OE Quality
60-Day Returns

Rein EPK0030 Engine Coolant Reservoir Kit
Overview of Rein Engine Coolant Reservoir Kit EPK0030
The Rein Engine Coolant Reservoir Kit EPK0030 is designed specifically for select Audi and Volkswagen models, including the A3, Golf, Jetta, Passat, and Tiguan. This expansion tank kit ensures reliable coolant containment and system performance under demanding heat cycles.
- Includes sensor (if applicable) and cap for complete installation
- Manufactured from virgin plastic that meets or exceeds original equipment specifications
- Resistant to cracking and wear caused by repeated heat cycles
- Direct fitment for easy replacement on compatible vehicles
Product Details and Specifications
This Rein expansion tank kit is engineered to handle the thermal stresses typical in engine cooling systems. The use of high-quality virgin plastic material provides durability and longevity, reducing the risk of coolant leaks due to cracking or deformation. The kit includes all necessary components such as the sensor and cap, ensuring a straightforward installation process. With dimensions approximately 7.5 inches in length and width and 7 inches in height, this reservoir fits precisely within the engine bay of compatible Audi and Volkswagen models.
Compatible Vehicles and Applications
This engine coolant reservoir kit is compatible with a range of Audi and Volkswagen vehicles, including:
- Audi A3, A3 Quattro, TT, TT Quattro, TTS Quattro
- Volkswagen Beetle, CC, Eos, Golf, Golf R, GTI, Jetta, Passat, Passat CC, R32, Tiguan
Designed for application-specific fitment, the Rein EPK0030 ensures proper integration with the cooling system of these models.
Common Issues Addressed by This Expansion Tank Kit
- Cracks or leaks in the original coolant reservoir
- Coolant loss due to reservoir cap failure
- Sensor malfunctions affecting coolant level monitoring
- Wear and degradation from heat cycling over time
- Difficulty in installation due to non-OE replacement parts
Installation Notes and Tips
The Rein EPK0030 is designed for direct fitment, allowing for a straightforward replacement process. It is recommended to drain the coolant system before removal of the old reservoir. Ensure all connections, including the sensor and cap, are securely installed to prevent leaks. Verify coolant levels and system pressure after installation to confirm proper operation.
Quality Assurance and Warranty
Rein expansion tanks are produced to meet or exceed original equipment standards, using virgin plastic materials for enhanced durability. This product is resistant to cracking and wear from heat cycles, contributing to long-term reliability. While specific warranty details may vary, Rein products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Rein |
| Part Number | EPK0030 |
| Application Type | ApplicationSpecific |
| Container Type | BX |
| Country of Origin | CN |
| Item Height | 7.0000 |
| Item Length | 7.5000 |
| Item Level GTIN | 843266077917 |
| Item Qty | 1 |
| Item UOM | EA |
| Item Weight | 0.7150 |
| Item Weight Unit UOM | LB |
| Item Width | 7.5000 |
| Link to Manufacturer Page | www.reinautomotive.com |
| Product Desc Extended 240 | Rein OE Quality expansion tanks are designed to handle heat cycles and resist cracking. These tanks are produced from virgin plastic with no regrind to ensure durability. Rein expansion tank kits include the OE cap sensor (if applicable). |
| Product Desc Invoice 40 | Rein Expansion Tank Kit |
| Product Desc Long 80 | Rein OE Quality Expansion Tank Kit |
| Product Desc Short 20 | Expansion Tank Kit |
This part fits 173 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2018 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2018 | Volkswagen | Jetta | 2.0L | L4 | N/A | |||
| 2018 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2017 | Volkswagen | Beetle | 1.8L | L4 | N/A | To 5/31/17 | ||
| 2017 | Volkswagen | Beetle | 2.0L | L4 | N/A | To 5/31/17 | ||
| 2017 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2017 | Volkswagen | CC | 3.6L | V6 | N/A | |||
| 2017 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2017 | Volkswagen | Jetta | 2.0L | L4 | N/A | |||
| 2017 | Volkswagen | Passat | 1.8L | L4 | N/A | |||
| 2017 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2016 | Volkswagen | Beetle | 1.8L | L4 | N/A | |||
| 2016 | Volkswagen | Beetle | 2.0L | L4 | N/A | |||
