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Bosch 66823 Direct Injection High Pressure Fuel Pump
| Brand | Bosch 66823 |
|---|---|
| Electric Or Mechanical | Electric |
| Gaskets Included (Fuel Pump) | No |
| In Tank Or External | Internal |
| In-Line Pump | N |
| Mounting Hardware Included | No |
| New Or Remanufactured | New |
| Outlet Quantity | 1 |
| Package Contents | 1 high pressure pump |
| Product line | GDI High Pressure Pump (New) |
| Fits | Mercedes-Benz · 12 vehicles |
OE-quality standards. Built on Bosch production lines and tested to rigorous original-equipment standards.
New pump design. A brand-new high-pressure fuel pump for direct injection systems.
Internal electric pump. Uses an electric, in-tank style layout with one outlet.
Cross-references 2700701600 for the same application. See all 1.
Bosch GDI High Pressure Fuel Pump for Mercedes-Benz
Bosch 66823 is a new direct injection high pressure fuel pump for gasoline direct injection systems. It is built for Mercedes-Benz GLA250 and CLA250 applications and follows Bosch production and testing standards used for original equipment fuel pumps.
The Bosch GDI High Pressure Pump (New) line focuses on OE-style fuel delivery performance for modern direct injection engines. Part number 66823 is engineered for internal mounting and electric operation, with a single outlet and no gasket or mounting hardware included.
- Direct injection high pressure fuel pump for GDI fuel systems
- Electric, internal pump design
- New, not remanufactured
- Single outlet configuration
- No gasket included
- No mounting hardware included
Built by Bosch using the same production lines and quality standards applied to its original equipment fuel pumps, this part is intended to restore proper high-pressure fuel delivery in direct injection engines. Bosch 66823 is a fitment-based replacement for Mercedes-Benz GLA250 and Mercedes-Benz CLA250 models listed below, making it a relevant choice when diagnosing fuel pressure loss or drivability concerns tied to the high-pressure side of the system. This part cross-references Bosch (e.g., 2700701600) for the same application.
Vehicle Fitment
- Fits 2015-2020 Mercedes-Benz GLA250, N/A
- Fits 2014-2019 Mercedes-Benz CLA250, N/A
Common Issues This Part May Address
- Low fuel rail pressure on direct injection engines
- Hard starting or extended cranking
- Fuel delivery faults that trigger drivability issues
- Loss of power under load related to high-pressure fuel supply
- Fuel system performance problems on Mercedes-Benz GLA250 and CLA250 models
Installation Notes
Confirm engine and fuel system compatibility before installation. Because this is an internal electric high pressure pump, access and replacement procedures should follow the vehicle service manual. Inspect related fuel system components, seals, and lines during service, and verify proper fuel pressure after installation.
Quality Assurance
Bosch manufactures this pump to the same quality standards used for its original equipment fuel pumps, with production and testing focused on long-term reliability. Bosch 66823 is a new component designed for consistent direct injection fuel delivery in Mercedes-Benz applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2019 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2019 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2018 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2018 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2017 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2017 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2016 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2016 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2015 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2015 | Mercedes-Benz | GLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
| 2014 | Mercedes-Benz | CLA250 | 2.0L | L4 | FLEX | N/A | GDI High Pressure Pump (New) |
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