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Rein Walker E3 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 Turbocharger Intercooler Hose
    Rein Left Turbo Intercooler Hose for 2012-2015 Mercedes-Benz C250 1.8L L4
    Special Price $96.35 Regular Price $137.99
    Rein Auto Parts
  2. Rein Secondary Air Injection Solenoid
    2 pc Rein Secondary Air Injection Solenoids for 2020 Audi A6 allroad 3.0L V6
    Special Price $103.17 Regular Price $146.99
    Rein Auto Parts
  3. Rein Secondary Air Injection Solenoid
    2 pc Rein Secondary Air Injection Solenoids for 2002-2020 Audi A6 Quattro 3.0L 3.2L V6
    Special Price $103.17 Regular Price $146.99
    Rein Auto Parts
  4. Rein Secondary Air Injection Solenoid
    2 pc Rein Secondary Air Injection Solenoids for 2009-2017 Audi Q5 3.0L 3.2L V6
    Special Price $103.17 Regular Price $146.99
    Rein Auto Parts
  5. Rein Turbocharger Intercooler Hose
    Rein Left Turbo Intercooler Hose for 2010-2018 Mercedes-Benz Sprinter 3500 3.0L V6
    Special Price $105.63 Regular Price $150.99
    Rein Auto Parts
  6. Rein Engine Oil Separator
    Rein ABH0269 Oil Separator
    Special Price $108.33 Regular Price $154.99
    Rein Auto Parts
  7. Rein Engine Oil Pan Kit
    Rein Lower Oil Pan Kit for 2017-2019 Volkswagen Golf Alltrack 1.8L L4
    Special Price $111.82 Regular Price $159.99
    Rein Auto Parts
  8. Rein Engine Oil Pan Kit
    Rein Lower Oil Pan Kit for 2016-2023 Audi TT Quattro 2.0L L4
    Special Price $111.82 Regular Price $159.99
    Rein Auto Parts
  9. Rein Engine Oil Pan Kit
    Rein Lower Oil Pan Kit for 2015-2018 Volkswagen Golf 1.8L L4
    Special Price $111.82 Regular Price $159.99
    Rein Auto Parts
  10. Rein Engine Oil Pan Kit
    Rein Lower Oil Pan Kit for 2015-2020 Audi A3 1.8L 2.0L L4
    Special Price $114.11 Regular Price $162.99
    Rein Auto Parts
  11. Rein Engine Oil Pan Kit
    Rein Lower Oil Pan Kit for 2015-2017 Volkswagen GTI 2.0L L4
    Special Price $114.11 Regular Price $162.99
    Rein Auto Parts
  12. Rein Engine Timing Cover
    Rein Lower Timing Cover for 2018-2023 Volkswagen Atlas 2.0L L4
    Special Price $125.96 Regular Price $179.99
    Rein Auto Parts
  13. Rein Engine Mount
    Rein AVE0382P Mount
    Special Price $126.73 Regular Price $180.99
    Rein Auto Parts
    Out of stock
  14. Rein Engine Oil Pan Kit
    Rein Oil Pan Kit for 2011-2015 Volkswagen Jetta 2.0L L4
    Special Price $130.79 Regular Price $186.99
    Rein Auto Parts
  15. Rein Engine Oil Separator
    Rein Oil Separator for 2011-2015 Volkswagen Touareg 3.0L V6
    Special Price $135.85 Regular Price $193.99
    Rein Auto Parts
  16. Rein Engine Oil Separator
    Rein Oil Separator for 2013-2017 Audi Q5 3.0L V6
    Special Price $141.02 Regular Price $200.99
    Rein Auto Parts
  17. Rein Engine Oil Separator
    Rein Oil Separator for 2012 Audi A6 Quattro 3.0L V6
    Special Price $141.02 Regular Price $200.99
    Rein Auto Parts
  18. Rein Engine Crankcase Breather Hose
    Rein Valve Cover To Intake Crankcase Breather Hose for 2013-2015 BMW Alpina B7L 4.4L V8
    Special Price $201.56 Regular Price $287.99
    Rein Auto Parts
  19. Rein Engine Valve Cover
    Rein Valve Cover for 2012-2018 BMW 320i 2.0L L4
    Special Price $283.48 Regular Price $404.99
    Rein Auto Parts
  20. Rein Engine Valve Cover
    Rein Valve Cover for 2012-2016 BMW Z4 2.0L L4
    Special Price $283.48 Regular Price $404.99
    Rein Auto Parts
  21. Rein Engine Valve Cover
    Rein Valve Cover for 2014-2016 BMW 428i 2.0L L4
    Special Price $283.48 Regular Price $404.99
    Rein Auto Parts
  22. Rein Engine Valve Cover
    Rein Valve Cover for 2015-2016 BMW 228i xDrive 2.0L L4
    Special Price $283.48 Regular Price $404.99
    Rein Auto Parts
  23. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2013-2017 BMW X3 2.0L L4
    Special Price $353.27 Regular Price $504.99
    Rein Auto Parts
    Out of stock
