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 842

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  1. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2009 Cadillac XLR 4.4L 4.6L V8
    Special Price $13.16 Regular Price $18.99
    Out of stock
  2. Delphi Fuel Tank Lock Ring
    Delphi Fuel Tank Lock Ring for 2002-2005 Buick Rendezvous 3.4L V6
    Special Price $15.19 Regular Price $21.99
  3. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1998-2002 Chevrolet C3500 5.7L 7.4L 8.1L V8
    Special Price $17.10 Regular Price $23.99
    Out of stock
  4. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1989-1995 Dodge Spirit 2.2L 2.5L 3.0L L4 V6
    Special Price $18.74 Regular Price $26.99
  5. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1987-1995 Dodge Caravan 2.5L 3.0L 3.3L L4 V6
    Special Price $19.23 Regular Price $26.99
  6. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1988-1994 Buick Regal 2.8L 3.1L 3.8L V6
    Special Price $19.75 Regular Price $27.99
  7. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1987-1991 Ford Tempo 2.3L L4
    Special Price $20.58 Regular Price $28.99
  8. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2008-2014 Dodge Avenger 2.4L 2.7L 3.5L 3.6L L4 V6
    Special Price $21.14 Regular Price $29.99
    Out of stock
  9. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1984-1985 Pontiac J2000 Sunbird 1.8L 2.0L L4
    Special Price $21.56 Regular Price $30.99
  10. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1982-1983 Pontiac J2000 1.8L 2.0L L4
    Special Price $21.56 Regular Price $30.99
  11. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2010-2017 GMC Terrain 2.4L 3.6L L4 V6
    Special Price $23.22 Regular Price $32.99
    Out of stock
  12. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2013 Cadillac Escalade EXT 6.0L 6.2L V8
    Special Price $23.22 Regular Price $32.99
    Out of stock
  13. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2011-2014 Buick Regal 2.0L 2.4L L4
    Special Price $23.22 Regular Price $32.99
    Out of stock
  14. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2013 Chevrolet Suburban 2500 6.0L 8.1L V8
    Special Price $23.22 Regular Price $32.99
    Out of stock
  15. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2012-2017 Chevrolet Sonic 1.4L 1.8L L4
    Special Price $23.69 Regular Price $33.99
    Out of stock
  16. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2014 GMC Savana 1500 4.3L 5.3L V6 V8
    Special Price $23.69 Regular Price $33.99
    Out of stock
  17. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2007-2014 GMC Sierra 3500 HD 6.0L V8
    Special Price $23.69 Regular Price $33.99
  18. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005 GMC Envoy XUV
    Special Price $26.84 Regular Price $37.99
  19. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2014-2016 Chevrolet SS
    Special Price $26.84 Regular Price $37.99
  20. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2016 Chevrolet Malibu Limited
    Special Price $26.84 Regular Price $37.99
  21. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2019 Chevrolet Express 2500
    Special Price $26.84 Regular Price $37.99
  22. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2014-2017 Chevrolet Suburban
    Special Price $26.84 Regular Price $37.99
  23. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2012-2017 Chevrolet Sonic 1.4L 1.8L L4
    Special Price $27.39 Regular Price $38.99
  24. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2009-2019 Chevrolet Express Pasajeros
    Special Price $27.39 Regular Price $38.99
  25. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2010-2017 Chevrolet Camaro
    Special Price $27.39 Regular Price $38.99
  26. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2006-2009 Pontiac Solstice
    Special Price $27.39 Regular Price $38.99
  27. GMB Fuel Tank Lock Ring
    GMB Fuel Tank Lock Ring for 2002-2003 Cadillac Escalade 5.3L 6.0L V8
    Special Price $28.89 Regular Price $40.99
  28. Dorman Engine Cylinder Deactivation Solenoid
    Dorman Cylinder Deactivation Solenoid for 2007-2014 Cadillac Escalade ESV 6.2L V8
    Special Price $360.43 Regular Price $514.99
  29. Dorman Engine Cylinder Deactivation Solenoid
    Dorman Cylinder Deactivation Solenoid for 2005 GMC Envoy XUV 5.3L V8
    Special Price $360.43 Regular Price $514.99
  30. Dorman Engine Cylinder Deactivation Solenoid
    Dorman Cylinder Deactivation Solenoid for 2019 GMC Sierra 2500 HD 6.0L V8
    Special Price $367.79 Regular Price $524.99
  31. Dorman Engine Cylinder Deactivation Solenoid
    Dorman Cylinder Deactivation Solenoid for 2006-2008 Pontiac Grand Prix 5.3L V8
    Special Price $367.79 Regular Price $524.99
  32. Dorman Engine Cylinder Deactivation Solenoid
    Dorman Cylinder Deactivation Solenoid for 2019 Chevrolet Silverado 3500 HD 6.0L V8
    Special Price $367.79 Regular Price $524.99
  33. Delphi Sparta Fuel Tank Lock Ring
    Delphi Sparta PN9003 Fuel Tank Lock Ring
    Special Price $5.81 Regular Price $7.99
  34. Carter Fuel Tank Lock Ring
    Carter TLR12 Fuel Tank Lock Ring
    Special Price $6.01 Regular Price $8.99
    Out of stock
  35. Delphi Fuel Tank Lock Ring
    Delphi FA10023 Fuel Tank Lock Ring
    Special Price $6.11 Regular Price $8.99
  36. Airtex Fuel Tank Lock Ring
    Airtex LR3003 Fuel Tank Lock Ring
    Special Price $8.66 Regular Price $11.99
    Out of stock
  37. Carter Fuel Tank Lock Ring
    Carter TLR10 Fuel Tank Lock Ring
    Special Price $9.57 Regular Price $13.99
    Out of stock
  38. Carter Fuel Tank Lock Ring
    Carter TLR9 Fuel Tank Lock Ring
    Special Price $10.41 Regular Price $14.99
    Out of stock
  39. Carter Fuel Tank Lock Ring
    Carter TLR5 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  40. Carter Fuel Tank Lock Ring
    Carter TLR8 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  41. Carter Fuel Tank Lock Ring
    Carter TLR6 Fuel Tank Lock Ring
    Special Price $10.88 Regular Price $15.99
  42. Carter Fuel Tank Lock Ring
    Carter TLR14 Fuel Tank Lock Ring
    Special Price $12.08 Regular Price $16.99
    Out of stock
  43. Carter Fuel Tank Lock Ring
    Carter TLR1 Fuel Tank Lock Ring
    Special Price $12.45 Regular Price $17.99
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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.