Hella 358146111 Fuel Pump and Sender Assembly
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Hella 358146111 Fuel Pump and Sender Assembly

Brand Hella 358146111
Number of Poles 4
Operating Mode Electric
Supplementary Article/Info 2 With pressure regulator
Supplementary Article/Supplementary Info With fuel sender unit
Product line Hella
Fits Mazda · 14 vehicles

Electric operation. Provides consistent fuel delivery with a 4-pole design.

Pressure regulator included. Helps maintain steady fuel system pressure.

Fuel sender unit. Combines pumping and level-sensing functions in one assembly.

Cross-references Bosch 66171, Delphi FG1286 and 0 580 200 015 for the same application. See all 18.

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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.

Related reading

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2013Mazda3i2.0LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2013Mazda3S2.5LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2013Mazda3S2.5LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2013Mazda3i2.0LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2012Mazda3i2.0LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2012Mazda3S2.5LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2012Mazda3S2.5LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2012Mazda3i2.0LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2011Mazda3i2.0LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2011Mazda3S2.5LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2011Mazda3S2.5LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2011Mazda3i2.0LL4—N/AIn Tank Assy.; Incl.Fuel Tank Sending Unit; Operating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2010Mazda3i2.0LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
2010Mazda3S2.5LL4GASN/AOperating Mode: Electric; Supplementary Article/Supplementary Info: with fuel sender unit / with seal; Number of Poles: 4; Supplementary Article/Info 2: with pressure regulator; Hella
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 66171Delphi — FG12860 580 200 0157766577665E775679580200015LF3T-13-35XDLF3T1335XBLF3T1335XCLF3T1335XDLF3T1335XD9ASP4060USEP9049M 66171 FG1286 SP4060 USEP9049M