  24. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2012-2018 BMW 320i 2.0L L4
    Special Price $353.27 Regular Price $504.99
    Rein Auto Parts
    Out of stock
  25. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2013-2016 BMW 328i xDrive 2.0L L4
    Special Price $353.27 Regular Price $504.99
    Rein Auto Parts
    Out of stock
  26. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2008 BMW 528xi 3.0L L6
    Special Price $360.45 Regular Price $514.99
    Rein Auto Parts
    Out of stock
  27. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2014-2016 BMW 428i 2.0L L4
    Special Price $360.48 Regular Price $514.99
    Rein Auto Parts
    Out of stock
  28. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2014-2016 BMW 328i GT xDrive 2.0L L4
    Special Price $360.48 Regular Price $514.99
    Rein Auto Parts
    Out of stock
  29. Rein Engine Valve Cover Kit
    Rein Valve Cover Kit for 2015-2016 BMW 428i xDrive Gran Coupe 2.0L L4
    Special Price $360.48 Regular Price $514.99
    Rein Auto Parts
    Out of stock
  30. Rein Engine Timing Chain Kit
    Rein CKS0229 Timing Chain Kit
    Special Price $525.73 Regular Price $750.99
    Rein Auto Parts
  31. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2016 Audi A4 allroad 2.0L L4
    Special Price $585.09 Regular Price $835.99
    Rein Auto Parts
  32. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2017-2018 Volkswagen Tiguan Limited 2.0L L4
    Special Price $585.09 Regular Price $835.99
    Rein Auto Parts
  33. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2017 Volkswagen CC 2.0L L4
    Special Price $585.09 Regular Price $835.99
    Rein Auto Parts
  34. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2017 Audi A5 Quattro 2.0L L4
    Special Price $585.09 Regular Price $835.99
    Rein Auto Parts
  35. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2010 Volkswagen Passat CC 2.0L L4
    Special Price $587.48 Regular Price $838.99
    Rein Auto Parts
  36. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2008-2013 Volkswagen Jetta 2.0L L4
    Special Price $587.48 Regular Price $838.99
    Rein Auto Parts
  37. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2009-2013 Audi TT Quattro 2.0L L4
    Special Price $587.48 Regular Price $838.99
    Rein Auto Parts
  38. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2009 Audi TT 2.0L L4
    Special Price $587.48 Regular Price $838.99
    Rein Auto Parts
  39. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2016 Volkswagen Eos 2.0L L4
    Special Price $597.03 Regular Price $852.99
    Rein Auto Parts
  40. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2015 Audi TT Quattro 2.0L L4
    Special Price $597.03 Regular Price $852.99
    Rein Auto Parts
  41. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013-2016 Audi A4 2.0L L4
    Special Price $597.03 Regular Price $852.99
    Rein Auto Parts
  42. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2015-2018 Audi Q3 2.0L L4
    Special Price $597.03 Regular Price $852.99
    Rein Auto Parts
  43. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2010-2014 Volkswagen GTI 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
  44. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2012-2013 Audi A6 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
  45. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2013 Audi A4 allroad 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
  46. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2009-2013 Audi A3 Quattro 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
  47. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2008-2010 Volkswagen Passat 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
  48. Rein Engine Timing Chain Kit
    Rein Timing Chain Kit for 2009-2013 Audi A3 2.0L L4
    Special Price $599.47 Regular Price $855.99
    Rein Auto Parts
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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. 

