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. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2006 Chevrolet SSR 5.3L 6.0L V8
    Special Price $10.21 Regular Price $14.99
  2. Walker Exhaust Bracket
    2 pc Walker Exhaust Brackets for 1980-1990 GMC G2500 5.0L 5.7L 6.2L 6.6L V8
    Special Price $19.90 Regular Price $27.99
  3. Walker Exhaust Bracket
    Walker Int Pipe Exhaust Bracket for 1995-2000 Toyota Tacoma 3.4L V6
    Special Price $29.64 Regular Price $41.99
  4. Walker Exhaust Bracket
    Walker 35358 Exhaust Bracket
    Special Price $6.07 Regular Price $8.99
  5. MAHLE Engine Oil Pump O-Ring
    MAHLE B32543 Engine Oil Pump O-Ring
    Special Price $7.52 Regular Price $10.99
  6. Walker Exhaust Bracket
    Walker 35242 Exhaust Bracket
    Special Price $9.00 Regular Price $12.99
    Out of stock
  7. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2009-2012 Chevrolet Colorado 5.3L V8
    Special Price $10.01 Regular Price $13.99
  8. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2001-2006 Chevrolet Silverado 1500 HD 6.0L V8
    Special Price $10.01 Regular Price $13.99
  9. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2001-2016 Chevrolet Silverado 2500 HD 6.0L V8
    Special Price $10.01 Regular Price $13.99
  10. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2006 Chevrolet Trailblazer EXT 5.3L V8
    Special Price $10.01 Regular Price $13.99
  11. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2009-2012 GMC Canyon 5.3L V8
    Special Price $10.01 Regular Price $13.99
  12. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2000-2014 GMC Yukon XL 1500 5.3L 6.0L 6.2L V8
    Special Price $10.01 Regular Price $13.99
  13. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2004-2005 GMC Envoy XUV 5.3L V8
    Special Price $10.01 Regular Price $13.99
  14. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2016 GMC Savana 3500 4.8L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  15. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2007 GMC Sierra 2500 HD Classic 6.0L V8
    Special Price $10.01 Regular Price $13.99
  16. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2000-2014 GMC Yukon 4.8L 5.3L 6.0L 6.2L V8
    Special Price $10.01 Regular Price $13.99
  17. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2008-2010 Hummer H3 5.3L V8
    Special Price $10.01 Regular Price $13.99
  18. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2005-2008 Pontiac Grand Prix 5.3L V8
    Special Price $10.01 Regular Price $13.99
  19. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2004-2006 Pontiac GTO 5.7L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  20. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2008-2009 Buick LaCrosse 5.3L V8
    Special Price $10.01 Regular Price $13.99
  21. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2006-2009 Chevrolet Trailblazer 5.3L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  22. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2007 GMC Sierra 1500 Classic 4.8L 5.3L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  23. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2007 GMC Sierra 1500 HD Classic 6.0L V8
    Special Price $10.01 Regular Price $13.99
  24. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2001-2006 GMC Sierra 1500 HD 6.0L V8
    Special Price $10.01 Regular Price $13.99
  25. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 1999-2004 GMC Sierra 2500 5.3L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  26. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2009-2010 Hummer H3T 5.3L V8
    Special Price $10.01 Regular Price $13.99
  27. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2008-2009 Pontiac G8 6.0L 6.2L V8
    Special Price $10.01 Regular Price $13.99
  28. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2016 Chevrolet Express 3500 4.8L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  29. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2002-2006 Chevrolet Avalanche 1500 5.3L V8
    Special Price $10.01 Regular Price $13.99
  30. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 1998-2016 Chevrolet Camaro 5.7L 6.2L V8
    Special Price $10.01 Regular Price $13.99
  31. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2001-2016 GMC Sierra 2500 HD 6.0L V8
    Special Price $10.01 Regular Price $13.99
  32. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2007-2013 Chevrolet Avalanche 5.3L 6.0L V8
    Special Price $10.01 Regular Price $13.99
  33. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2007-2016 Chevrolet Silverado 3500 HD 6.0L V8
    Special Price $10.01 Regular Price $13.99
  34. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2006 Isuzu Ascender 5.3L V8
    Special Price $10.01 Regular Price $13.99
  35. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2014-2016 Chevrolet SS 6.2L V8
    Special Price $10.01 Regular Price $13.99
  36. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2006 GMC Envoy XL 5.3L V8
    Special Price $10.21 Regular Price $14.99
  37. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2005-2009 GMC Envoy 5.3L V8
    Special Price $10.21 Regular Price $14.99
  38. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2000-2013 GMC Yukon XL 2500 6.0L V8
    Special Price $10.21 Regular Price $14.99
  39. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2002-2013 Cadillac Escalade EXT 6.0L 6.2L V8
    Special Price $10.21 Regular Price $14.99
  40. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 2003-2016 GMC Savana 2500 4.8L 5.3L 6.0L V8
    Special Price $10.21 Regular Price $14.99
  41. Fel-Pro Engine Oil Pump O-Ring
    Fel-Pro Engine Oil Pump O-Ring for 1998-2002 Pontiac Firebird 5.7L V8
    Special Price $10.21 Regular Price $14.99
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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.