Bosch 66823 Direct Injection High Pressure Fuel Pump

Overview of Bosch GDI High Pressure Pump (New) 66823

The Bosch GDI High Pressure Pump (New) part number 66823 is designed specifically for Mercedes-Benz CLA250 and GLA250 models. This electric, internal direct injection high pressure fuel pump ensures precise fuel delivery for optimal engine performance.

• Brand: Bosch
• Brand Line: GDI High Pressure Pump (New)
• Part Number: 66823
• Type: Direct Injection High Pressure Fuel Pump
• Electric operation
• Internal pump design (not in-line)
• Single outlet quantity
• New, not remanufactured
• Package includes one high pressure pump

About the Bosch GDI High Pressure Pump (New) Product Line

The Bosch GDI High Pressure Pump (New) product line focuses on delivering reliable and precise fuel pressure for gasoline direct injection systems. This line is engineered to meet the stringent requirements of modern fuel injection technology, providing consistent fuel flow and pressure to enhance combustion efficiency. The 66823 pump is a new unit designed to replace worn or failing pumps in compatible Mercedes-Benz vehicles.

Detailed Product Description

This Bosch direct injection high pressure fuel pump operates electrically and is mounted internally within the fuel system. It is not an in-line pump, which means it integrates directly with the vehicle’s fuel delivery system to maintain the high pressure needed for direct injection engines. The pump features a single outlet and does not include gaskets or mounting hardware, so ensure compatibility and proper installation procedures are followed. The pump is supplied new, ensuring no prior wear or performance degradation.

Common Applications and Issues Addressed

• Restores proper fuel pressure in Mercedes-Benz CLA250 and GLA250 direct injection engines
• Resolves engine hesitation or misfires caused by low fuel pressure
• Eliminates rough idling linked to fuel delivery inconsistencies
• Addresses fuel pump failure symptoms such as stalling or poor acceleration
• Prevents potential engine damage from inadequate fuel supply

Installation Notes and Tips

Installation requires removal of the existing internal high pressure fuel pump. Since mounting hardware and gaskets are not included, use OEM or compatible components to ensure a secure fit and proper sealing. Verify electrical connections are clean and secure to maintain pump operation. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and safety precautions when handling fuel system components.

Quality Assurance and Warranty

The Bosch GDI High Pressure Pump (New) 66823 is manufactured to meet OEM standards for fit, form, and function. As a new part, it provides reliable performance for Mercedes-Benz CLA250 and GLA250 models. Warranty coverage details should be confirmed with the parts provider or Bosch directly, as this product does not include installation hardware or gaskets.