1. Engine Cooling Components Deals
  2. sku: 21192095457452892
  3. REIN SX-6FFR

REIN SX-6FFR Coolant Reservoir Engine Rf Kit 2.0L L4

fits model: A5, Quattro. make: Audi. year: 2010–2017.

Sx-6ffr Rein Coolant Reservoir Kit For 2010-2017 Audi A5 Quattro 2.0l L4 Engine Rf

( Brand: Rein ), ( Manufacturer Part Number: SX-6FFR ), ( Ipn: C539 19-65 ), ( Placement On Vehicle: Belts Cooling Radiators Coolers ), ( Compatible Model: A5 Quattro ), ( Compatible Year: 2017 2016 2015 2014 2013 2012 2011 2010 ), ( Core Charge: Free No Core Charge ), ( Type: Engine Coolant Reservoir Kit ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Rein Engine Coolant Reservoir Kit )

Review REIN Coolant Reservoir Kit Audi 2.0l L4 Engine Rf fits QUATTRO A5 2010–2017

The **REIN SX-6FFR Coolant Reservoir Kit** is a meticulously engineered, high-performance replacement for the factory coolant reservoir on the **2010 2017 Audi A5 Quattro (8T) with the 2.0L TFSI L4 engine (RF)**, ensuring optimal cooling system efficiency, durability, and reliability. Designed to meet and exceed OEM specifications, this kit features a **high-quality, reinforced polycarbonate reservoir** with a **clear, tamper-proof cap** that prevents leaks, airlocks, and contamination while maintaining easy visual inspection of coolant levels. The reservoir is equipped with a **precision-machined overflow tube** and **reinforced mounting bracket**, eliminating the common issues of factory reservoirs such as cracking under thermal stress, warping, or premature failure often caused by the aggressive thermal cycling inherent in high-performance applications. The kit includes a **new gasket set**, ensuring a secure, leak-free seal between the reservoir and engine bay components, while the **stainless steel mounting hardware** resists corrosion and maintains structural integrity over extended use. Whether for routine maintenance, performance tuning, or addressing a failed OEM reservoir, this kit provides a **direct-fit, no-compromise solution** that restores factory reliability while offering enhanced durability for demanding driving conditions. Built to withstand the pressures and temperatures of modern turbocharged engines, the REIN SX-6FFR kit is an ideal choice for Audi enthusiasts seeking a long-lasting, hassle-free upgrade that aligns with the precision engineering expected from the brand.

### Pros and Cons of buying a Rein SX-6FFR Coolant Reservoir Kit for a 2010-2017 Audi A5 Quattro (2.0L L4 Engine, RF)

#### **Pros:**

1. **OEM Fitment and Quality** Rein is a reputable manufacturer that produces parts designed to meet or exceed OEM specifications. The SX-6FFR kit is specifically engineered for the 2.0L L4 engine in your Audi A5, ensuring proper fitment and compatibility with the cooling system.

2. **Durability and Performance** Rein parts are known for their robust construction, often using high-quality materials like reinforced plastic or metal components where necessary. This can help prevent leaks, cracks, or premature failure, which are common issues with aftermarket or low-quality replacements.

3. **Compatibility with Modern Cooling Systems** The 2.0L L4 engine in your Audi A5 uses a pressurized cooling system, and the Rein kit is designed to handle the pressures and temperatures associated with this setup. This reduces the risk of coolant leaks or system inefficiencies.

4. **Ease of Installation** The kit typically includes all necessary components (reservoir, cap, hoses, clamps, and sometimes gaskets) to replace the factory unit. Rein s designs are often straightforward, making installation accessible for those with basic mechanical skills or even for a professional mechanic.

5. **Compatibility with Aftermarket Coolants** The kit is designed to work seamlessly with modern synthetic coolants, including extended-life formulations, which are often recommended for Audi vehicles to prevent corrosion and extend the life of the cooling system.

6. **Warranty and Support** Rein offers warranties on their products, and their parts are widely available through reputable online retailers and automotive parts stores. This provides peace of mind in case of defects or issues post-installation.

7. **Preventative Maintenance** Replacing an aging or failing coolant reservoir can prevent coolant leaks, overheating, or damage to the water pump, thermostat, or radiator. The Rein kit is a reliable choice for maintaining the integrity of your cooling system.

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#### **Cons:**

1. **Cost** While Rein parts are high-quality, they are not typically the cheapest option on the market. The SX-6FFR kit may be more expensive than generic or lesser-known aftermarket alternatives. However, the investment is often justified by longevity and reliability.

