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 207

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  1. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2004-2009 Mazda 3 2.3L L4
    Special Price $111.41 Regular Price $158.99
    Out of stock
  2. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2010-2017 Audi S5 3.0L V6
    Special Price $74.52 Regular Price $105.99
  3. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2001 Mercedes-Benz S55 AMG 5.5L V8
    Special Price $186.52 Regular Price $265.99
  4. Walker Exhaust Elbow
    Walker 41098 Exhaust Elbow
    Special Price $20.50 Regular Price $28.99
  5. Walker Exhaust Elbow
    Walker 42760 Exhaust Elbow
    Special Price $24.02 Regular Price $33.99
    Out of stock
  6. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2004-2012 Audi A3 Quattro 2.0L L4
    Special Price $73.03 Regular Price $103.99
  7. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2010-2014 Audi A4 Quattro 2.0L 3.0L 3.2L L4 V6
    Special Price $74.52 Regular Price $105.99
  8. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2013-2017 Audi Q3 1.4L 2.0L L4
    Special Price $74.52 Regular Price $105.99
  9. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2009-2016 Audi A4 2.0L L4
    Special Price $74.52 Regular Price $105.99
  10. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2010-2015 Audi S4 3.0L V6
    Special Price $74.52 Regular Price $105.99
  11. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 1995-1997 Mercedes-Benz E420 4.2L V8
    Special Price $186.52 Regular Price $265.99
  12. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2003-2004 Mercedes-Benz G55 AMG 5.5L V8
    Special Price $186.52 Regular Price $265.99
  13. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2001 Mercedes-Benz CL55 AMG 5.5L V8
    Special Price $186.52 Regular Price $265.99
  14. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 1998-2002 Mercedes-Benz E430 4.3L V8
    Special Price $186.52 Regular Price $265.99
  15. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2001-2004 Mercedes-Benz SLK320 3.2L V6
    Special Price $186.52 Regular Price $265.99
  16. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 1995-1999 Mercedes-Benz S320 3.2L L6
    Special Price $190.33 Regular Price $271.99
  17. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2001-2002 Mercedes-Benz CLK55 AMG 5.5L V8
    Special Price $190.33 Regular Price $271.99
  18. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 1999-2002 Mercedes-Benz E55 AMG 5.5L V8
    Special Price $190.33 Regular Price $271.99
  19. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 1995-2001 Mercedes-Benz S600 5.8L 6.0L V12
    Special Price $190.33 Regular Price $271.99
  20. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2004-2017 Nissan Quest 3.5L V6
    Special Price $222.31 Regular Price $317.99
  21. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2002-2017 Nissan Altima 3.5L V6
    Special Price $222.31 Regular Price $317.99
  22. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2012-2017 Nissan NV3500 4.0L V6
    Special Price $222.31 Regular Price $317.99
  23. Dorman Engine Intake Manifold Runner Control Valve
    Dorman 911-406 Intake Manifold Runner Control Valve
    Special Price $298.92 Regular Price $426.99
  24. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2009-2010 Dodge Journey 3.5L V6
    Special Price $334.59 Regular Price $477.99
  25. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2007 Chrysler 300 2.7L 3.5L V6
    Special Price $334.59 Regular Price $477.99
  26. Walker Exhaust Elbow
    Walker 41001 Exhaust Elbow
    Special Price $8.43 Regular Price $11.99
    Out of stock
  27. Walker Exhaust Elbow
    Walker 41733 Exhaust Elbow
    Special Price $8.91 Regular Price $12.99
  28. Walker Exhaust Elbow
    Walker 41818 Exhaust Elbow
    Special Price $9.07 Regular Price $12.99
  29. Walker Exhaust Elbow
    Walker 41816 Exhaust Elbow
    Special Price $10.37 Regular Price $14.99
  30. Walker Exhaust Elbow
    Walker 41000 Exhaust Elbow
    Special Price $11.10 Regular Price $15.99
    Out of stock
  31. Walker Exhaust Elbow
    Walker 41002 Exhaust Elbow
    Special Price $22.62 Regular Price $31.99
    Out of stock
  32. Walker Exhaust Elbow
    Walker 41437 Exhaust Elbow
    Special Price $22.91 Regular Price $32.99
  33. Walker Exhaust Elbow
    Walker 41365 Exhaust Elbow
    Special Price $26.66 Regular Price $37.99
    Out of stock
  34. Walker Exhaust Elbow
    Walker 41685 Exhaust Elbow
    Special Price $27.99 Regular Price $39.99
    Out of stock
  35. Walker Exhaust Elbow
    Walker 41686 Exhaust Elbow
    Special Price $41.50 Regular Price $58.99
    Out of stock
  36. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    Holstein 2VTS0211 Variable Timing Adjuster Magnet
    Special Price $41.84 Regular Price $59.99
    Out of stock
  37. Walker Exhaust Elbow
    Walker 41769 Exhaust Elbow
    Special Price $52.22 Regular Price $74.99
    Out of stock
  38. Dorman Engine Intake Manifold Runner Control Valve
    Dorman 911-909 Intake Manifold Runner Control Valve
    Special Price $54.15 Regular Price $76.99
  39. Walker Exhaust Elbow
    Walker 41532 Exhaust Elbow
    Special Price $58.05 Regular Price $82.99
    Out of stock
  40. Hitachi Fuel Pump
    Hitachi Astemo FUP3058 Fuel Pump
    Special Price $58.28 Regular Price $82.99
  41. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2012 Mazda 5
    Special Price $65.43 Regular Price $92.99
  42. Dorman Engine Intake Manifold Runner Control Valve
    Dorman Intake Manifold Runner Control Valve for 2006-2013 Mazda 6 2.5L L4
    Special Price $66.77 Regular Price $94.99
  43. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2010-2013 BMW X5 4.4L V8
    Special Price $73.03 Regular Price $103.99
  44. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2007-2012 BMW 120i 2.0L L4
    Special Price $73.03 Regular Price $103.99
  45. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2011-2015 Audi A1 1.4L L4
    Special Price $73.03 Regular Price $103.99
  46. Hitachi Fuel Pump
    Hitachi Astemo Fuel Pump for 2013 Audi A4 allroad 2.0L L4
    Special Price $73.03 Regular Price $103.99
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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.