Hella 009403061 Turbocharger Boost Sensor

Turbo Boost Sensor for OE-Style Control

HELLA Turbocharger Boost Sensor 009403061 provides accurate turbo pressure readings for engines that rely on precise boost control. Built as a standard replacement with OE compatibility in mind, it supports consistent engine management on select Cadillac, Buick, Chevrolet, Pontiac, and Oldsmobile applications.

This sensor uses a 3-pin connector and bolted mounting design, with no gasket or seal included. It is a direct-fit style replacement for vehicles that require accurate boost signal input for proper combustion and turbocharger operation.

Key Features

• Standard replacement turbocharger boost sensor
• 3-pin connector design
• Bolted mounting type
• Supplied without gasket or seal
• OE-compatible fitment for select GM vehicles
• Part number: 009403061

Detailed Product Overview

HELLA 009403061 is a turbocharger boost sensor engineered to deliver precise pressure readings to the engine control system. Accurate boost data is critical for managing turbo response, fuel delivery, and combustion efficiency. This sensor is listed for 2004-2005 Buick Century, 2004-2005 Buick Rendezvous, 2004-2005 Chevrolet Impala, 2004-2005 Chevrolet Monte Carlo, 2004-2005 Pontiac Aztek, 2004-2005 Pontiac Grand Am, 2004-2005 Pontiac Montana, 2004 Oldsmobile Alero, 2004 Oldsmobile Silhouette, 2006-2009 Cadillac STS, and 2006-2009 Cadillac XLR.

This part cross-references Standard Ignition AS304 for the same application. If you are replacing a failing boost sensor on a Cadillac STS, Cadillac XLR, or a GM sedan or crossover from the listed years, 009403061 is built for the specified connector and mounting style.

What It Helps Address

• Incorrect turbo boost pressure readings
• Check engine lights related to boost sensor faults
• Unstable turbo response under load
• Poor engine performance caused by inaccurate pressure input
• Fuel control issues tied to boost signal errors

Installation Notes and Tips

Assy/disassy by qualified personnel required. Confirm the vehicle uses a 3-pin connector and bolted sensor mounting before installation. Because this part is supplied without a gasket or seal, inspect the sealing surface and replace any required sealing components separately. Verify the application against the vehicle’s original sensor before service on compatible Cadillac, Buick, Chevrolet, Pontiac, and Oldsmobile models.

Quality Assurance

HELLA supplies OE-focused replacement components built for accurate signal output and durable service. Part number 009403061 is manufactured to meet the fitment and connection requirements listed for the specified applications.