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 303

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  1. Beck/Arnley Engine Valve Cover
    Beck/Arnley 036-0046 Valve Cover
    Special Price $119.26 Regular Price $169.99
    Out of stock
  2. Rein Engine Valve Cover
    Rein Valve Cover for 2014-2016 BMW 428i xDrive 2.0L L4
    Special Price $283.48 Regular Price $404.99
  3. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 1999-2002 Chevrolet Camaro 5.7L V8
    Special Price $115.33 Regular Price $164.99
  4. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2004-2007 Cadillac CTS 5.7L 6.0L V8
    Special Price $117.69 Regular Price $167.99
  5. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2004-2012 Cadillac CTS 2.8L 3.0L 3.6L V6
    Special Price $175.37 Regular Price $250.99
  6. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2004-2010 Ford F-150 4.6L 5.4L V8
    Special Price $220.95 Regular Price $315.99
  7. Walker Exhaust Elbow
    Walker 41818 Exhaust Elbow
    Special Price $9.07 Regular Price $12.99
  8. Walker Exhaust Elbow
    Walker 41816 Exhaust Elbow
    Special Price $10.37 Regular Price $14.99
  9. Walker Exhaust Elbow
    Walker 41437 Exhaust Elbow
    Special Price $22.91 Regular Price $32.99
  10. Walker Exhaust Elbow
    Walker 42760 Exhaust Elbow
    Special Price $24.02 Regular Price $33.99
    Out of stock
  11. Dorman Engine Valve Cover
    Dorman 264-969 Engine Valve Cover
    Special Price $78.50 Regular Price $111.99
  12. Dorman Engine Valve Cover
    Dorman 264-985 Engine Valve Cover
    Special Price $96.84 Regular Price $137.99
    Out of stock
  13. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2014 GMC Yukon XL 1500 5.3L 6.0L 6.2L V8
    Special Price $97.67 Regular Price $139.99
  14. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2018 Chevrolet Cheyenne 5.3L 6.2L V8
    Special Price $97.67 Regular Price $139.99
  15. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 GMC Sierra 2500 HD 6.0L V8
    Special Price $97.67 Regular Price $139.99
  16. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 Chevrolet Silverado 3500 HD 6.0L V8
    Special Price $99.67 Regular Price $141.99
  17. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2019 GMC Savana 2500 4.8L 6.0L V8
    Special Price $99.67 Regular Price $141.99
  18. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 Cadillac Escalade ESV 6.2L V8
    Special Price $99.67 Regular Price $141.99
  19. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2014 GMC Savana 1500 5.3L V8
    Special Price $99.67 Regular Price $141.99
  20. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2015-2017 GMC Yukon XL 5.3L 6.2L V8
    Special Price $99.67 Regular Price $141.99
  21. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2007-2013 Chevrolet Cheyenne 5.3L V8
    Special Price $104.92 Regular Price $149.99
  22. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2009-2014 GMC Savana 1500 5.3L V8
    Special Price $104.92 Regular Price $149.99
  23. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2009-2012 Chevrolet Colorado 5.3L V8
    Special Price $104.92 Regular Price $149.99
  24. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2009-2014 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Special Price $107.06 Regular Price $152.99
  25. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2009-2019 GMC Savana 2500 4.8L 6.0L V8
    Special Price $107.06 Regular Price $152.99
  26. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2009-2012 GMC Canyon 5.3L V8
    Special Price $107.06 Regular Price $152.99
  27. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2000-2008 Chevrolet Tahoe 4.8L 5.3L 6.0L V8
    Special Price $115.33 Regular Price $164.99
  28. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2001-2006 GMC Sierra 1500 HD 6.0L V8
    Special Price $115.33 Regular Price $164.99
  29. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2000-2008 GMC Yukon XL 2500 6.0L V8
    Special Price $115.33 Regular Price $164.99
  30. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2004-2005 Workhorse FasTrack FT1601 4.8L V8
    Special Price $117.69 Regular Price $167.99
  31. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 1999-2002 Pontiac Firebird 5.7L V8
    Special Price $117.69 Regular Price $167.99
  32. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2005-2008 GMC Envoy 5.3L V8
    Special Price $117.69 Regular Price $167.99
  33. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 1999-2004 GMC Sierra 2500 5.3L 6.0L V8
    Special Price $117.69 Regular Price $167.99
  34. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2002-2006 Chevrolet Avalanche 1500 5.3L V8
    Special Price $117.69 Regular Price $167.99
  35. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2003-2006 Chevrolet Trailblazer EXT 5.3L V8
    Special Price $117.69 Regular Price $167.99
  36. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2010-2016 Chevrolet Camaro 3.6L V6
    Special Price $175.37 Regular Price $250.99
  37. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2012-2013 Chevrolet Impala 3.6L V6
    Special Price $175.37 Regular Price $250.99
  38. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2008-2009 Pontiac G8 3.6L V6
    Special Price $175.37 Regular Price $250.99
  39. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 GMC Acadia 3.6L V6
    Special Price $177.23 Regular Price $252.99
  40. Dorman Engine Valve Cover
    Dorman 264-988 Engine Valve Cover
    Special Price $178.86 Regular Price $255.99
    Out of stock
  41. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2007-2019 GMC Acadia 3.6L V6
    Special Price $178.95 Regular Price $255.99
  42. Dorman Engine Valve Cover
    Dorman Right Valve Cover for 2007-2009 Pontiac G6 3.6L V6
    Special Price $178.95 Regular Price $255.99
  43. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2014-2016 Chevrolet Impala Limited 3.6L V6
    Special Price $180.85 Regular Price $257.99
  44. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2010-2017 GMC Terrain 3.0L 3.6L V6
    Special Price $180.85 Regular Price $257.99
  45. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2010-2012 Chevrolet Camaro 3.6L V6
    Special Price $180.85 Regular Price $257.99
  46. Dorman Engine Valve Cover
    Dorman 264-909 Engine Valve Cover
    Special Price $183.97 Regular Price $262.99
  47. Dorman Engine Valve Cover
    Dorman Right Engine Valve Cover for 2005-2010 Ford Mustang 4.6L V8
    Special Price $195.97 Regular Price $279.99
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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.