| 2016 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2016 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2016 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2016 | Volkswagen | Jetta | 1.8L | L4 | N/A | |||
| 2016 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2016 | Volkswagen | Passat | 1.8L | L4 | N/A | |||
| 2016 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2016 | Volkswagen | Tiguan | 2.0L | L4 | N/A | |||
| 2015 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2015 | Audi | TTS Quattro | 2.0L | L4 | N/A | |||
| 2015 | Volkswagen | Beetle | 1.8L | L4 | N/A | |||
| 2015 | Volkswagen | Beetle | 2.0L | L4 | DIESEL | N/A | ||
| 2015 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | ||
| 2015 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2015 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2015 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2015 | Volkswagen | Jetta | 1.8L | L4 | N/A | |||
| 2015 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2015 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2015 | Volkswagen | Passat | 1.8L | L4 | N/A | |||
| 2015 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | ||
| 2015 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2014 | Audi | TT | 2.0L | L4 | N/A | |||
| 2014 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2014 | Audi | TTS Quattro | 2.0L | L4 | N/A | |||
| 2014 | Volkswagen | Beetle | 1.8L | L4 | N/A | |||
| 2014 | Volkswagen | Beetle | 2.0L | L4 | DIESEL | N/A | ||
| 2014 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | ||
| 2014 | Volkswagen | Beetle | 2.5L | L5 | N/A | |||
| 2014 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2014 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2014 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | ||
| 2014 | Volkswagen | Golf | 2.5L | L5 | N/A | |||
| 2014 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2014 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2014 | Volkswagen | Jetta | 1.8L | L4 | N/A | |||
| 2014 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2014 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2014 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2014 | Volkswagen | Passat | 1.8L | L4 | N/A | |||
| 2014 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | ||
| 2014 | Volkswagen | Passat | 2.5L | L5 | N/A | |||
| 2014 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2013 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | ||
| 2013 | Audi | A3 | 2.0L | L4 | GAS | N/A | ||
| 2013 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2013 | Audi | TT | 2.0L | L4 | N/A | |||
| 2013 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2013 | Audi | TTS Quattro | 2.0L | L4 | N/A | |||
| 2013 | Volkswagen | Beetle | 2.0L | L4 | DIESEL | N/A | ||
| 2013 | Volkswagen | Beetle | 2.0L | L4 | GAS | N/A | ||
| 2013 | Volkswagen | Beetle | 2.5L | L5 | N/A | |||
| 2013 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2013 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2013 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | ||
| 2013 | Volkswagen | Golf | 2.0L | L4 | GAS | N/A | ||
| 2013 | Volkswagen | Golf | 2.5L | L5 | N/A | |||
| 2013 | Volkswagen | Golf R | 2.0L | L4 | N/A | |||
| 2013 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2013 | Volkswagen | Jetta | 1.4L | L4 | N/A | |||
| 2013 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2013 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2013 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2013 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | ||
| 2013 | Volkswagen | Passat | 2.5L | L5 | N/A | |||
| 2013 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2012 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | ||
| 2012 | Audi | A3 | 2.0L | L4 | GAS | N/A | ||
| 2012 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2012 | Audi | TT | 2.0L | L4 | N/A | |||
| 2012 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | Beetle | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | Beetle | 2.5L | L5 | N/A | |||
| 2012 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | ||
| 2012 | Volkswagen | Golf | 2.5L | L5 | N/A | |||
