Description
Product Overview
The A-Premium Air Conditioning Expansion Valve (model APAEV206) is engineered for Mercedes-Benz vehicles requiring a dependable thermal expansion component. Constructed from high‑grade aluminum, the valve offers excellent heat dissipation while remaining lightweight at just 6.7 ounces. It features FNPT inlet and outlet connections for a secure, leak‑free fit, and complies with OEM specifications (oe, oem). The compact dimensions (3.94 x 1.97 x 1.57 inches) allow easy integration into tight engine bays.
Usage
Designed for a broad range of Mercedes models—from the C‑Class to the E‑Class and AMG variants—this valve regulates refrigerant flow to maintain optimal cabin temperature. Ideal for both daily commuting and high‑performance driving, it performs reliably in varied climates. Installers and DIY enthusiasts will appreciate the straightforward replacement process, which requires only basic hand tools and no additional modifications.

Why Choose Us
A-Premium stands for precision engineering and rigorous quality control. Each valve undergoes thermal cycling tests to verify durability under extreme temperature fluctuations. Our one‑year unlimited‑mileage guarantee underscores confidence in product longevity. Additionally, the valve matches multiple OEM part numbers (EX 529509C, 2128300284), ensuring seamless compatibility and preserving vehicle resale value.
Key Features
- Aluminum construction for superior heat transfer and reduced weight
- FNPT inlet and outlet connections guarantee a tight seal
- OEM‑approved specifications ensure exact fit for Mercedes models
- Compact size simplifies installation in confined engine spaces
- One‑year unlimited‑mileage warranty for peace of mind
FAQ
Is this valve compatible with my 2014 Mercedes‑Benz E350?
Yes, the APAEV206 is listed as compatible with the 2014‑2015 E350, covering both 3.0L and 3.5L engine variants.
Do I need special tools to install the valve?
No special tools are required. Standard hand tools for removing the existing valve and tightening the FNPT connections are sufficient.
What does the one‑year unlimited‑mileage guarantee cover?
The guarantee covers any manufacturing defects and performance issues regardless of mileage, provided the valve is installed according to the manufacturer’s instructions.
Can I use this valve on a non‑Mercedes vehicle?
While the valve is optimized for Mercedes‑Benz applications, it may fit other vehicles with matching FNPT specifications. Verify fitment before purchase.
How does aluminum improve valve performance?
Aluminum’s high thermal conductivity helps dissipate heat quickly, maintaining accurate refrigerant flow and preventing overheating in the HVAC system.




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