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 717

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  1. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003-2014 Ford E-150 5.4L V8
    Special Price $117.46 Regular Price $167.99
  2. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1996-2000 Mercury Grand Marquis 4.6L V8
    Special Price $360.35 Regular Price $514.99
  3. Dorman Exhaust Manifold
    Dorman 674-206 Exhaust Manifold
    Special Price $95.56 Regular Price $136.99
  4. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2000-2002 Chevrolet Suburban 2500 6.0L V8
    Special Price $147.31 Regular Price $209.99
  5. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2000-2001 Chevrolet Tahoe 4.8L 5.3L V8
    Special Price $147.31 Regular Price $209.99
  6. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003 GMC Savana 2500 6.0L V8
    Special Price $150.32 Regular Price $214.99
  7. Dorman Exhaust Manifold
    Dorman 674-904 Exhaust Manifold
    Special Price $152.52 Regular Price $217.99
  8. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1998-1999 Chevrolet Lumina 3.8L V6
    Special Price $154.06 Regular Price $219.99
  9. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2009-2010 Pontiac G6 2.4L L4
    Special Price $157.35 Regular Price $224.99
  10. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2008-2014 Chevrolet Malibu 2.4L L4
    Special Price $157.35 Regular Price $224.99
  11. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1988-1995 Chevrolet C1500 5.0L 5.7L V8
    Special Price $165.11 Regular Price $235.99
  12. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2002-2007 Dodge Ram 1500 4.7L V8
    Special Price $167.31 Regular Price $238.99
  13. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1999-2013 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Special Price $168.90 Regular Price $240.99
  14. 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
  15. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1999-2004 Ford Mustang 3.8L 3.9L V6
    Special Price $178.29 Regular Price $254.99
  16. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1999-2004 Nissan Frontier 3.3L V6
    Special Price $182.17 Regular Price $259.99
  17. Dorman Exhaust Manifold
    Dorman 674-922 Exhaust Manifold
    Special Price $192.77 Regular Price $274.99
  18. Dorman Exhaust Manifold
    Dorman 674-869 Exhaust Manifold
    Special Price $193.87 Regular Price $276.99
  19. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2007 GMC Sierra 1500 Classic 4.8L 5.3L 6.0L V8
    Special Price $228.58 Regular Price $326.99
  20. Dorman Exhaust Manifold
    Dorman Right Exhaust Manifold for 2003-2017 GMC Sierra 2500 HD 6.0L V8
    Special Price $228.58 Regular Price $326.99
  21. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2019-2020 Ram 1500 Classic 5.7L V8
    Special Price $230.70 Regular Price $329.99
  22. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2008-2009 Chevrolet Trailblazer 4.2L L6
    Special Price $239.02 Regular Price $340.99
  23. Dorman Engine Intake Manifold
    Dorman Engine Intake Manifold for 2000-2004 Ford F-250 Super Duty 5.4L V8
    Special Price $257.96 Regular Price $368.99
  24. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2001-2011 Ford Crown Victoria 4.6L V8
    Special Price $294.62 Regular Price $420.99
    Out of stock
  25. Dorman Exhaust Manifold
    Dorman 674-547 Exhaust Manifold
    Special Price $295.43 Regular Price $421.99
  26. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2008-2014 Dodge Avenger 2.4L L4
    Special Price $320.07 Regular Price $456.99
  27. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2000-2001 Workhorse FasTrack FT1600 5.7L V8
    Special Price $345.90 Regular Price $493.99
  28. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1996-2000 Lincoln Town Car 4.6L V8
    Special Price $353.14 Regular Price $503.99
  29. Dorman Exhaust Manifold
    Dorman Rear Exhaust Manifold for 2004-2009 Nissan Quest
    Special Price $369.75 Regular Price $527.99
  30. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2005-2006 Scion tC
    Special Price $372.39 Regular Price $531.99
  31. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2003-2008 Pontiac Vibe 1.8L L4
    Special Price $380.16 Regular Price $542.99
  32. Dorman Exhaust Manifold
    Dorman Exhaust Manifold for 2003-2008 Toyota Matrix 1.8L L4
    Special Price $380.16 Regular Price $542.99
  33. Dorman Engine Intake Manifold
    Dorman 615-375 Engine Intake Manifold
    Special Price $404.75 Regular Price $577.99
  34. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2010-2014 Ford Econoline Wagon 4.6L V8
    Special Price $500.79 Regular Price $714.99
  35. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1997-2006 Ford F-250 4.6L V8
    Special Price $502.36 Regular Price $717.99
  36. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1997-2006 Ford Lobo 4.6L V8
    Special Price $502.36 Regular Price $717.99
  37. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2003-2006 Ford E-250 4.6L V8
    Special Price $502.36 Regular Price $717.99
  38. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2003-2005 Ford E-150 Club Wagon 4.6L V8
    Special Price $502.36 Regular Price $717.99
  39. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2009-2010 Ford F-150 4.6L V8
    Special Price $511.02 Regular Price $729.99
  40. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 1995-1999 Cadillac Seville 4.6L V8
    Special Price $525.92 Regular Price $750.99
    Out of stock
  41. Dorman Engine Intake Manifold
    Dorman Lower Engine Intake Manifold for 1998-2005 Chevrolet Monte Carlo 3.8L V6
    Special Price $666.84 Regular Price $952.99
    Out of stock
  42. Dorman Engine Intake Manifold
    Dorman Lower Engine Intake Manifold for 1996-2004 Buick Regal 3.8L V6
    Special Price $666.84 Regular Price $952.99
    Out of stock
  43. Dorman Engine Intake Manifold
    Dorman Lower Engine Intake Manifold for 1996-1999 Oldsmobile LSS 3.8L V6
    Special Price $666.84 Regular Price $952.99
    Out of stock
  44. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2000-2006 Chevrolet Suburban 2500 6.0L V8
    Special Price $719.14 Regular Price $1,026.99
    Out of stock
  45. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2003-2006 Chevrolet Sonora 5.3L V8
    Special Price $733.82 Regular Price $1,047.99
    Out of stock
  46. Dorman Engine Intake Manifold
    Dorman Upper Engine Intake Manifold for 2004-2007 Chevrolet Express 3500 4.8L 6.0L V8
    Special Price $733.82 Regular Price $1,047.99
    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.