Hella 358146111 Fuel Pump and Sender Assembly

Hella Fuel Pump and Sender Assembly for Mazda 3

The Hella 358146111 is an electric fuel pump and sender assembly built for select Mazda 3 applications. It combines the fuel pump, fuel sender unit, and pressure regulator in one in-tank assembly for a direct replacement approach on confirmed vehicles.

Key Features

• Electric operating mode for in-tank fuel delivery
• Includes fuel sender unit
• Includes pressure regulator
• 4-pole electrical connection
• Hella part number 358146111

Detailed Description

This Hella fuel pump and sender assembly is listed for 2010-2013 Mazda 3 and 2011-2013 Mazda 3 in-tank assembly applications. It is specified with a 4-pole design, electric operation, a built-in pressure regulator, and an integrated fuel sender unit. For shoppers searching for a Mazda 3 fuel pump and sender assembly, Hella 358146111 provides the key components needed in one assembly for the listed fitments.

This part cross-references Bosch 66171 and Delphi FG1286 for the same application.

What It Helps Address

• Hard starting caused by weak fuel delivery
• Fuel gauge readings affected by a failing sender unit
• Low fuel pressure from a worn in-tank pump assembly
• Engine hesitation or stalling related to inconsistent fuel supply
• Pressure regulation issues within the fuel system

Installation Notes and Tips

Install this assembly only on the confirmed Mazda 3 applications listed above. Because it is an in-tank fuel pump and sender assembly, access is typically through the fuel tank service opening or by lowering the tank, depending on vehicle configuration. Verify electrical connector style, sealing surfaces, and fuel system cleanliness before installation. Confirm the part number 358146111 against the original unit before final assembly.

Quality Assurance

Hella is an established automotive parts brand with OE-level product coverage across fuel system components. This assembly is built to match the listed electrical and functional requirements for the specified Mazda 3 fitments.