Filter By Part Details
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  1. Brand
    Rein
  2. Brand
    Walker
  3. Brand
    E3
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Category
Part Type
  1. EGR Tube Clamp 4items
  2. Engine Air Intake Hose 23items
  3. Engine Block Drain Plug 2items
  4. Engine Camshaft Position Sensor Bolt 13items
  5. Engine Crankcase Breather Hose 335items
  6. Engine Crankcase Breather Hose Kit 18items
  7. Engine Crankshaft Pulley Bolt 16items
  8. Engine Crankshaft Seal Housing Bolt 39items
  9. Engine Cylinder Head Bolt Set 20items
  10. Engine Intake Manifold Bracket Bolt 3items
  11. Engine Intake Manifold Runner Solenoid 22items
  12. Engine Mount 84items
  13. Engine Mount Bolt 34items
  14. Engine Mount Bracket Bolt 4items
  15. Engine Mount Bracket Bolt Set 20items
  16. Engine Mount Bushing 7items
  17. Engine Mount Solenoid 1item
  18. Engine Oil Dipstick Tube Bolt 3items
  19. Engine Oil Drain Plug 123items
  20. Engine Oil Filler Cap 362items
  21. Engine Oil Filter Housing 10items
  22. Engine Oil Pan Bolt Kit 51items
  23. Engine Oil Pan Kit 58items
  24. Engine Oil Passage Screw Plug 2items
  25. Engine Oil Pump Bolt 10items
  26. Engine Oil Separator 53items
  27. Engine Oil Separator Cover 39items
  28. Engine Timing Belt Idler Pulley Bolt 12items
  29. Engine Timing Chain Kit 40items
  30. Engine Timing Cover 79items
  31. Engine Timing Cover Bolt 5items
  32. Engine Valve Cover 31items
  33. Engine Valve Cover Kit 31items
  34. Engine Valve Cover Plug 7items
  35. Exhaust Bolt 2items
  36. Exhaust Clamp 28items
  37. Exhaust Gas Recirculation (EGR) Tube Clamp 1item
  38. Exhaust Heat Shield Bolt 2items
  39. Exhaust Manifold Heat Shield Bolt 2items
  40. Exhaust Manifold Stud 34items
  41. Exhaust Muffler Clamp 160items
  42. Exhaust System Hanger 67items
  43. Exhaust Tail Pipe Clamp 4items
  44. Fuel Injection Air Flow Meter Boot 21items
  45. Fuel Injection Idle Air Control Valve Hose 8items
  46. Gas Cap 190items
  47. Ignition Coil Bolt 6items
  48. Intercooler Hose 5items
  49. Intercooler Mount 44items
  50. Secondary Air Injection Hose 9items
  51. Secondary Air Injection Pump Hose 12items
  52. Secondary Air Injection Solenoid 43items
  53. Throttle Body Boot 17items
  54. Turbocharger Coolant Line 151items
  55. Turbocharger Coolant Pipe Plug 20items
  56. Turbocharger Intercooler Hose 15items
  57. Turbocharger Intercooler Pipe Bolt 1item
  58. Turbocharger Mounting Bolt 8items
  59. Turbocharger Oil Line Bolt 8items
  60. Turbocharger Oil Return Line 64items
  61. Turbocharger Oil Supply Line 25items
  62. Turbocharger Stud 22items
  63. Vacuum Hose 95items
  64. Vacuum Line 17items
Price
$
-
Pack Size
  1. 1 2213items
  2. 2 270items
  3. 3 28items
  4. 4 72items
  5. 5 7items
  6. 6 37items
  7. 7 14items
  8. 8 1item
Part Placement
  1. Air Pump To Valve 11items
  2. Aux Pump To Filter 3items
  3. Aux Pump To Turbo 3items
  4. Block To Turbo Upper 2items
  5. Center 49items
  6. Duct To Duct 2items
  7. Front 23items
  8. Front Left 9items
  9. Front Pipe 22items
  10. Front Pipe Forward 2items
  11. Front Pipe Lower 18items
  12. Front Pipe Lower Rear 2items
  13. Front Right 9items
  14. Left 10items
  15. Lower 95items
  16. Oil Separator To Intake 31items
  17. Pipe To Engine 3items
  18. Pump To Valve 4items
  19. Rear 128items
  20. Rear Left 3items
  21. Rear Muffler 16items
  22. Rear Muffler Left 4items
  23. Rear Right 2items
  24. Regulator To Dipstick Tube 17items
  25. Regulator To Filter 10items
  26. Regulator To Intake Manifold 10items
  27. Return 38items
  28. Return Turbo To Pipe 11items
  29. Right 1item
  30. Separator To Head Cover 16items
  31. Separator To Intake 16items
  32. Separator To Return 10items
  33. Supply 46items
  34. Supply Left 33items
  35. Turbo To Intercooler Hot 4items
  36. TurboTo Connect 3items
  37. Upper 105items
  38. Valve Cover Left To Intake 31items
  39. Valve Cover Right To Connect 31items
  40. Valve Cover To Hose 32items
  41. Valve Cover To Intake 18items
  42. Various 136items
Stock
  1. In Stock 1247items
  2. Out of Stock 1395items
free shipping on eligible items at sixityauto.com

