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Bosch 66820 Direct Injection High Pressure Fuel Pump
Reliable High Pressure Fuel Pump for Mercedes-Benz AMG Models
The Bosch GDI High Pressure Pump (New) part number 66820 is designed specifically for select Mercedes-Benz AMG vehicles, including the CLA45 AMG, GLA45 AMG, and SLK55 AMG. This electric direct injection high pressure fuel pump ensures precise fuel delivery for optimal engine performance.
Key Features of Bosch GDI High Pressure Pump 66820
- Electric direct injection high pressure fuel pump
- Internal pump design for seamless integration
- Single outlet configuration
- New, not remanufactured, for reliable operation
- Compatible with Mercedes-Benz CLA45 AMG, GLA45 AMG, and SLK55 AMG
- No gaskets or mounting hardware included
- Sold as a single unit per vehicle
About the Bosch GDI High Pressure Pump (New) Product Line
The Bosch GDI High Pressure Pump (New) product line focuses on delivering precise fuel pressure control for gasoline direct injection systems. This line is engineered to meet the stringent requirements of modern high-performance engines, such as those found in Mercedes-Benz AMG models. The new pump design supports efficient fuel atomization and consistent pressure, contributing to improved combustion and engine responsiveness.
Detailed Product Description
This Bosch direct injection high pressure fuel pump (part number 66820) is an electric, internally mounted unit designed to replace the factory pump in compatible Mercedes-Benz AMG vehicles. Its internal configuration allows for a compact installation within the fuel system, maintaining factory fitment standards. The pump features a single outlet and is supplied as a new component, ensuring durability and performance without the concerns associated with remanufactured parts. While gaskets and mounting hardware are not included, the pump is engineered for straightforward replacement in the specified models.
Common Applications and Issues Addressed
- Restores proper fuel pressure in Mercedes-Benz CLA45 AMG, GLA45 AMG, and SLK55 AMG
- Resolves engine hesitation or stalling related to fuel delivery
- Eliminates rough idling caused by inconsistent fuel pressure
- Addresses fuel pump failure symptoms in direct injection systems
- Improves overall engine performance and fuel efficiency
Installation Notes and Tips
- Ensure compatibility with your specific Mercedes-Benz AMG model before installation
- Replacement requires removal of the internal fuel pump assembly
- Use appropriate safety precautions when working with fuel system components
- Inspect related fuel system parts for wear or damage during installation
- Professional installation is recommended to maintain system integrity
Quality Assurance and Warranty
Bosch manufactures this GDI High Pressure Pump (New) to meet OEM standards for fit, form, and function. The pump is supplied new and undergoes quality control testing to ensure reliable operation. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.
| Brand | Bosch |
|---|---|
| Part Number | 66820 |
| Position | GDI High Pressure Pump (New) |
| Cases Per Pallet (ORLY) | 108 |
| Electric Or Mechanical | Electric |
| Gaskets Included (Fuel Pump) | No |
| In Tank Or External | Internal |
| Mounting Hardware Included | No |
| New Or Remanufactured | New |
| Package Contents | 1 High Pressure Pump |
| Unit(s) per Car Qty (ORLY) | 1 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2019 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2018 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2018 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2017 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2017 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2016 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2016 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2016 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Right Side Tank; GDI High Pressure Pump (New) |
| 2015 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2015 | Mercedes-Benz | GLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2015 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Right Side Tank; GDI High Pressure Pump (New) |
| 2014 | Mercedes-Benz | CLA45 AMG | 2.0L | L4 | N/A | GDI High Pressure Pump (New) |
| 2014 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Right Side Tank; GDI High Pressure Pump (New) |
| 2013 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Right Side Tank; GDI High Pressure Pump (New) |
| 2012 | Mercedes-Benz | SLK55 AMG | 5.5L | V8 | N/A | Right Side Tank; GDI High Pressure Pump (New) |
* 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.