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.

Select Your Vehicle

Filter By Part Details
View as Grid List

Items 1-48 of 448

Set Ascending Direction
  1. 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
  2. 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
  3. Wells WVE Idle Air Control Valve
    Wells WVE 4J1081 Idle Air Control Valve
    Special Price $44.17 Regular Price $62.99
  4. 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
  5. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2011-2016 Chevrolet Cruze 1.4L L4
    Special Price $38.04 Regular Price $53.99
  6. 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
  7. Wells WVE Idle Air Control Valve
    Wells WVE 4J1024 Idle Air Control Valve
    Special Price $64.13 Regular Price $91.99
  8. 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
  9. 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
  10. 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
  11. 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
  12. Rein Turbocharger Coolant Line
    Rein TCH0190 Turbo Coolant Line
    Special Price $21.68 Regular Price $30.99
  13. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1998-2004 Jeep TJ 2.5L 4.0L L4 L6
    Special Price $36.26 Regular Price $51.99
  14. Hitachi Idle Air Control Valve
    Hitachi Astemo ABV0034 Idle Air Control Valve
    Special Price $37.29 Regular Price $52.99
  15. Gates Turbocharger Coolant Line
    Gates Return Turbo Coolant Line for 2011-2016 Ford F-250 Super Duty 6.7L V8
    Special Price $38.19 Regular Price $54.99
  16. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2011-2016 Ford F-350 Super Duty 6.7L V8
    Special Price $39.76 Regular Price $56.99
  17. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1997-2004 Ford Expedition 5.4L V8
    Special Price $46.00 Regular Price $65.99
  18. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 1997-1999 Ford F-250 5.4L V8
    Special Price $46.00 Regular Price $65.99
  19. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 1995 Ford F-250 4.9L L6
    Special Price $52.89 Regular Price $75.99
    Out of stock
  20. Wells Idle Air Control Valve
    Wells WVE 4J1040 Idle Air Control Valve
    Special Price $54.78 Regular Price $77.99
  21. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2018 BMW 320i 2.0L L4
    Special Price $60.07 Regular Price $85.99
  22. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2015-2016 BMW 428i Gran Coupe 2.0L L4
    Special Price $60.07 Regular Price $85.99
  23. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2015-2018 BMW X4 2.0L L4
    Special Price $60.07 Regular Price $85.99
  24. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2015-2016 BMW 228i xDrive 2.0L L4
    Special Price $60.07 Regular Price $85.99
  25. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2016 BMW 528i 2.0L L4
    Special Price $60.07 Regular Price $85.99
  26. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2016-2018 BMW X5 2.0L L4
    Special Price $61.86 Regular Price $87.99
  27. Holstein Idle Air Control Valve
    Holstein Idle Air Control Valve for 2001-2002 Acura MDX 3.5L V6
    Special Price $62.80 Regular Price $89.99
  28. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 1991-1992 Ford Ranger 3.0L V6
    Special Price $63.29 Regular Price $89.99
  29. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2012-2015 Mercedes-Benz ML550 4.7L V8
    Special Price $66.10 Regular Price $93.99
  30. Hitachi Idle Air Control Valve
    Hitachi Astemo ABV0061 Idle Air Control Valve
    Special Price $66.77 Regular Price $94.99
  31. Wells Idle Air Control Valve
    Wells WVE Idle Air Control Valve for 2000-2002 Ford Escape Taurus 3.0L V6
    Special Price $67.20 Regular Price $95.99
  32. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 1997-2013 Ford Expedition 5.4L V8
    Special Price $67.56 Regular Price $96.99
  33. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 2010 Lincoln Mark LT 5.4L V8
    Special Price $67.56 Regular Price $96.99
  34. Hitachi Idle Air Control Valve
    Hitachi Astemo Idle Air Control Valve for 2000 Mercury Sable 3.0L V6
    Special Price $74.88 Regular Price $106.99
    Out of stock
  35. Hitachi Idle Air Control Valve
    Hitachi Astemo ABV0042 Idle Air Control Valve
    Special Price $86.13 Regular Price $122.99
  36. Rein Turbocharger Coolant Line
    Rein Return Turbo To Pipe Turbo Coolant Line for 2012-2015 Audi A6 2.0L L4
    Special Price $109.06 Regular Price $155.99
  37. Rein Turbocharger Coolant Line
    Rein CHE0139R Turbo Coolant Line
    Special Price $5.77 Regular Price $7.99
  38. SKF Idle Air Control Valve
    SKF 21759 Idle Air Control Valve
    Special Price $11.34 Regular Price $15.99
  39. Wells WVE Idle Air Control Valve
    Wells WVE 2H1037 Idle Air Control Valve
    Special Price $13.69 Regular Price $19.99
  40. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1997-2005 Audi A4 Quattro 1.8L L4
    Special Price $14.84 Regular Price $20.99
  41. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1998-2005 Volkswagen Passat 1.8L L4
    Special Price $15.15 Regular Price $21.99
  42. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1997-2006 Audi A4 1.8L L4
    Special Price $15.15 Regular Price $21.99
  43. Holstein Idle Air Control Valve
    Holstein 2IAC0021 Idle Air Control Valve
    Special Price $16.88 Regular Price $23.99
  44. Wells WVE Idle Air Control Valve
    Wells WVE 2H1091 Idle Air Control Valve
    Special Price $18.27 Regular Price $25.99
Page
per page

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.