Dorman Timken Sparta by Delphi Delphi 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 Rear Main Seal Cover
    Dorman 635-518 Engine Rear Main Seal Cover
    Special Price $59.22 Regular Price $84.99
  2. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2006-2007 Chevrolet Monte Carlo 5.3L V8
    Special Price $76.16 Regular Price $108.99
  3. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2002-2012 Cadillac Escalade EXT
    Special Price $76.16 Regular Price $108.99
  4. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2000-2014 GMC Yukon XL 1500 5.3L 6.2L V8
    Special Price $76.16 Regular Price $108.99
  5. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2009-2012 GMC Canyon 5.3L V8
    Special Price $76.16 Regular Price $108.99
  6. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2001-2017 GMC Sierra 2500 HD 6.0L V8
    Special Price $77.72 Regular Price $110.99
  7. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2005-2009 Saab 9-7x 5.3L 6.0L V8
    Special Price $77.72 Regular Price $110.99
  8. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2002-2014 Cadillac Escalade 6.0L 6.2L V8
    Special Price $77.72 Regular Price $110.99
  9. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2003-2006 GMC Envoy XL 5.3L V8
    Special Price $77.72 Regular Price $110.99
  10. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 1999-2004 GMC Sierra 2500 6.0L V8
    Special Price $77.72 Regular Price $110.99
  11. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2001-2006 Chevrolet Silverado 1500 HD
    Special Price $76.16 Regular Price $108.99
  12. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2003-2014 Chevrolet Express 1500 5.3L V8
    Special Price $76.16 Regular Price $108.99
  13. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2007-2013 Chevrolet Avalanche 5.3L V8
    Special Price $76.16 Regular Price $108.99
  14. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2008-2009 Buick LaCrosse 5.3L V8
    Special Price $76.16 Regular Price $108.99
  15. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2007 GMC Sierra 3500 Classic 6.0L V8
    Special Price $76.16 Regular Price $108.99
  16. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2009-2010 Hummer H3T 5.3L V8
    Special Price $76.16 Regular Price $108.99
  17. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2003-2006 Chevrolet SSR
    Special Price $76.16 Regular Price $108.99
  18. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2003-2014 Cadillac Escalade ESV 6.2L V8
    Special Price $76.16 Regular Price $108.99
  19. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2002-2006 Chevrolet Avalanche 1500
    Special Price $76.16 Regular Price $108.99
  20. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2004-2015 Cadillac CTS 5.7L 6.0L 6.2L V8
    Special Price $76.16 Regular Price $108.99
  21. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2000-2013 GMC Yukon XL 2500 6.0L V8
    Special Price $76.16 Regular Price $108.99
  22. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2009-2012 GMC Canyon 5.3L V8
    Special Price $76.16 Regular Price $108.99
  23. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2007 GMC Sierra 1500 HD Classic
    Special Price $76.16 Regular Price $108.99
  24. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2008-2009 Pontiac G8 6.0L V8
    Special Price $76.16 Regular Price $108.99
  25. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 1998-2002 Pontiac Firebird 5.7L V8
    Special Price $76.16 Regular Price $108.99
  26. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2007-2017 GMC Sierra 3500 HD 6.0L V8
    Special Price $76.16 Regular Price $108.99
  27. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2011-2017 Chevrolet Express Cargo 6.0L V8
    Special Price $76.16 Regular Price $108.99
  28. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2002-2014 Cadillac Escalade 6.0L 6.2L V8
    Special Price $76.16 Regular Price $108.99
  29. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2006-2007 Chevrolet Monte Carlo 5.3L V8
    Special Price $76.16 Regular Price $108.99
  30. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2008-2009 Buick LaCrosse 5.3L V8
    Special Price $76.16 Regular Price $108.99
  31. Dorman Engine Rear Main Seal Cover
    Dorman Engine Rear Main Seal Cover for 2000-2014 GMC Yukon XL 1500 5.3L 6.2L V8
    Special Price $76.16 Regular Price $108.99
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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


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