OE Quality
60-Day Returns

MasterPro A4049 Engine Mount - Front Upper or Right Upper
Reliable Front Upper Engine Mount for Infiniti and Mercedes-Benz
The MasterPro MRC Mounts A4049 engine mount is designed to provide stable and durable support for the front upper position of your vehicle's engine. Engineered to meet or exceed original equipment manufacturer specifications, this solid steel mount ensures consistent performance for select Infiniti and Mercedes-Benz models.
- Solid steel mount construction with rubber bushing for vibration dampening
- Front upper mounting position with three mounting holes for secure fitment
- Black rubber bushing paired with silver housing and bracket for corrosion resistance
- OEM replacement grade designed to meet or exceed original equipment standards
- Compatible with Infiniti QX30 and Mercedes-Benz B250, CLA250, CLA45 AMG, GLA250, and GLA45 AMG models
- Includes mounting bracket but does not include mounting hardware or heat shield
About the MRC Mounts Product Line
The MRC Mounts line by MasterPro focuses on delivering reliable engine mounting solutions that align with OEM specifications. This product line emphasizes solid mount types constructed from durable steel and rubber components to provide effective vibration isolation and engine stability. The A4049 engine mount is part of this line, offering a standard replacement option for front upper engine mounting positions on select luxury vehicles.
Product Details and Specifications
The MasterPro MRC Mounts A4049 engine mount features a solid steel body with a black rubber bushing designed to absorb engine vibrations and reduce noise. The mount is finished with a silver-colored housing and bracket, enhancing corrosion resistance and durability. It is designed for the front upper mounting position and includes three mounting holes to ensure a secure and precise fit. This mount does not come with mounting hardware or a heat shield but includes the mounting bracket necessary for installation.
Common Applications and Problem Solving
- Reduces excessive engine vibration and noise in Infiniti QX30 and Mercedes-Benz CLA250 models
- Prevents engine misalignment and movement that can cause drivetrain issues
- Addresses wear and tear from engine torque and road conditions
- Replaces worn or damaged front upper engine mounts to restore vehicle stability
- Helps maintain proper engine positioning to avoid premature component wear
Installation Notes and Tips
Installation of the MasterPro MRC Mounts A4049 engine mount requires removal of the old mount and proper alignment of the new mount in the front upper position. Since mounting hardware is not included, ensure you have the correct bolts and tools for your specific Infiniti or Mercedes-Benz model. It is recommended to follow vehicle-specific service manuals for torque specifications and installation procedures. Professional installation is advised to maintain safety and performance standards.
Quality Assurance and Warranty
This engine mount meets or exceeds original equipment manufacturer specifications, ensuring compatibility and durability. MasterPro provides a standard replacement grade product designed for reliable performance. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region and purchase source.
| Brand | MasterPro |
| Part Number | A4049 |
| Position | MRC Mounts, Front Upper and Right Upper |
| Bushing Color | Black |
| Stud Quantity | 0 |
| Mount Material | Steel |
| Mounting Position | Front upper |
| Bracket Color | Silver |
| Type | Solid |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Mounting Hole Quantity | 3 |
| Housing Color | Silver |
| Bushing Material | Rubber |
| Heat Shield Included | No |
| Mounting Bracket Included | Yes |
| INSTRUCTIONS INCLUDED | No |
| Meets or Exceeds Original Equipment Manu | Yes |
| Meets_or_Exceeds_Original_Equipment_Manufacture_Specifications | Yes |
| Mount Type | Oem replacement |
| Per Vehicle Quantity | 1 |
| Per_Vehicle_Quantity | 1 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | OEM Replacement; MRC Mounts |
| 2019 | INFINITI | QX30 | 2.0L | L4 | Right Upper | OEM Replacement; MRC Mounts |
| 2019 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2019 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2019 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | |
| 2019 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | Front Upper | |
| 2018 | INFINITI | QX30 | 2.0L | L4 | Right Upper | OEM Replacement; MRC Mounts |
| 2018 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2018 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2018 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | |
| 2018 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | Front Upper | |
| 2017 | INFINITI | QX30 | 2.0L | L4 | Right Upper | OEM Replacement; MRC Mounts |
| 2017 | Mercedes-Benz | B250 | 2.0L | L4 | Front Upper | OEM Replacement; MRC Mounts |
| 2017 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2017 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2017 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | |
| 2017 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | Front Upper | |
| 2016 | Mercedes-Benz | B250 | 2.0L | L4 | Front Upper | |
| 2016 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2016 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2016 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | |
| 2016 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | Front Upper | |
| 2015 | Mercedes-Benz | B250 | 2.0L | L4 | Front Upper | |
| 2015 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2015 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2015 | Mercedes-Benz | GLA250 | 2.0L | L4 | Front Upper | |
| 2015 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | Front Upper | |
| 2014 | Mercedes-Benz | B250 | 2.0L | L4 | Front Upper | |
| 2014 | Mercedes-Benz | CLA250 | 2.0L | L4 | Front Upper | |
| 2014 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | Front Upper | |
| 2013 | Mercedes-Benz | B250 | 2.0L | L4 | Front Upper |
* 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.