Hitachi FUP3358 Fuel Pump Module Assembly

Fuel Pump Module Assembly for BMW Applications

Hitachi FUP3358 is a fuel pump module assembly built for consistent fuel delivery from the tank to the engine. It supports the pressurized fuel flow needed for proper engine operation in select BMW 5 Series applications, including BMW 525i, 530i, 540i, and 528i models.

This fuel pump module assembly is a direct-fit service part for BMW fuel system repair, with application coverage that includes 2001-2003 BMW 525i, 2001-2003 BMW 530i, 1997-2003 BMW 540i, and 1997-2000 BMW 528i. Part number FUP3358 is also referenced in OE and aftermarket catalogs for the same application.

• Fuel pump module assembly for pressurized fuel delivery
• Supports steady fuel flow from the tank to the fuel system
• Application-specific fitment for select BMW 5 Series models
• Cross-reference part numbers include Bosch 66149 and Delphi FE0538
• OE-style replacement for BMW fuel system service

Detailed Product Overview

Hitachi fuel pumps are engineered to maintain positive pressure in the fuel lines so fuel can be delivered to the engine at the required rate. For BMW owners and technicians, FUP3358 provides a focused replacement option for fuel delivery concerns on 528i, 525i, 530i, and 540i vehicles. When the original pump module begins to lose pressure or volume, this part number offers a direct service solution for restoring fuel system performance.

What This Part Helps Address

• Hard starting caused by weak fuel pressure
• Engine hesitation from inconsistent fuel delivery
• Stalling related to fuel supply interruption
• Loss of power under load from inadequate pump output
• Fuel system performance issues on BMW 525i, 530i, 540i, and 528i models

Installation Notes and Tips

Verify the vehicle year, model, and fuel system configuration before ordering. Confirm that FUP3358 matches the original part number and compare connector, module, and tank-side details against the removed unit. Professional installation is recommended for fuel system service, and the fuel system should be checked for leaks and proper pressure after replacement.

Quality Assurance

Hitachi supplies fuel delivery components for applications that require stable pressure and dependable operation. FUP3358 is built as a replacement fuel pump module assembly for the listed BMW fitments and is supported by OE and aftermarket cross-reference coverage.