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 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. Walker Muffler / Exhaust Putty
    Walker 35958 Muffler Exhaust Putty
    Special Price $9.38 Regular Price $12.99
  3. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2001-2005 Audi A4 Quattro 1.8L L4
    Special Price $52.02 Regular Price $73.99
    Out of stock
  4. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2015-2016 BMW 428i xDrive Gran Coupe 2.0L L4
    Special Price $60.07 Regular Price $85.99
  5. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2016 BMW 528i 2.0L L4
    Special Price $60.07 Regular Price $85.99
  6. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2016-2020 Mercedes-Benz GLE63 AMG 5.5L V8
    Special Price $66.10 Regular Price $93.99
  7. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2012-2018 Mercedes-Benz CLS550 4.7L V8
    Special Price $66.10 Regular Price $93.99
  8. Rein Turbocharger Coolant Line
    Rein Supply Left Turbo Coolant Line for 2011-2019 Mercedes-Benz S63 AMG 5.5L V8
    Special Price $66.10 Regular Price $93.99
  9. Rein Turbocharger Coolant Line
    Rein CHE0139R Turbo Coolant Line
    Special Price $5.77 Regular Price $7.99
    Out of stock
  10. Walker Muffler / Exhaust Putty
    Walker 35959 Muffler Exhaust Putty
    Special Price $10.15 Regular Price $14.99
    Out of stock
  11. 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
    Out of stock
  12. 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
    Out of stock
  13. 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
    Out of stock
  14. Rein Turbocharger Coolant Line
    Rein TCH0190 Turbo Coolant Line
    Special Price $21.68 Regular Price $30.99
    Out of stock
  15. Dorman Turbocharger Coolant Line
    Dorman 626-600 Turbo Coolant Line
    Special Price $23.19 Regular Price $32.99
  16. Gates Turbocharger Coolant Line
    Gates TL139 Turbo Coolant Line
    Special Price $27.68 Regular Price $39.99
  17. Rein Turbocharger Coolant Line
    Rein TCH0191 Turbo Coolant Line
    Special Price $28.91 Regular Price $40.99
  18. Rein Turbocharger Coolant Line
    Rein Aux Pump To Filter Turbo Coolant Line for 2007-2015 Mini Cooper 1.6L L4
    Special Price $31.56 Regular Price $44.99
    Out of stock
  19. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2012-2020 Chevrolet Sonic 1.4L L4
    Special Price $38.04 Regular Price $53.99
  20. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2013-2020 Buick Encore 1.4L L4
    Special Price $38.04 Regular Price $53.99
  21. Gates Turbocharger Coolant Line
    Gates Return Turbo Coolant Line for 2011-2016 Ford F-250 Super Duty 6.7L V8
    Special Price $38.19 Regular Price $54.99
  22. Gates Turbocharger Coolant Line
    Gates Return Turbo Coolant Line for 2011-2016 Ford F-350 Super Duty 6.7L V8
    Special Price $38.19 Regular Price $54.99
  23. Rein Turbocharger Coolant Line
    Rein Aux Pump To Turbo Turbo Coolant Line for 2007-2015 Mini Cooper 1.6L L4
    Special Price $38.31 Regular Price $54.99
  24. 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
  25. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2016 Chevrolet Cruze Limited 1.4L L4
    Special Price $38.82 Regular Price $54.99
  26. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2011-2016 Ford F-250 Super Duty 6.7L V8
    Special Price $38.96 Regular Price $55.99
  27. Dorman Turbocharger Coolant Line
    Dorman Return Turbo Coolant Line for 2011-2016 Ford F-350 Super Duty 6.7L V8
    Special Price $39.76 Regular Price $56.99
  28. Rein Turbocharger Coolant Line
    Rein CHT0576 Turbo Coolant Line
    Special Price $40.94 Regular Price $57.99
    Out of stock
  29. Holstein Engine Variable Valve Timing (VVT) Adjuster Magnet
    Holstein 2VTS0211 Variable Timing Adjuster Magnet
    Special Price $41.84 Regular Price $59.99
    Out of stock
  30. Rein Turbocharger Coolant Line
    Rein CHT0726 Turbo Coolant Line
    Special Price $48.06 Regular Price $68.99
    Out of stock
  31. Rein Turbocharger Coolant Line
    Rein CHT0577 Turbo Coolant Line
    Special Price $48.49 Regular Price $68.99
    Out of stock
  32. Rein Turbocharger Coolant Line
    Rein CHT0690 Turbo Coolant Line
    Special Price $48.82 Regular Price $69.99
  33. Rein Turbocharger Coolant Line
    Rein CHT0761 Turbo Coolant Line
    Special Price $49.49 Regular Price $70.99
  34. Rein Turbocharger Coolant Line
    Rein CHT0685 Turbo Coolant Line
    Special Price $49.82 Regular Price $70.99
  35. Rein Turbocharger Coolant Line
    Rein CHT0687 Turbo Coolant Line
    Special Price $49.99 Regular Price $70.99
    Out of stock
  36. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2001-2006 Audi A4 1.8L L4
    Special Price $52.02 Regular Price $73.99
    Out of stock
  37. Rein Turbocharger Coolant Line
    Rein Supply Turbo Coolant Line for 2000-2005 Volkswagen Passat 1.8L L4
    Special Price $52.02 Regular Price $73.99
    Out of stock
  38. Rein Turbocharger Coolant Line
    Rein CHT0725 Turbo Coolant Line
    Special Price $52.16 Regular Price $74.99
    Out of stock
  39. Rein Turbocharger Coolant Line
    Rein CHU0746 Turbo Coolant Line
    Special Price $54.13 Regular Price $76.99
  40. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2016-2018 BMW X5 2.0L L4
    Special Price $60.07 Regular Price $85.99
  41. 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
  42. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2018 BMW 320i 2.0L L4
    Special Price $60.07 Regular Price $85.99
  43. Rein Turbocharger Coolant Line
    Rein Return Turbo Coolant Line for 2012-2015 BMW X1 2.0L L4
    Special Price $60.07 Regular Price $85.99
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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.