Bosch 66801 Direct Injection High Pressure Fuel Pump

Overview of Bosch GDI High Pressure Pump (New)

The Bosch GDI High Pressure Pump (New) is designed to deliver precise fuel pressure for direct injection systems in select BMW models. Engineered as an electric internal pump, this component ensures reliable fuel delivery for optimal engine performance.

• Brand: Bosch
• Brand Line: GDI High Pressure Pump (New)
• Part Number: 66801
• Type: Direct Injection High Pressure Fuel Pump
• Electric operation, internal mounting
• Single outlet configuration
• New, not remanufactured
• Package includes one high pressure pump

Product Line Details: Bosch GDI High Pressure Pump (New)

The Bosch GDI High Pressure Pump (New) line focuses on delivering high precision fuel pumps specifically designed for gasoline direct injection (GDI) systems. This product line emphasizes new, electric pumps that are internally mounted to provide consistent high pressure fuel delivery, supporting efficient combustion and engine responsiveness in compatible vehicles.

Detailed Product Description

This Bosch direct injection high pressure fuel pump is an electric, internally mounted unit designed for BMW vehicles including the 228i, 320i, 320i xDrive, 328i, 328i GT xDrive, 328i xDrive, 428i, 428i xDrive, 528i, 528i xDrive, X1, X3, and Z4 models. The pump features a single outlet and does not include gaskets or mounting hardware, allowing for integration with existing vehicle components. As a new part, it provides reliable fuel pressure necessary for the precise operation of GDI systems, which is critical for maintaining engine efficiency and emissions compliance.

Common Applications and Issues Addressed

• Restores proper fuel pressure in BMW GDI engines
• Resolves engine hesitation or stalling related to fuel delivery
• Eliminates rough idling caused by inconsistent fuel supply
• Addresses fuel pump failure symptoms in BMW 3 Series and 4 Series models
• Supports performance in xDrive all-wheel-drive variants

Installation Notes and Tips

• Designed as an internal pump; ensure proper access to fuel system
• Verify compatibility with specific BMW model and engine variant before installation
• Replacement does not include gaskets or mounting hardware; reuse existing components or source separately
• Follow manufacturer torque specifications and safety procedures during installation

Quality Assurance and Warranty

This Bosch GDI High Pressure Pump (New) is manufactured to meet OEM standards for fit and function. As a new component, it offers consistent performance and durability expected from Bosch fuel system parts. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.