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Dorman Delphi Walker E3 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. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Special Price $97.67 Regular Price $139.99
    Dorman
  2. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2010-2015 Chevrolet Express Cargo 6.0L V8
    Special Price $172.35 Regular Price $245.99
    Dorman
  3. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1996-1999 GMC P3500 5.7L V8
    Special Price $338.98 Regular Price $483.99
    Dorman
  4. Dorman Engine Variable Timing Solenoid
    Dorman Left Variable Timing Solenoid VVT for 1999-2003 Lexus RX300 3.0L V6
    Special Price $65.93 Regular Price $93.99
    Dorman
  5. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2019 Chevrolet Express 3500 4.8L 6.0L V8
    Special Price $97.67 Regular Price $139.99
    Dorman
  6. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2006-2017 Chevrolet Corvette 6.2L 7.0L V8
    Special Price $99.67 Regular Price $141.99
    Dorman
  7. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2003-2006 Chevrolet SSR 5.3L 6.0L V8
    Special Price $115.33 Regular Price $164.99
    Dorman
  8. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2003-2008 Chevrolet Express 3500 4.8L 6.0L V8
    Special Price $115.33 Regular Price $164.99
    Dorman
  9. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2003-2008 Chevrolet Express 1500 5.3L V8
    Special Price $117.69 Regular Price $167.99
    Dorman
  10. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 1999-2008 GMC Sierra 1500 4.8L 5.3L 6.0L 6.2L V8
    Special Price $117.69 Regular Price $167.99
    Dorman
  11. 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
    Dorman
  12. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2007 Chevrolet Silverado 1500 Classic 4.8L 5.3L V8
    Special Price $117.69 Regular Price $167.99
    Dorman
  13. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2011-2020 Ford F-250 Super Duty 6.2L V8
    Special Price $134.64 Regular Price $191.99
    Dorman
  14. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2008-2016 Honda Odyssey 3.5L V6
    Special Price $139.40 Regular Price $198.99
    Dorman
  15. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2012 Honda Crosstour 3.5L V6
    Special Price $142.25 Regular Price $202.99
    Dorman
  16. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1995 GMC G2500 5.0L 5.7L V8
    Special Price $165.11 Regular Price $235.99
    Dorman
  17. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1988-1995 GMC K1500 5.0L 5.7L V8
    Special Price $165.11 Regular Price $235.99
    Dorman
  18. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2007 Chrysler Aspen 4.7L V8
    Special Price $167.31 Regular Price $238.99
    Dorman
  19. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2014 Chevrolet Express 1500 5.3L V8
    Special Price $172.35 Regular Price $245.99
    Dorman
  20. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2017 Chevrolet Express 2500 4.8L 5.3L 6.0L V8
    Special Price $172.35 Regular Price $245.99
    Dorman
  21. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2000-2013 GMC Yukon XL 2500 6.0L V8
    Special Price $172.35 Regular Price $245.99
    Dorman
  22. 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
    Dorman
  23. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2014-2017 Infiniti QX50 3.7L V6
    Special Price $176.31 Regular Price $251.99
    Dorman
  24. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2009-2017 Buick Enclave 3.6L V6
    Special Price $177.23 Regular Price $252.99
    Dorman
  25. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2013 Nissan Pathfinder 3.5L V6
    Special Price $179.91 Regular Price $256.99
    Dorman
  26. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2007-2008 Infiniti G35 3.5L V6
    Special Price $179.91 Regular Price $256.99
    Dorman
  27. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2011 Ford Crown Victoria
    Special Price $180.18 Regular Price $256.99
    Dorman
  28. 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
    Dorman
  29. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2005-2010 Ford F-250 Super Duty 5.4L V8
    Special Price $216.53 Regular Price $308.99
    Dorman
  30. Dorman Engine Valve Cover
    Dorman Left Engine Valve Cover for 2006-2010 Ford Explorer 4.6L V8
    Special Price $216.53 Regular Price $308.99
    Dorman
  31. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1977-1979 Ford F-100 6.6L V8
    Special Price $218.45 Regular Price $311.99
    Dorman
  32. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1977-1979 Ford Thunderbird 5.8L 6.6L V8
    Special Price $218.45 Regular Price $311.99
    Dorman
  33. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 1978-1981 Ford Bronco 5.8L 6.6L V8
    Special Price $218.45 Regular Price $311.99
    Dorman
  34. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2019-2020 Ram 1500 Classic 5.7L V8
    Special Price $230.70 Regular Price $329.99
    Dorman
  35. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2009-2020 Dodge Durango 5.7L V8
    Special Price $230.70 Regular Price $329.99
    Dorman
  36. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2007 Ford F-350 Super Duty 6.0L V8
    Special Price $259.20 Regular Price $369.99
    Dorman
  37. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2005 Ford Excursion 6.0L V8
    Special Price $259.20 Regular Price $369.99
    Dorman
  38. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2003-2007 Ford F-250 Super Duty 6.0L V8
    Special Price $264.49 Regular Price $377.99
    Dorman
  39. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2000-2001 Workhorse FasTrack FT1260 5.7L V8
    Special Price $345.90 Regular Price $493.99
    Dorman
  40. Dorman Exhaust Manifold
    Dorman Left Exhaust Manifold for 2002-2005 Workhorse FasTrack FT1461 5.7L V8
    Special Price $345.90 Regular Price $493.99
    Dorman
  41. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2011-2016 Ford F-350 6.2L V8
    Special Price $35.80 Regular Price $50.99
    Dorman
  42. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2010-2018 Ford F-150 5.0L 6.2L V8
    Special Price $35.80 Regular Price $50.99
    Dorman
  43. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2011-2018 Ford F-350 Super Duty 6.2L V8
    Special Price $35.80 Regular Price $50.99
    Dorman
  44. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2011-2018 Ford F-250 Super Duty 6.2L V8
    Special Price $36.54 Regular Price $51.99
    Dorman
  45. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2012-2018 Ford Mustang 5.0L 5.2L V8
    Special Price $36.54 Regular Price $51.99
    Dorman
  46. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2011-2018 Ford Lobo 5.0L 6.2L V8
    Special Price $36.54 Regular Price $51.99
    Dorman
  47. Dorman Engine Variable Valve Timing (VVT) Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2011-2014 Lincoln Mark LT 5.0L V8
    Special Price $36.54 Regular Price $51.99
    Dorman
  48. Dorman Engine Variable Timing Solenoid
    Dorman Left Variable Timing Solenoid VVT for 2000-2006 Toyota Sienna 3.0L 3.3L V6
    Special Price $64.61 Regular Price $91.99
    Dorman
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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. 

free shipping on eligible items at sixityauto.com

FAST & FREE SHIPPING
On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

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RAVE REVIEWS
5-Star Rated on Sitejabber

Don't take it from us - check out our feedback from our customers! Sixity Auto has partnered with Sitejabber, the industry leader in tracking customer loyalty and feedback, to bring genuine product and customer service reviews.

Plus read thousands of authentic reviews on Trustpilot, Google, Reseller Ratings, the Better Business Bureau, and more!

call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

tax exempt shopping available for businesses

BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.

© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.