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. Hitachi Fuel Pump Driver Module
    Hitachi Astemo FPC2926-HU Fuel Pump Driver Module
    Special Price $56.03 Regular Price $79.99
  2. Hitachi Fuel Pump Driver Module
    Hitachi Astemo FPC2921-HU Fuel Pump Driver Module
    Special Price $72.05 Regular Price $102.99
  3. Carter Fuel Tank Lock Ring
    Carter TLR9 Fuel Tank Lock Ring
    Special Price $10.41 Regular Price $14.99
    Out of stock
  4. GMB Fuel Tank Lock Ring
    GMB 500-2509 Fuel Tank Lock Ring
    Special Price $16.42 Regular Price $22.99
  5. Walker Exhaust Muffler Strap
    Walker Muffler Exhaust Muffler Strap for 1990-1995 GMC K2500 4.3L 5.7L V6 V8
    Special Price $19.02 Regular Price $26.99
  6. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1985-1990 Buick Electra 3.0L 3.8L V6
    Special Price $21.56 Regular Price $30.99
  7. 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
  8. Walker Exhaust Muffler Strap
    Walker Exhaust Muffler Strap for 1995-1998 Oldsmobile Achieva 2.3L 2.4L L4
    Special Price $25.07 Regular Price $35.99
  9. Walker Exhaust Muffler Strap
    Walker Muffler Exhaust Muffler Strap for 1996-1998 Pontiac Grand Am 3.1L V6
    Special Price $25.07 Regular Price $35.99
  10. Walker Exhaust Muffler Strap
    2 pc Walker Exhaust Muffler Straps for 1981-1989 Lincoln Town Car 5.0L V8
    Special Price $29.90 Regular Price $42.99
  11. Walker Exhaust Muffler Strap
    2 pc Walker Muffler Exhaust Muffler Straps for 1991-1992 Ford Explorer 4.0L V6
    Special Price $30.51 Regular Price $43.99
  12. Walker Exhaust Muffler Strap
    4 pc Walker Exhaust Muffler Straps for 1980-1981 Mercury Marquis 5.8L V8
    Special Price $52.41 Regular Price $74.99
  13. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2003 Chevrolet Suburban 2500 6.0L 8.1L V8
    Special Price $53.53 Regular Price $75.99
  14. Dorman Fuel Pump Driver Module
    Dorman Fuel Pump Driver Module for 2010-2018 Ford Taurus
    Special Price $69.63 Regular Price $98.99
  15. Dorman Fuel Pump Driver Module
    Dorman Fuel Pump Driver Module for 2009-2011 Ford Expedition
    Special Price $69.63 Regular Price $98.99
  16. Dorman Fuel Pump Driver Module
    Dorman Fuel Pump Driver Module for 2010-2018 Lincoln MKT
    Special Price $71.05 Regular Price $101.99
  17. Dorman Fuel Pump Driver Module
    Dorman 590-001 Fuel Pump Driver Module
    Special Price $74.90 Regular Price $106.99
  18. Dorman Fuel Pump Driver Module
    Dorman Fuel Pump Driver Module for 2006-2011 Ford Crown Victoria
    Special Price $90.43 Regular Price $128.99
  19. Hitachi Fuel Pump Driver Module
    Hitachi Astemo Fuel Pump Driver Module for 2009-2010 Volkswagen Passat CC 2.0L L4
    Special Price $95.96 Regular Price $136.99
  20. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    2 pc Holstein Variable Timing Adjuster Magnets for 2012-2015 BMW 528i xDrive 2.0L L4
    Special Price $102.66 Regular Price $146.99
  21. Delphi Sparta Fuel Tank Lock Ring
    Delphi Sparta PN9003 Fuel Tank Lock Ring
    Special Price $5.81 Regular Price $7.99
  22. Carter Fuel Tank Lock Ring
    Carter TLR12 Fuel Tank Lock Ring
    Special Price $6.01 Regular Price $8.99
    Out of stock
  23. Delphi Fuel Tank Lock Ring
    Delphi FA10023 Fuel Tank Lock Ring
    Special Price $6.11 Regular Price $8.99
  24. Airtex Fuel Tank Lock Ring
    Airtex LR3003 Fuel Tank Lock Ring
    Special Price $8.66 Regular Price $11.99
    Out of stock
  25. Carter Fuel Tank Lock Ring
    Carter TLR10 Fuel Tank Lock Ring
    Special Price $9.57 Regular Price $13.99
    Out of stock
  26. Carter Fuel Tank Lock Ring
    Carter TLR5 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  27. Carter Fuel Tank Lock Ring
    Carter TLR8 Fuel Tank Lock Ring
    Special Price $10.67 Regular Price $14.99
  28. Carter Fuel Tank Lock Ring
    Carter TLR6 Fuel Tank Lock Ring
    Special Price $10.88 Regular Price $15.99
  29. Walker Exhaust Muffler Strap
    Walker 35564 Exhaust Muffler Strap
    Special Price $11.04 Regular Price $15.99
  30. Carter Fuel Tank Lock Ring
    Carter TLR14 Fuel Tank Lock Ring
    Special Price $12.08 Regular Price $16.99
    Out of stock
  31. Carter Fuel Tank Lock Ring
    Carter TLR1 Fuel Tank Lock Ring
    Special Price $12.45 Regular Price $17.99
  32. Carter Fuel Tank Lock Ring
    Carter TLR3 Fuel Tank Lock Ring
    Special Price $12.61 Regular Price $17.99
    Out of stock
  33. Carter Fuel Tank Lock Ring
    Carter TLR2 Fuel Tank Lock Ring
    Special Price $13.05 Regular Price $18.99
    Out of stock
  34. Carter Fuel Tank Lock Ring
    Carter TLR7 Fuel Tank Lock Ring
    Special Price $13.05 Regular Price $18.99
  35. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2007-2008 Pontiac G5 2.2L 2.4L L4
    Special Price $13.16 Regular Price $18.99
    Out of stock
  36. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2005 Pontiac Grand Am 2.2L 2.4L 3.4L L4 V6
    Special Price $13.16 Regular Price $18.99
    Out of stock
  37. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2001-2005 Pontiac Montana 3.4L 3.5L V6
    Special Price $13.16 Regular Price $18.99
    Out of stock
  38. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2000-2005 Pontiac Sunfire 2.2L 2.4L L4
    Special Price $13.16 Regular Price $18.99
    Out of stock
  39. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2001-2002 Saturn L100 2.2L L4
    Special Price $13.16 Regular Price $18.99
    Out of stock
  40. 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
  41. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-2005 Cadillac DeVille 4.6L V8
    Special Price $13.16 Regular Price $18.99
    Out of stock
  42. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2002-2005 Buick Rendezvous 3.4L V6
    Special Price $13.16 Regular Price $18.99
    Out of stock
  43. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 1997-2004 Cadillac Seville 4.6L V8
    Special Price $13.16 Regular Price $18.99
    Out of stock
  44. Carter Fuel Tank Lock Ring
    Carter Fuel Tank Lock Ring for 2004-2005 Chevrolet Classic 2.2L L4
    Special Price $13.16 Regular Price $18.99
    Out of stock
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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.