Description
The EM-5987H Left-Hand (LH) Hydraulic Engine Mount is a premium OEM-spec replacement part designed to suit the Audi A6 C6 series with 2.4L, 2.8L, 3.0L, and 3.2L V6 petrol engines. Manufactured by Boonma, a trusted supplier of precision automotive components, this mount is engineered to deliver the strength, vibration isolation, and precise fitment required to maintain the smooth, refined driving experience that Audi owners expect.
⚙️ Purpose & Function
Engine mounts are essential for securing the engine to the chassis while absorbing vibrations and shocks from both the road and the engine itself. The EM-5987H, positioned on the left-hand side, is a hydraulic mount, meaning it incorporates a fluid-filled chamber to provide superior damping compared to standard solid rubber mounts. This design is particularly effective in luxury sedans like the A6, where ride comfort and cabin quietness are priorities.
Its key functions include:
- Maintaining correct engine alignment
- Minimising noise, vibration, and harshness (NVH) in the cabin
- Protecting surrounding components from excessive engine movement
- Preserving drivetrain stability during acceleration, braking, and cornering
🧩 Compatibility & Fitment
The EM-5987H is designed for Audi A6 C6 (4F) models produced between approximately 2004 and 2011, covering:
- 2.4L V6 (BDW)
- 2.8L V6 FSI (BDX, CCEA)
- 3.0L V6 TFSI (select variants)
- 3.2L V6 FSI (AUK, BKH)
Some models may have variations depending on transmission type or year, so visual confirmation or a compatibility check is recommended before purchase.
🛠️ Construction & Materials
Boonma’s EM-5987H features:
- Reinforced rubber compound for durability and resistance to heat, oil, and mechanical fatigue
- Hydraulic fluid chamber for enhanced vibration damping
- Precision-engineered steel housing for strength and secure mounting
This robust construction ensures the mount can handle the torque and load demands of Audi’s V6 engines while maintaining comfort and stability.
🚗 Performance Benefits
Replacing a worn LH engine mount with the EM-5987H offers:
- Restored ride comfort by reducing cabin vibration and noise
- Improved drivetrain stability for smoother gear changes and acceleration
- Protection for connected systems such as exhaust, transmission, and cooling components
- Preservation of handling precision by keeping the engine correctly positioned
🧰 Installation & Maintenance
While experienced DIYers can install the EM-5987H, professional fitting is recommended to ensure correct torque settings and alignment. For balanced performance, replacing both left and right mounts together is advisable.
In summary, the EM-5987H LH Hydraulic Engine Mount is a dependable, OEM-quality solution for Audi A6 2.4L, 2.8L, 3.0L, and 3.2L owners seeking to maintain comfort, performance, and reliability.






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