Rein Holstein Delphi 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 Engine Oil Drain Plug
    Rein Oil Drain Plug for 1998-2015 Volkswagen Beetle 1.8L 1.9L 2.0L 2.5L L4 L5
    Special Price $10.97 Regular Price $15.99
  2. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 1998-2006 Audi A6 Quattro 2.7L 2.8L 3.0L 3.2L V6
    Special Price $10.97 Regular Price $15.99
  3. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 2004-2017 Volkswagen Touareg 3.2L 3.6L 4.9L 5.0L V10 V6
    Special Price $10.97 Regular Price $15.99
  4. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 1998-2006 Audi A6 2.8L 3.0L 3.2L V6
    Special Price $10.97 Regular Price $15.99
  5. Rein Vacuum Hose
    Rein Vacuum Hose for 1994-1999 Mercedes-Benz S600 6.0L V12
    Special Price $11.07 Regular Price $15.99
  6. Rein Vacuum Hose
    Rein Vacuum Hose for 1994-2002 Mercedes-Benz SL600 6.0L V12
    Special Price $11.07 Regular Price $15.99
  7. Rein Vacuum Hose
    Rein Vacuum Hose for 1998-2005 Mercedes-Benz CLK320 3.2L V6
    Special Price $11.07 Regular Price $15.99
  8. Rein Vacuum Hose
    Rein Vacuum Hose for 1996-2005 Mercedes-Benz E320 3.2L L6 V6
    Special Price $11.07 Regular Price $15.99
  9. Rein Vacuum Hose
    Rein Vacuum Hose for 1987-1993 Mercedes-Benz 300D 2.5L 3.0L L5 L6
    Special Price $11.07 Regular Price $15.99
  10. Rein Vacuum Hose
    Rein Vacuum Hose for 1994-1997 Mercedes-Benz E420 4.2L V8
    Special Price $11.07 Regular Price $15.99
  11. Rein Ignition Coil Bolt
    2 pc Rein Ignition Coil Bolts for 2002-2005 Volkswagen Jetta 1.8L 1.9L 2.0L L4
    Special Price $11.28 Regular Price $15.99
  12. Rein Ignition Coil Bolt
    2 pc Rein Ignition Coil Bolts for 1998-2005 Volkswagen Beetle 1.8L 1.9L 2.0L L4
    Special Price $11.28 Regular Price $15.99
  13. Rein Fuel Injection Air Flow Meter Boot
    Rein ABV0138 FI Air Flow Meter Boot
    Special Price $11.94 Regular Price $16.99
  14. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 2015-2019 Volkswagen Golf R 2.0L L4
    Special Price $12.77 Regular Price $17.99
  15. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 2018-2023 Audi A5 Quattro 2.0L L4
    Special Price $12.77 Regular Price $17.99
  16. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2018-2022 Mercedes-Benz Maybach S650 6.0L V12
    Special Price $12.98 Regular Price $18.99
    Out of stock
  17. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2008-2016 Mercedes-Benz GL550 4.7L 5.5L V8
    Special Price $12.98 Regular Price $18.99
    Out of stock
  18. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 1985-1993 Mercedes-Benz 500SEC 5.0L V8
    Special Price $12.98 Regular Price $18.99
    Out of stock
  19. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 2019-2023 Audi Q3 2.0L L4
    Special Price $13.04 Regular Price $18.99
  20. Rein Engine Oil Drain Plug
    Rein Oil Drain Plug for 2018-2023 Audi A5 Sportback 2.0L L4
    Special Price $13.04 Regular Price $18.99
  21. Rein Fuel Injection Idle Air Control Valve Hose
    Rein ABV0111P FI Idle Air Control Valve Hose
    Special Price $13.09 Regular Price $18.99
    Out of stock
  22. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2004-2005 BMW 545i 4.4L V8
    Special Price $13.21 Regular Price $18.99
  23. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 1996-2002 BMW Z3 1.9L 2.5L 2.8L 3.0L L4 L6
    Special Price $13.21 Regular Price $18.99
  24. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2000-2003 BMW M5 4.9L 5.0L V8
    Special Price $13.21 Regular Price $18.99
  25. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2012-2023 Mercedes-Benz E350 2.0L 3.5L L4 V6
    Special Price $13.25 Regular Price $18.99
    Out of stock
  26. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2000-2010 BMW X5 3.0L 4.4L 4.6L 4.8L L6 V8
    Special Price $13.48 Regular Price $18.99
  27. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2004-2006 Volkswagen Phaeton 4.2L V8
    Special Price $14.71 Regular Price $20.99
  28. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2013-2016 Audi A4 allroad 2.0L L4
    Special Price $14.71 Regular Price $20.99
  29. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2008-2013 Audi A5 2.0L 3.2L L4 V6
    Special Price $15.02 Regular Price $20.99
  30. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2002-2013 Audi A4 2.0L 3.0L 3.2L L4 V6
    Special Price $15.02 Regular Price $20.99
  31. 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
  32. Rein Engine Oil Filler Cap
    Rein CPL0046 Oil Filler Cap
    Special Price $15.41 Regular Price $21.99
    Out of stock
  33. 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
  34. 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
  35. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2011-2019 BMW 740i 3.0L L6
    Special Price $19.16 Regular Price $26.99
    Out of stock
  36. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2017-2019 BMW 740i xDrive 3.0L L6
    Special Price $19.16 Regular Price $26.99
    Out of stock
  37. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2013 BMW 135is 3.0L L6
    Special Price $19.16 Regular Price $26.99
    Out of stock
  38. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2012-2016 BMW ActiveHybrid 5 3.0L L6
    Special Price $19.16 Regular Price $26.99
    Out of stock
  39. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2013-2015 BMW ActiveHybrid 7 3.0L L6
    Special Price $19.56 Regular Price $27.99
    Out of stock
  40. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2020-2023 BMW M8 4.4L V8
    Special Price $19.56 Regular Price $27.99
    Out of stock
  41. Rein Throttle Body Boot
    Rein Throttle Body Boot for 2001-2003 BMW 525i 2.5L L6
    Special Price $21.16 Regular Price $29.99
  42. Rein Exhaust Muffler Clamp
    Rein EXC0026 Exhaust Muffler Clamp
    Special Price $22.55 Regular Price $31.99
  43. Rein Engine Oil Filler Cap
    Rein Oil Filler Cap for 2018-2020 Audi A5 Quattro 2.0L L4
    Special Price $22.92 Regular Price $32.99
    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


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