Hella 358146721 Fuel Pump and Sender Assembly

Reliable Fuel Pump and Sender Assembly for Mercedes-Benz Models

The Hella 358146721 fuel pump and sender assembly is designed to provide consistent fuel delivery for select Mercedes-Benz vehicles. Engineered for electric operation with integrated pressure regulation, this component ensures optimal fuel system performance.

• Fitting position: Left side installation
• Number of poles: 3 for secure electrical connection
• Electric operating mode for efficient fuel pumping
• Includes built-in pressure regulator for stable fuel pressure
• Comes with a seal to maintain system integrity

About the Hella Brand Line

Hella is known for producing high-quality automotive components, including fuel pumps and related parts. This fuel pump and sender assembly is part of the Hella product line, which focuses on durable and precise fuel delivery solutions tailored to meet the specifications of premium vehicles like Mercedes-Benz.

Product Details and Compatibility

The Hella 358146721 fuel pump and sender assembly is specifically compatible with Mercedes-Benz C230, C250, C300, C350, E250, E300, and E350 models. Its left-side fitting position and three-pole electrical connection ensure proper integration with the vehicle’s fuel system. The electric operating mode combined with an integrated pressure regulator helps maintain consistent fuel flow and pressure, which is critical for engine performance and efficiency. The included seal supports a secure and leak-free installation.

Common Applications and Issues Addressed

• Replacement for faulty or failing fuel pumps in Mercedes-Benz C-Class and E-Class models
• Resolves inconsistent fuel pressure leading to engine hesitation or stalling
• Addresses fuel delivery interruptions caused by worn or damaged sender assemblies
• Helps eliminate fuel leaks with the included seal
• Improves overall fuel system reliability and vehicle drivability

Installation Notes and Tips

Ensure the fuel system is depressurized before beginning installation. The left-side fitting position must be observed for correct placement. Verify the three-pole electrical connector matches the vehicle harness to avoid connection issues. Inspect the included seal for proper seating to prevent leaks. Professional installation is recommended to maintain system integrity and safety.

Quality Assurance and Warranty

Hella maintains strict quality control standards for its fuel pump assemblies, ensuring durability and performance. While specific warranty details for part number 358146721 should be confirmed with the supplier, Hella products typically come with manufacturer-backed warranties covering defects in materials and workmanship.