FAST & FREE SHIPPING
On eligible items

At SixityAuto.com, we offer free shipping on thousands of eligible items. We also ship FAST. Over 99% of all items ordered will ship within one business day. Plus, we ship from our strategically located warehouses on the East and West Coast to save precious shipping time.

100% fitment guarantee at sixityauto.com

100% FITMENT GUARANTEE
Your parts will fit as advertised

Shop with confidence, knowing that your purchase from Sixity Auto will fit your vehicle. If after purchase you determine that your part does not fit the vehicle we advertised, simply contact us to initiate a return. We want your parts to fit!

5-star customer rated at sitejabber

RAVE REVIEWS
5-Star Rated on Sitejabber

Don't take it from us - check out our feedback from our customers! Sixity Auto has partnered with Sitejabber, the industry leader in tracking customer loyalty and feedback, to bring genuine product and customer service reviews.

Plus read thousands of authentic reviews on Trustpilot, Google, Reseller Ratings, the Better Business Bureau, and more!

call sixity auto 8am to 8pm Eastern, Monday through Friday

WE'RE HERE TO HELP
(888) 679-6279
Monday through Friday, 8am-8pm Eastern

We speak your language. Our staff has decades of experience selling auto parts to enthusiasts like you. Whether it's for your car, truck, or van, we have staff on hand that can answer your questions and make sure you get the part you're looking for.

For phone sales or help with product fitment questions, our U.S.-based customer service staff in California and Indiana is available weekdays, 8am-8pm ET.

tax exempt shopping available for businesses

BUILT FOR BUSINESS
Tax-exempt shopping available

Sixity Auto works with a wide range of business customers—from repair shops and dealerships to fleet operators, government organizations, and others that purchase parts for resale or operational use.

If you are a qualified tax-exempt or resale customer, submit your documentation and we'll set you up for tax-free shopping. Check out all the details here.

military members and vets save 10% every day

MILITARY DISCOUNT
Save 10% on every purchase

Sixity Auto is proud to support our Active-Duty Service Members, Vets, and their immediate families. To show a token of our thanks, we extend a 10% discount on your entire purchase, every single day.

We use VerifyPass (formerly ID Discount) to help us manage our Military Discount program. Click here for all the details!

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© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.

© 2026 Sixity, Inc. Part of Proximity Group, an American-owned and operated online retailer. All Rights Reserved.