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. Rein Intercooler Mount
    Rein AVM0728 Intercooler Mount
    Special Price $4.99 Regular Price $6.99
  2. Rein Intercooler Mount
    Rein AVM0695 Intercooler Mount
    Special Price $6.67 Regular Price $9.99
    Out of stock
  3. Rein Intercooler Mount
    Rein AVM0696 Intercooler Mount
    Special Price $11.55 Regular Price $16.99
  4. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2015-2024 Volkswagen GTI 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  5. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2019-2022 Audi Q3 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  6. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2019-2023 Volkswagen Arteon 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  7. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2018-2023 Volkswagen Atlas 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  8. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2015-2019 Volkswagen Golf SportWagen 1.8L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  9. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2015-2024 Volkswagen Golf R 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  10. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2015-2020 Audi S3 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  11. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2009-2023 Audi TTS Quattro 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  12. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2013-2018 Volkswagen Golf 1.8L 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  13. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2009-2017 Volkswagen CC 2.0L L4
    Special Price $16.51 Regular Price $23.99
    Out of stock
  14. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2008-2009 Audi TT 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  15. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2010-2024 Audi A3 1.8L 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  16. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2005-2024 Volkswagen Jetta 1.8L 1.9L 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  17. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2009-2023 Audi TT Quattro 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  18. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2018-2024 Volkswagen Tiguan 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  19. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2014-2022 Volkswagen Passat 1.8L 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  20. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2015-2024 Audi A3 Quattro 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  21. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2017-2019 Volkswagen Golf Alltrack 1.8L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  22. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2009-2010 Volkswagen Passat CC 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  23. Rein Intercooler Mount
    2 pc Rein Lower Intercooler Mounts for 2014-2019 Volkswagen Beetle 1.8L 2.0L L4
    Special Price $16.85 Regular Price $23.99
    Out of stock
  24. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2013 Volkswagen Golf 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  25. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2014-2022 Volkswagen Passat 1.8L 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  26. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2005-2018 Volkswagen Jetta 1.8L 1.9L 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  27. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2009-2017 Volkswagen CC 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  28. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2009-2015 Audi TTS Quattro 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  29. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2014-2019 Volkswagen Beetle 1.8L 2.0L L4
    Special Price $20.32 Regular Price $28.99
    Out of stock
  30. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2008-2009 Audi TT 2.0L L4
    Special Price $20.74 Regular Price $29.99
    Out of stock
  31. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2009-2015 Audi TT Quattro 2.0L L4
    Special Price $20.74 Regular Price $29.99
    Out of stock
  32. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2009-2010 Volkswagen Passat CC 2.0L L4
    Special Price $20.74 Regular Price $29.99
    Out of stock
  33. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2010-2013 Audi A3 2.0L L4
    Special Price $20.74 Regular Price $29.99
    Out of stock
  34. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2017 Volkswagen Golf 1.8L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  35. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2017 Volkswagen Golf Alltrack 1.8L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  36. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2017 Volkswagen GTI 2.0L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  37. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2016-2018 Audi TTS Quattro 2.0L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  38. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2018 Audi A3 1.8L 2.0L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  39. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2017 Volkswagen Golf R 2.0L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  40. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2018 Audi A3 Quattro 2.0L L4
    Special Price $30.47 Regular Price $43.99
    Out of stock
  41. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2017 Volkswagen Golf SportWagen 1.8L L4
    Special Price $31.10 Regular Price $43.99
    Out of stock
  42. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2016-2018 Audi TT Quattro 2.0L L4
    Special Price $31.10 Regular Price $43.99
    Out of stock
  43. Rein Intercooler Mount
    2 pc Rein Upper Intercooler Mounts for 2015-2018 Audi S3 2.0L L4
    Special Price $31.10 Regular Price $43.99
    Out of stock
  44. Dorman Diesel Exhaust Fluid (DEF) Heater
    Dorman 904-394 Diesel Emissions Fluid DEF Heater
    Special Price $212.22 Regular Price $302.99
    Out of stock
  45. Bosch Diesel Exhaust Fluid (DEF) Heater
    Bosch F01C600251 Diesel Emissions Fluid DEF Heater
    Special Price $232.24 Regular Price $331.99
    Out of stock
  46. Dorman Diesel Exhaust Fluid (DEF) Heater
    Dorman 904-392 Diesel Emissions Fluid DEF Heater
    Special Price $241.23 Regular Price $344.99
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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.