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 Fuel Line Connector
    Dorman 800-191 Fuel Line Connector
    Special Price $9.49 Regular Price $13.99
  2. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1991-2011 Lincoln Town Car
    Special Price $19.00 Regular Price $26.99
  3. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1991 GMC V3500 5.7L 7.4L V8
    Special Price $26.32 Regular Price $37.99
  4. Dorman Fuel Line Connector
    Dorman 800-153 Fuel Line Connector
    Special Price $13.33 Regular Price $18.99
  5. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2005 Buick LeSabre 3.8L V6
    Special Price $13.43 Regular Price $18.99
    Out of stock
  6. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-2001 Chevrolet Lumina 3.1L 3.4L 3.8L V6
    Special Price $17.46 Regular Price $24.99
    Out of stock
  7. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2006-2007 Ford Freestyle
    Special Price $18.50 Regular Price $25.99
  8. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1991-1999 Ford F-250 4.6L 5.4L 5.8L V8
    Special Price $18.50 Regular Price $25.99
  9. Dorman Fuel Line Connector
    Dorman 800-051 Fuel Line Connector
    Special Price $18.78 Regular Price $26.99
  10. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1991-2007 Ford Ranger 2.3L 2.5L 3.0L 4.0L L4 V6
    Special Price $18.88 Regular Price $26.99
  11. Airtex Fuel Tank Lock Ring
    Airtex Fuel Tank Lock Ring for 2006-2009 Pontiac Torrent 3.4L 3.6L V6
    Special Price $19.14 Regular Price $26.99
    Out of stock
  12. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1991-2008 Ford Mustang 3.8L 4.0L 4.6L V6 V8
    Special Price $19.39 Regular Price $27.99
  13. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1987 Mercury Lynx 1.9L L4
    Special Price $21.41 Regular Price $30.99
    Out of stock
  14. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1985-1990 Chevrolet Caprice 4.3L 5.0L 5.7L V6 V8
    Special Price $21.56 Regular Price $30.99
  15. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1995 Chevrolet LLV
    Special Price $25.79 Regular Price $36.99
  16. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1985-2004 Chevrolet S10 2.2L 2.5L 4.3L L4 V6
    Special Price $25.79 Regular Price $36.99
  17. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2005 Cadillac STS 4.6L V8
    Special Price $25.79 Regular Price $36.99
  18. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1999 GMC P3500 4.3L 5.7L 7.4L V6 V8
    Special Price $25.79 Regular Price $36.99
  19. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 2002-2003 Chevrolet Avalanche 1500
    Special Price $25.79 Regular Price $36.99
  20. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987 Chevrolet V20 5.7L V8
    Special Price $26.32 Regular Price $37.99
  21. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1999 Chevrolet P30 4.3L 5.7L 7.4L V6 V8
    Special Price $26.32 Regular Price $37.99
  22. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1985-1989 Chevrolet Caprice 4.3L V6
    Special Price $26.32 Regular Price $37.99
  23. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1985-1996 Chevrolet Corvette 5.7L V8
    Special Price $26.32 Regular Price $37.99
  24. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2006 Pontiac GTO
    Special Price $26.84 Regular Price $37.99
  25. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2013 Chevrolet Suburban 2500
    Special Price $27.39 Regular Price $38.99
  26. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1987-1991 Mercury Colony Park
    Special Price $27.79 Regular Price $39.99
  27. Dorman Fuel Line Connector
    Dorman Fuel Line Connector for 1986-1997 Ford F-350 4.9L 5.8L 7.5L L6 V8
    Special Price $28.36 Regular Price $40.99
  28. Delphi Sparta Fuel Tank Lock Ring
    Delphi Sparta PN9003 Fuel Tank Lock Ring
    Special Price $5.81 Regular Price $7.99
  29. Carter Fuel Tank Lock Ring
    Carter TLR12 Fuel Tank Lock Ring
    Special Price $6.01 Regular Price $8.99
    Out of stock
  30. Delphi Fuel Tank Lock Ring
    Delphi FA10023 Fuel Tank Lock Ring
    Special Price $6.11 Regular Price $8.99
  31. Dorman Fuel Line Connector
    Dorman 800-011 Fuel Line Connector
    Special Price $7.39 Regular Price $10.99
  32. Dorman Fuel Line Connector
    Dorman 800-078 Fuel Line Connector
    Special Price $8.30 Regular Price $11.99
  33. Dorman Fuel Line Connector
    Dorman 800-085 Fuel Line Connector
    Special Price $8.44 Regular Price $11.99
  34. Dorman Fuel Line Connector
    Dorman 800-080 Fuel Line Connector
    Special Price $8.49 Regular Price $11.99
  35. Airtex Fuel Tank Lock Ring
    Airtex LR3003 Fuel Tank Lock Ring
    Special Price $8.66 Regular Price $11.99
    Out of stock
  36. Carter Fuel Tank Lock Ring
    Carter TLR10 Fuel Tank Lock Ring
    Special Price $9.57 Regular Price $13.99
    Out of stock
  37. Carter Fuel Tank Lock Ring
    Carter TLR9 Fuel Tank Lock Ring
    Special Price $10.41 Regular Price $14.99
    Out of stock
  38. Carter Fuel Tank Lock Ring
    Carter TLR5 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  39. Carter Fuel Tank Lock Ring
    Carter TLR8 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  40. Carter Fuel Tank Lock Ring
    Carter TLR6 Fuel Tank Lock Ring
    Special Price $10.88 Regular Price $15.99
  41. Dorman Fuel Line Connector
    Dorman 800-193 Fuel Line Connector
    Special Price $11.01 Regular Price $15.99
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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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