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 220

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  1. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2011-2016 Chevrolet Cruze 1.4L L4
    Special Price $38.04 Regular Price $53.99
  2. Rein Turbocharger Coolant Line
    Rein Return Turbo To Pipe Turbo Coolant Line for 2009-2016 Audi A4 Quattro 2.0L L4
    Special Price $106.87 Regular Price $152.99
  3. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2013-2020 Chevrolet Trax 1.4L L4
    Special Price $38.82 Regular Price $54.99
  4. Walker Exhaust Intermediate Pipe
    Walker 73003 Exhaust Intermediate Pipe
    Special Price $58.05 Regular Price $82.99
  5. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2016 BMW 528i xDrive 2.0L L4
    Special Price $60.07 Regular Price $85.99
  6. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2014-2016 BMW 328i GT xDrive 2.0L L4
    Special Price $60.62 Regular Price $86.99
  7. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2013-2017 BMW X3 2.0L L4
    Special Price $60.62 Regular Price $86.99
  8. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2015-2018 BMW X4 2.0L L4
    Special Price $61.86 Regular Price $87.99
  9. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2017-2019 Mercedes-Benz GLS550 4.7L V8
    Special Price $64.77 Regular Price $92.99
  10. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2013-2016 Mercedes-Benz GL63 AMG 5.5L V8
    Special Price $64.77 Regular Price $92.99
  11. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2012-2017 Mercedes-Benz E550 4.7L V8
    Special Price $66.10 Regular Price $93.99
  12. Rein Turbocharger Coolant Line
    Rein TurboTo Connect Turbo Coolant Line for 2011-2015 Mini Cooper 1.6L L4
    Special Price $70.65 Regular Price $100.99
  13. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    2 pc Holstein Variable Timing Adjuster Magnets for 2013-2015 BMW 320i xDrive 2.0L L4
    Special Price $100.60 Regular Price $143.99
    Out of stock
  14. Rein Turbocharger Coolant Line
    Rein Return Turbo To Pipe Turbo Coolant Line for 2013-2016 Audi A4 allroad 2.0L L4
    Special Price $106.87 Regular Price $152.99
  15. Rein Turbocharger Coolant Line
    Rein Return Turbo To Pipe Turbo Coolant Line for 2011-2017 Audi Q5 2.0L L4
    Special Price $109.06 Regular Price $155.99
  16. Rein Turbocharger Coolant Line
    Rein Return Turbo To Pipe Turbo Coolant Line for 2009-2016 Audi A4 2.0L L4
    Special Price $109.06 Regular Price $155.99
  17. Rein Turbocharger Coolant Line
    Rein CHE0139R Turbo Coolant Line
    Special Price $5.77 Regular Price $7.99
  18. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1997-2005 Audi A4 Quattro 1.8L L4
    Special Price $14.84 Regular Price $20.99
  19. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1998-2005 Volkswagen Passat 1.8L L4
    Special Price $15.15 Regular Price $21.99
  20. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 1997-2006 Audi A4 1.8L L4
    Special Price $15.15 Regular Price $21.99
  21. Walker Exhaust Intermediate Pipe
    Walker 42477 Exhaust Intermediate Pipe
    Special Price $15.73 Regular Price $21.99
    Out of stock
  22. Walker Exhaust Intermediate Pipe
    Walker 51029 Exhaust Intermediate Pipe
    Special Price $16.49 Regular Price $23.99
    Out of stock
  23. Walker Exhaust Intermediate Pipe
    Walker 43782 Exhaust Intermediate Pipe
    Special Price $16.50 Regular Price $23.99
    Out of stock
  24. Walker Exhaust Intermediate Pipe
    Walker 52153 Exhaust Intermediate Pipe
    Special Price $17.50 Regular Price $24.99
    Out of stock
  25. Rein Turbocharger Coolant Line
    Rein TCH0190 Turbo Coolant Line
    Special Price $21.68 Regular Price $30.99
  26. Dorman Turbocharger Coolant Line
    Dorman 626-600 Turbo Coolant Line
    Special Price $23.19 Regular Price $32.99
  27. Gates Turbocharger Coolant Line
    Gates TL139 Turbo Coolant Line
    Special Price $27.68 Regular Price $39.99
  28. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1990-1991 Dodge D250 5.2L 5.9L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  29. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1990-1991 Dodge D350 5.9L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  30. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1975 Dodge D200 5.2L 5.9L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  31. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1980-1996 Ford F-250 4.9L 5.0L 5.8L 6.6L L6 V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  32. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1975 Dodge D100 5.2L 5.9L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  33. Walker Exhaust Intermediate Pipe
    Walker Rear Exhaust Intermediate Pipe for 1980-1996 Ford F-150 4.9L 5.0L 5.8L L6 V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  34. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1990-1991 Dodge D150 5.2L 5.9L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  35. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1980-1996 Ford F-150 4.9L 5.0L 5.8L L6 V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  36. Walker Exhaust Intermediate Pipe
    Walker Front Exhaust Intermediate Pipe for 1980 Ford F-150 5.8L V8
    Special Price $28.41 Regular Price $40.99
    Out of stock
  37. Rein Turbocharger Coolant Line
    Rein TCH0191 Turbo Coolant Line
    Special Price $28.91 Regular Price $40.99
  38. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1980-1996 Ford F-350 4.9L 5.8L 6.6L L6 V8
    Special Price $29.00 Regular Price $40.99
    Out of stock
  39. Walker Exhaust Intermediate Pipe
    Walker Rear Exhaust Intermediate Pipe for 1980-1981 Ford F-350 4.9L 5.8L 6.6L L6 V8
    Special Price $29.00 Regular Price $40.99
    Out of stock
  40. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1980-1983 Ford F-100 4.2L 4.9L 5.0L L6 V8
    Special Price $29.00 Regular Price $40.99
    Out of stock
  41. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1975 Dodge D300 5.2L 5.9L V8
    Special Price $29.00 Regular Price $40.99
    Out of stock
  42. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 1990-1991 Dodge W250 5.2L 5.9L V8
    Special Price $29.00 Regular Price $40.99
    Out of stock
  43. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 2001-2003 Ford F-150 4.6L 5.4L V8
    Special Price $29.31 Regular Price $41.99
    Out of stock
  44. Walker Exhaust Intermediate Pipe
    Walker Exhaust Intermediate Pipe for 2004 Ford F-150 Heritage 4.6L 5.4L V8
    Special Price $29.31 Regular Price $41.99
    Out of stock
  45. Walker Exhaust Intermediate Pipe
    Walker Rear Exhaust Intermediate Pipe for 1981-1984 Dodge D350 5.9L V8
    Special Price $29.79 Regular Price $42.99
    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.