Hella 009400111 Turbocharger Boost Sensor

Turbo Boost Sensor for Smart Applications

Restore accurate turbocharger pressure signal input with this HELLA turbocharger boost sensor. Built with a bolted mounting type and a 3-pole electrical connection, it is a direct-fit sensor solution for select Smart Fortwo, Roadster, and City-Coupe applications.

Use HELLA part number 009400111 when you need a replacement turbo boost sensor for 2003-2006 Smart models. This sensor supports precise boost monitoring for the engine management system and is listed with OE-style interchange references for the same application.

Key Features

• Turbocharger boost sensor for air and fuel delivery systems
• Bolted mounting type for secure installation
• 3-pole electrical design
• Fits 2005-2006 Smart Fortwo, N/A
• Fits 2004-2005 Smart Roadster, N/A
• Fits 2003-2004 Smart City-Coupe, N/A
• HELLA part number 009400111

Detailed Description

This HELLA turbocharger boost sensor is built for vehicles that rely on accurate pressure feedback to manage turbo operation and engine performance. It is a bolted, 3-pole sensor used in select Smart Fortwo, Smart Roadster, and Smart City-Coupe models, making it a focused replacement for applications that require the correct connector and mounting style. The HELLA brand line is associated with OE-level electrical and sensor components, and this part follows that same application-specific approach. Cross-reference part numbers include Bosch 15019 and Four Seasons 92099 for the same application.

What It Helps Address

• Incorrect turbo boost pressure readings
• Check engine light related to boost sensor faults
• Loss of turbo response from a failed sensor signal
• Driveability issues caused by unstable boost data
• Replacement needs after sensor wear or electrical failure

Installation Notes and Tips

Confirm the bolted mounting style and 3-pole connector before installation. Match the vehicle application exactly by year and model: 2005-2006 Smart Fortwo, 2004-2005 Smart Roadster, or 2003-2004 Smart City-Coupe. Inspect the connector, wiring, and mounting surface before installing the new sensor to help ensure a proper electrical and mechanical connection.

Quality Assurance

HELLA part 009400111 is cataloged with OE-style interchange references and application-specific fitment for select Smart turbo boost sensor applications. The part is identified with SVHC disclosure for lead content.