| 2012 | Volkswagen | Golf R | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2012 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2012 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2012 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2012 | Volkswagen | Passat | 2.0L | L4 | DIESEL | N/A | ||
| 2012 | Volkswagen | Passat | 2.5L | L5 | N/A | |||
| 2012 | Volkswagen | Passat | 3.6L | V6 | N/A | |||
| 2011 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | ||
| 2011 | Audi | A3 | 2.0L | L4 | GAS | N/A | ||
| 2011 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2011 | Audi | TT | 2.0L | L4 | N/A | |||
| 2011 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2011 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2011 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2011 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | ||
| 2011 | Volkswagen | Golf | 2.5L | L5 | N/A | |||
| 2011 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2011 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2011 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2011 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2010 | Audi | A3 | 2.0L | L4 | DIESEL | N/A | ||
| 2010 | Audi | A3 | 2.0L | L4 | GAS | N/A | ||
| 2010 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2010 | Audi | TT | 2.0L | L4 | N/A | |||
| 2010 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2010 | Audi | TTS Quattro | 2.0L | L4 | N/A | |||
| 2010 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2010 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2010 | Volkswagen | Golf | 2.0L | L4 | DIESEL | N/A | ||
| 2010 | Volkswagen | Golf | 2.5L | L5 | N/A | |||
| 2010 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2010 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2010 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2010 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2010 | Volkswagen | Passat | 2.0L | L4 | N/A | |||
| 2010 | Volkswagen | Passat CC | 2.0L | L4 | N/A | |||
| 2009 | Audi | A3 | 2.0L | L4 | N/A | |||
| 2009 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2009 | Audi | A3 Quattro | 3.2L | V6 | N/A | |||
| 2009 | Audi | TT | 2.0L | L4 | N/A | |||
| 2009 | Audi | TT Quattro | 2.0L | L4 | N/A | |||
| 2009 | Audi | TT Quattro | 3.2L | V6 | N/A | |||
| 2009 | Audi | TTS Quattro | 2.0L | L4 | N/A | |||
| 2009 | Volkswagen | CC | 2.0L | L4 | N/A | |||
| 2009 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2009 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2009 | Volkswagen | Jetta | 2.0L | L4 | DIESEL | N/A | ||
| 2009 | Volkswagen | Jetta | 2.0L | L4 | GAS | N/A | ||
| 2009 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2009 | Volkswagen | Passat | 2.0L | L4 | N/A | |||
| 2009 | Volkswagen | Passat CC | 2.0L | L4 | N/A | |||
| 2008 | Audi | A3 | 2.0L | L4 | N/A | |||
| 2008 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2008 | Audi | A3 Quattro | 3.2L | V6 | N/A | |||
| 2008 | Audi | TT | 2.0L | L4 | N/A | |||
| 2008 | Audi | TT Quattro | 3.2L | V6 | N/A | |||
| 2008 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2008 | Volkswagen | Eos | 3.2L | V6 | N/A | |||
| 2008 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2008 | Volkswagen | Jetta | 2.0L | L4 | N/A | |||
| 2008 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2008 | Volkswagen | Passat | 2.0L | L4 | N/A | |||
| 2008 | Volkswagen | R32 | 3.2L | V6 | N/A | |||
| 2007 | Audi | A3 | 2.0L | L4 | N/A | |||
| 2007 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2007 | Audi | A3 Quattro | 3.2L | V6 | N/A | |||
| 2007 | Volkswagen | Eos | 2.0L | L4 | N/A | |||
| 2007 | Volkswagen | Eos | 3.2L | V6 | N/A | |||
| 2007 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2007 | Volkswagen | Jetta | 2.0L | L4 | N/A | |||
| 2007 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2007 | Volkswagen | Passat | 2.0L | L4 | N/A | |||
| 2006 | Audi | A3 | 2.0L | L4 | N/A | |||
| 2006 | Audi | A3 Quattro | 2.0L | L4 | N/A | |||
| 2006 | Audi | A3 Quattro | 3.2L | V6 | N/A | |||
| 2006 | Volkswagen | GTI | 2.0L | L4 | N/A | |||
| 2006 | Volkswagen | Jetta | 1.9L | L4 | DIESEL | N/A | ||
| 2006 | Volkswagen | Jetta | 2.0L | L4 | N/A | |||
| 2006 | Volkswagen | Jetta | 2.5L | L5 | N/A | |||
| 2006 | Volkswagen | Passat | 2.0L | L4 | N/A | |||
| 2005 | Volkswagen | Jetta | Sedan | 1.9L | L4 | DIESEL | N/A | |
| 2005 | Volkswagen | Jetta | 2.5L | L5 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.