2. **Potential for Overkill** If your current reservoir is still functional but showing signs of wear (e.g., cracks or leaks), some may argue that a full kit replacement is unnecessary unless the reservoir is completely failed. In such cases, a simple replacement of the reservoir alone (without the full kit) might suffice.

3. **Installation Complexity** While the kit is designed for ease of use, some Audi models (especially those with complex cooling system layouts or tight engine bays) may require careful handling during installation. Improper installation (e.g., overtightening clamps or misaligning hoses) could lead to leaks or damage.

4. **Compatibility with Non-Stock Coolants** If you are using a non-OEM coolant (e.g., a budget or non-synthetic blend), there is a slight risk that the Rein kit may not be fully optimized for it. However, this is more of a concern with the coolant itself than the reservoir.

5. **Availability of Parts** While Rein parts are widely available, some local auto parts stores may not stock them, requiring an online purchase. This could add to the total cost if shipping or expedited delivery is needed.

6. **Potential for Counterfeit Products** As with any aftermarket part, there is a risk of purchasing a counterfeit or low-quality imitation, especially from untrusted sellers. Always buy from reputable retailers (e.g., RockAuto, Amazon, or authorized dealers) to avoid this issue.

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### **Conclusion:**

The Rein SX-6FFR Coolant Reservoir Kit is an excellent choice for replacing the coolant reservoir in your 2010-2017 Audi A5 Quattro with a 2.0L L4 engine. Its OEM-level quality, durability, and compatibility with your vehicle s cooling system make it a reliable long-term solution. While it may be more expensive than generic alternatives, the trade-off in performance and longevity is well worth it, especially if your current reservoir is failing or showing signs of wear.

If your reservoir is still functional but leaking slightly, you might consider a simpler replacement (e.g., just the reservoir and cap) to save costs. However, if you are performing a full cooling system flush or addressing a known failure, the Rein kit is an ideal upgrade.

### **Recommendation:** **Buy the Rein SX-6FFR Coolant Reservoir Kit** if:

- Your current reservoir is cracked, leaking, or otherwise failing.

- You want a high-quality, long-lasting replacement that matches OEM standards.

- You are performing a cooling system service (e.g., flush, thermostat replacement, or water pump replacement).

- You prioritize reliability and are willing to invest in a premium part.

**Consider alternatives (e.g., a simpler reservoir replacement) if:**

- Your reservoir is still functional but showing minor wear (e.g., hairline cracks).

- You are on a tight budget and can find a compatible, high-quality reservoir elsewhere (e.g., from Mann, ACDelco, or another trusted brand).

- You are comfortable with a less expensive option and can monitor the reservoir for further issues.

Ultimately, the Rein kit is the safest and most future-proof choice for your Audi A5 s cooling system. Pair it with a high-quality coolant (e.g., Audi G12 or a compatible extended-life coolant) and follow proper installation procedures to ensure optimal performance.

Details:

Rein Coolant Reservoir Kit for 2010 - 2017 Audi A5 Quattro 2.0L L4 Engine rf: Status: In Stock.

part #: sx6ffr price

  • $68.09

specifications ocoosys:

  • for models: A5, Quattro
  • for makes: Audi
  • for years: 2010-2017
  • brand: Rein
  • mpn: Sx-6ffr
  • ipn: C539 19-65
  • placement on vehicle: Belts Cooling Radiators Coolers
  • compatible model: A5 Quattro
  • compatible year: 2017 2016 2015 2014 2013 2012 2011 2010
  • core charge: Free No Core Charge
  • type: Engine Coolant Reservoir Kit
  • universal fitment: Direct Replacement
  • bundle description: 1 Pc Genuine Rein Engine Coolant Reservoir Kit

seller ocoosys:

  • # reviews: 648321
  • rating: 99.6%
  • city: Indianapolis, Indiana

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offer ocoosys:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: April 22, 2026
  • quantity: 1

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

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  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

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  • type: Fixed
  • transit: 2-6 Days
  • service: Standard, Expedited
  • cost: $0.00
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for models: a5, quattro, for makes: audi, for years: 2010-2017, placement on vehicle: belts cooling radiators coolers, compatible model: a5 quattro, compatible year: 2017 2016 2015 2014 2013 2012 2011 2010, core charge: free no core charge, type: engine coolant reservoir kit, universal fitment: direct replacement, bundle description: 1 pc genuine rein engine coolant reservoir kit,
category: auto parts > car truck parts accessories > engine cooling components, sku: 21192095457452892,
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