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. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1991-2011 Ford Ranger 3.0L 4.0L V6
    Special Price $38.58 Regular Price $54.99
  2. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo HPP0018 Direct Injection Fuel Pump
    Special Price $385.08 Regular Price $549.99
    Out of stock
  3. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo Left Direct Injection Fuel Pump for 2008-2012 Audi S5 4.2L V8
    Rating:
    100%
    Special Price $386.63 Regular Price $551.99
    Out of stock
  4. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 2000-2005 Ford Excursion 5.4L 6.8L V10 V8
    Special Price $33.39 Regular Price $47.99
  5. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo Right Direct Injection Fuel Pump for 2009-2011 Audi A6 Quattro 4.2L V8
    Special Price $410.51 Regular Price $585.99
    Out of stock
  6. Carter Direct Injection High Pressure Fuel Pump
    Carter Direct Injection High Pressure Fuel Pump for 2010-2019 Ford Taurus 3.5L V6
    Special Price $495.61 Regular Price $707.99
  7. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1997-2001 Honda CR-V 2.0L L4
    Special Price $26.78 Regular Price $37.99
  8. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1994-1998 Toyota T100 2.7L L4
    Special Price $26.78 Regular Price $37.99
  9. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1998-2003 Toyota Sienna 3.0L V6
    Special Price $26.78 Regular Price $37.99
  10. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1980-1999 Toyota Tercel 1.5L L4
    Special Price $26.78 Regular Price $37.99
  11. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1989-1991 Sterling 827 2.7L V6
    Special Price $26.78 Regular Price $37.99
  12. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1995-2004 Toyota Tacoma 3.4L V6
    Special Price $26.78 Regular Price $37.99
  13. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1988-2006 Toyota Camry 2.5L 3.0L V6
    Special Price $27.33 Regular Price $38.99
  14. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1996-1997 Lexus LX450 4.5L L6
    Special Price $27.33 Regular Price $38.99
  15. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1991-2002 Infiniti G20 2.0L L4
    Special Price $27.33 Regular Price $38.99
  16. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 2000-2009 Toyota Tundra 3.4L 4.7L V6 V8
    Special Price $27.33 Regular Price $38.99
  17. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8
    Special Price $37.81 Regular Price $53.99
  18. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 2003-2008 Isuzu Ascender 4.2L 5.3L L6 V8
    Special Price $37.81 Regular Price $53.99
  19. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 1994-2008 Mazda B3000 3.0L V6
    Special Price $38.58 Regular Price $54.99
  20. Fel-Pro Exhaust Flange Stud and Nut
    Fel-Pro Exhaust Flange Stud & Nut for 2001-2016 GMC Savana 3500 4.8L 6.0L 8.1L V8
    Special Price $38.58 Regular Price $54.99
  21. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    2 pc Holstein Variable Timing Adjuster Magnets for 2013-2015 BMW 320i xDrive 2.0L L4
    Special Price $100.60 Regular Price $143.99
    Out of stock
  22. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo HPP0028 Direct Injection Fuel Pump
    Special Price $360.34 Regular Price $514.99
  23. Delphi Direct Injection High Pressure Fuel Pump
    Delphi Direct Injection High Pressure Fuel Pump for 2018 Buick Enclave 3.6L V6
    Special Price $385.40 Regular Price $550.99
  24. Carter Direct Injection High Pressure Fuel Pump
    Carter Direct Injection High Pressure Fuel Pump for 2010-2017 GMC Terrain 2.4L L4
    Special Price $423.32 Regular Price $604.99
  25. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo HPP0011 Direct Injection Fuel Pump
    Special Price $478.37 Regular Price $682.99
  26. Carter Direct Injection High Pressure Fuel Pump
    Carter Direct Injection High Pressure Fuel Pump for 2010-2019 Ford Flex 3.5L V6
    Special Price $495.61 Regular Price $707.99
  27. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo Direct Injection Fuel Pump for 2007-2012 Seat Leon 2.0L L4
    Special Price $505.35 Regular Price $721.99
  28. Hitachi Direct Injection High Pressure Fuel Pump
    Hitachi Astemo Direct Injection Fuel Pump for 2005-2008 Audi A6 Quattro 3.2L V6
    Special Price $513.88 Regular Price $733.99
  29. Delphi Direct Injection High Pressure Fuel Pump
    Delphi Direct Injection Fuel Pump for 2014 Hyundai Elantra Coupe 2.0L L4
    Special Price $588.70 Regular Price $840.99
  30. Delphi Direct Injection High Pressure Fuel Pump
    Delphi Direct Injection Fuel Pump for 2013-2014 Hyundai Santa Fe Sport 2.0L 2.4L L4
    Special Price $681.68 Regular Price $973.99
  31. Delphi Direct Injection High Pressure Fuel Pump
    Delphi Direct Injection Fuel Pump for 2011-2013 Kia Sportage 2.0L L4
    Special Price $695.60 Regular Price $993.99
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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.