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.

Select Your Vehicle

Filter By Part Details
View as Grid List

Items 1-48 of 794

Set Ascending Direction
  1. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2014 GMC Yukon XL 1500 5.3L 6.0L 6.2L V8
    Special Price $23.22 Regular Price $32.99
    Out of stock
  2. Delphi Fuel Tank Lock Ring
    Delphi FA10023 Fuel Tank Lock Ring
    Special Price $6.11 Regular Price $8.99
  3. Carter Fuel Tank Lock Ring
    Carter TLR9 Fuel Tank Lock Ring
    Special Price $10.41 Regular Price $14.99
    Out of stock
  4. Delphi Fuel Tank Lock Ring
    Delphi Fuel Tank Lock Ring for 1997-2005 Buick Park Avenue 3.8L V6
    Special Price $15.19 Regular Price $21.99
  5. Delphi Fuel Tank Lock Ring
    Delphi Fuel Tank Lock Ring for 1995-1998 Buick Riviera 3.8L V6
    Special Price $15.19 Regular Price $21.99
  6. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-1999 Chevrolet Monte Carlo 3.1L 3.4L 3.8L V6
    Special Price $17.10 Regular Price $23.99
    Out of stock
  7. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-2003 Ford F-150 4.2L 4.6L 5.4L V6 V8
    Special Price $20.58 Regular Price $28.99
  8. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005-2009 GMC Envoy
    Special Price $26.84 Regular Price $37.99
  9. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005-2006 Chevrolet Silverado 1500 HD
    Special Price $26.84 Regular Price $37.99
  10. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2019 Chevrolet Express 2500
    Special Price $26.84 Regular Price $37.99
  11. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2007-2017 Chevrolet Cheyenne
    Special Price $27.39 Regular Price $38.99
  12. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2008-2017 Buick Enclave
    Special Price $27.39 Regular Price $38.99
  13. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005-2008 Pontiac Grand Prix
    Special Price $27.39 Regular Price $38.99
  14. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2005-2006 GMC Sierra 1500 HD
    Special Price $27.39 Regular Price $38.99
  15. 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
  16. Dorman Fuel Tank Lock Ring
    Dorman Fuel Tank Lock Ring for 2004-2014 Chevrolet Express 1500
    Special Price $27.39 Regular Price $38.99
  17. GMB Fuel Tank Lock Ring
    GMB Fuel Tank Lock Ring for 2002-2004 Chevrolet Trailblazer 4.2L L6
    Special Price $28.89 Regular Price $40.99
  18. GMB Fuel Tank Lock Ring
    GMB Fuel Tank Lock Ring for 1999-2003 Chevrolet Silverado 2500 5.3L 5.7L 6.0L V8
    Special Price $28.89 Regular Price $40.99
  19. Carter Fuel Tank Lock Ring
    Carter TLR16 Fuel Tank Lock Ring
    Special Price $41.45 Regular Price $58.99
  20. Dorman Vapor Canister Shut-Off Valve
    Dorman 911-762 Vapor Canister Shut-Off Valve
    Special Price $48.17 Regular Price $68.99
  21. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2009-2013 Infiniti FX50 5.0L V8
    Special Price $52.25 Regular Price $74.99
  22. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2014-2018 Nissan Versa Note 1.6L L4
    Special Price $52.25 Regular Price $74.99
  23. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2009-2012 Infiniti EX35 3.5L V6
    Special Price $53.32 Regular Price $75.99
  24. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2009 Nissan 350Z 3.5L V6
    Special Price $53.32 Regular Price $75.99
  25. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2014-2018 Infiniti QX80 5.6L V8
    Special Price $53.32 Regular Price $75.99
  26. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2011-2013 Infiniti M37 3.7L V6
    Special Price $53.32 Regular Price $75.99
  27. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2014-2015 Nissan Rogue Select 2.5L L4
    Special Price $53.32 Regular Price $75.99
  28. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2001-2003 Chevrolet Silverado 3500 6.0L 8.1L V8
    Special Price $53.53 Regular Price $75.99
  29. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2004 Chevrolet S10 2.2L 4.3L L4 V6
    Special Price $53.53 Regular Price $75.99
  30. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 1998-2002 Honda Accord 2.3L 3.0L L4 V6
    Special Price $68.84 Regular Price $97.99
  31. Dorman Vapor Canister Shut-Off Valve
    Dorman Vapor Canister Shut-Off Valve for 2003-2004 Honda Odyssey
    Special Price $83.85 Regular Price $119.99
  32. Delphi Sparta Fuel Tank Lock Ring
    Delphi Sparta PN9003 Fuel Tank Lock Ring
    Special Price $5.81 Regular Price $7.99
  33. Carter Fuel Tank Lock Ring
    Carter TLR12 Fuel Tank Lock Ring
    Special Price $6.01 Regular Price $8.99
    Out of stock
  34. Airtex Fuel Tank Lock Ring
    Airtex LR3003 Fuel Tank Lock Ring
    Special Price $8.66 Regular Price $11.99
    Out of stock
  35. Carter Fuel Tank Lock Ring
    Carter TLR10 Fuel Tank Lock Ring
    Special Price $9.57 Regular Price $13.99
    Out of stock
  36. Carter Fuel Tank Lock Ring
    Carter TLR5 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  37. Carter Fuel Tank Lock Ring
    Carter TLR8 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  38. Carter Fuel Tank Lock Ring
    Carter TLR6 Fuel Tank Lock Ring
    Special Price $10.88 Regular Price $15.99
  39. Carter Fuel Tank Lock Ring
    Carter TLR14 Fuel Tank Lock Ring
    Special Price $12.08 Regular Price $16.99
    Out of stock
  40. Carter Fuel Tank Lock Ring
    Carter TLR1 Fuel Tank Lock Ring
    Special Price $12.45 Regular Price $17.99
  41. Carter Fuel Tank Lock Ring
    Carter TLR3 Fuel Tank Lock Ring
    Special Price $12.61 Regular Price $17.99
    Out of stock
  42. Carter Fuel Tank Lock Ring
    Carter TLR2 Fuel Tank Lock Ring
    Special Price $13.05 Regular Price $18.99
    Out of stock
  43. Carter Fuel Tank Lock Ring
    Carter TLR7 Fuel Tank Lock Ring
    Special Price $13.05 Regular Price $18.99
  44. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1995-1999 Buick Riviera 3.8L V6
    Special Price $13.16 Regular Price $18.99
    Out of stock
Page
per page

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.