liberty 3.7L V6
    Special Price $14.15 Regular Price $19.99
  6. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2002-2010 Dodge Ram 1500 3.7L 5.7L V6 V8
    Special Price $10.96 Regular Price $15.99
  7. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2007-2008 GMC Acadia
    Special Price $11.18 Regular Price $15.99
  8. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2005-2017 Honda Odyssey 3.5L V6
    Special Price $11.18 Regular Price $15.99
  9. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2008-2012 Chevrolet Malibu
    Special Price $11.71 Regular Price $16.99
  10. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2003-2013 Chevrolet Express 3500
    Special Price $24.22 Regular Price $34.99
  11. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Upper and Lower Fuel Injector O-Ring Kit for 2008-2016 Ford Taurus 3.5L V6
    Special Price $28.90 Regular Price $40.99
    Out of stock
  12. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1998-2001 Jeep Cherokee 2.5L 4.0L L4 L6
    Special Price $36.26 Regular Price $51.99
  13. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 1995-1996 Ford Ranger 3.0L V6
    Special Price $39.24 Regular Price $55.99
  14. Wells WVE Idle Air Control Valve
    Wells WVE 4J1024 Idle Air Control Valve
    Special Price $64.13 Regular Price $91.99
  15. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 2005-2006 Mazda MPV 3.0L V6
    Special Price $80.28 Regular Price $114.99
  16. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 2001-2002 Nissan Pathfinder 3.5L V6
    Special Price $121.86 Regular Price $173.99
  17. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 2003-2004 Lincoln Town Car 4.6L V8
    Special Price $58.43 Regular Price $82.99
    Out of stock
  18. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1998-2004 Jeep Grand Cherokee 4.0L L6
    Special Price $36.26 Regular Price $51.99
  19. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro ES 70600 Fuel Injector O-Ring Kit
    Special Price $5.27 Regular Price $7.99
  20. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1994-2003 Dodge Ram 2500 8.0L V10
    Special Price $10.96 Regular Price $15.99
  21. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2003-2007 Honda Accord 2.4L L4
    Special Price $10.96 Regular Price $15.99
  22. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2001-2012 Hyundai Santa Fe 2.7L 3.5L V6
    Special Price $10.96 Regular Price $15.99
  23. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1987-2003 Pontiac Bonneville 3.8L V6
    Special Price $10.96 Regular Price $15.99
  24. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2005-2013 Nissan Frontier
    Special Price $10.96 Regular Price $15.99
  25. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2014-2020 Ram ProMaster 2500 3.6L V6
    Special Price $10.96 Regular Price $15.99
  26. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2001-2012 Hyundai Santa Fe 2.4L L4
    Special Price $10.96 Regular Price $15.99
  27. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2002-2009 Chevrolet Trailblazer
    Special Price $10.96 Regular Price $15.99
  28. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2008-2017 Honda Accord 2.0L 2.4L L4
    Special Price $10.96 Regular Price $15.99
  29. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2003-2007 Saturn Ion
    Special Price $10.96 Regular Price $15.99
  30. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Lower Fuel Injector O-Ring Kit for 2005-2010 Ford Mustang 4.6L V8
    Special Price $10.96 Regular Price $15.99
  31. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2009-2014 Acura TSX 2.4L L4
    Special Price $10.96 Regular Price $15.99
  32. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1987-1997 Ford F-350 4.9L 5.8L 7.5L L6 V8
    Special Price $10.96 Regular Price $15.99
  33. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2002-2010 Saturn Vue
    Special Price $10.96 Regular Price $15.99
  34. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1992-1993 Dodge Ramcharger 5.2L 5.9L V8
    Special Price $10.96 Regular Price $15.99
  35. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1996-1999 GMC C2500 Suburban 7.4L V8
    Special Price $10.96 Regular Price $15.99
  36. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2001-2003 Isuzu Rodeo Sport
    Special Price $10.96 Regular Price $15.99
  37. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2004-2014 Acura TL 3.2L 3.5L V6
    Special Price $10.96 Regular Price $15.99
  38. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1998-1999 Oldsmobile Intrigue 3.8L V6
    Special Price $10.96 Regular Price $15.99
  39. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Upper Fuel Injector O-Ring Kit for 2009-2016 Nissan Versa 1.6L L4
    Special Price $10.96 Regular Price $15.99
  40. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 1990-2011 Ford Ranger 4.0L V6
    Special Price $11.18 Regular Price $15.99
  41. Fel-Pro Fuel Injector O-Ring Kit
    Fel-Pro Fuel Injector O-Ring Kit for 2001-2003 Saturn LW200 2.2L L4
    Special Price $11.18 Regular Price $15.99
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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.