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 1187

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  1. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2001-2006 Chevrolet Silverado 1500 HD 6.0L V8
    Special Price $168.90 Regular Price $240.99
  2. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2001-2016 Chevrolet Silverado 2500 HD 6.0L V8
    Special Price $172.35 Regular Price $245.99
  3. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2011 Ford Crown Victoria
    Special Price $180.18 Regular Price $256.99
  4. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003-2017 Chevrolet Silverado 2500 HD 6.0L V8
    Special Price $224.00 Regular Price $319.99
  5. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4
    Special Price $320.07 Regular Price $456.99
  6. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1992-1999 Chevrolet Cavalier 2.2L 2.4L 3.1L L4 V6
    Special Price $17.46 Regular Price $24.99
    Out of stock
  7. Airtex Fuel Tank Lock Ring
    Airtex Fuel Tank Lock Ring for 1996-1997 Chevrolet C3500 5.7L 6.5L 7.4L V8
    Special Price $19.53 Regular Price $27.99
    Out of stock
  8. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004 Ford F-150 Heritage 4.2L 4.6L V6 V8
    Special Price $21.00 Regular Price $29.99
  9. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-1999 Ford F-250 4.6L 5.4L V8
    Special Price $21.00 Regular Price $29.99
  10. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1991-1996 Buick Park Avenue 3.8L V6
    Special Price $21.12 Regular Price $29.99
  11. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2012-2017 Chevrolet Sonic 1.4L 1.8L L4
    Special Price $23.69 Regular Price $33.99
    Out of stock
  12. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2013-2018 Cadillac ATS
    Special Price $26.84 Regular Price $37.99
  13. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2006-2011 Cadillac DTS
    Special Price $26.84 Regular Price $37.99
  14. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2017 GMC Sierra 2500 HD
    Special Price $27.39 Regular Price $38.99
  15. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2013 Chevrolet Suburban 2500
    Special Price $27.39 Regular Price $38.99
  16. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2004 Chevrolet S10 2.2L 4.3L L4 V6
    Special Price $53.53 Regular Price $75.99
  17. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2010-2014 Ford F-150 6.2L V8
    Special Price $131.95 Regular Price $187.99
  18. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 1988 Chevrolet Nova 1.6L L4
    Special Price $134.41 Regular Price $191.99
  19. Dorman Exhaust Manifold
    Dorman 674-225 Exhaust Manifold
    Special Price $138.74 Regular Price $197.99
  20. Dorman Exhaust Manifold
    Dorman 674-598 Exhaust Manifold
    Special Price $143.67 Regular Price $204.99
  21. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003 Chevrolet Express 3500 6.0L V8
    Special Price $150.32 Regular Price $214.99
  22. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1988-1995 Chevrolet K2500 5.0L 5.7L V8
    Special Price $161.80 Regular Price $230.99
  23. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1992-1994 Chevrolet Blazer 5.7L V8
    Special Price $161.80 Regular Price $230.99
  24. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2007 Chrysler Aspen 4.7L V8
    Special Price $167.31 Regular Price $238.99
  25. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2002-2007 Dodge Ram 1500 4.7L V8
    Special Price $167.31 Regular Price $238.99
  26. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2009 Hummer H2 6.0L 6.2L V8
    Special Price $168.90 Regular Price $240.99
  27. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2001-2006 GMC Sierra 3500 6.0L V8
    Special Price $168.90 Regular Price $240.99
  28. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 1997-2002 Jeep TJ 2.5L L4
    Special Price $169.05 Regular Price $241.99
  29. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2001-2006 GMC Sierra 1500 HD 6.0L V8
    Special Price $172.35 Regular Price $245.99
  30. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1999-2004 GMC Sierra 2500 5.3L 6.0L V8
    Special Price $172.35 Regular Price $245.99
  31. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2002-2014 Cadillac Escalade 5.3L 6.0L 6.2L V8
    Special Price $172.35 Regular Price $245.99
  32. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2004 Ford Grand Marquis 4.6L V8
    Special Price $176.58 Regular Price $251.99
  33. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2009 Dodge Ram 3500 5.7L V8
    Special Price $185.67 Regular Price $264.99
  34. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2011-2012 Ram 3500 5.7L V8
    Special Price $185.67 Regular Price $264.99
  35. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2009-2010 Dodge Ram 1500 5.7L V8
    Special Price $189.46 Regular Price $270.99
  36. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2005-2014 Ford Expedition 5.4L V8
    Special Price $193.51 Regular Price $275.99
  37. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2005-2014 Lincoln Navigator 5.4L V8
    Special Price $193.51 Regular Price $275.99
  38. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2007-2011 Jeep Wrangler
    Special Price $198.46 Regular Price $283.99
  39. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1975-1978 Mercury Marquis 5.8L 6.6L V8
    Special Price $214.08 Regular Price $305.99
  40. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003-2015 Chevrolet Silverado 3500 6.0L V8
    Special Price $224.00 Regular Price $319.99
  41. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2002-2013 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Special Price $228.58 Regular Price $326.99
  42. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2011-2018 Ram 3500 5.7L V8
    Special Price $230.70 Regular Price $329.99
  43. Dorman Exhaust Manifold
    Dorman 674-472 Exhaust Manifold
    Special Price $250.28 Regular Price $357.99
  44. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2004-2005 Ford E-350 Club Wagon 6.0L V8
    Special Price $264.49 Regular Price $377.99
  45. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 1997-1999 Jeep TJ 4.0L L6
    Special Price $327.78 Regular Price $467.99
  46. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2003-2008 Toyota Matrix 1.8L L4
    Special Price $380.16 Regular Price $542.99
  47. Delphi Sparta Fuel Tank Lock Ring
    Delphi Sparta PN9003 Fuel Tank Lock Ring
    Special Price $5.81 Regular Price $7.99
  48. Carter Fuel Tank Lock Ring
    Carter TLR12 Fuel Tank Lock Ring
    Special Price $6.01 Regular Price $8.99
    Out of stock
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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.