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Hella 009409021 Exhaust Gas Differential Pressure Sensor
HELLA Exhaust Gas Differential Pressure Sensor for BMW 328d
HELLA 009409021 is an exhaust gas differential pressure sensor built for direct-fit service on select BMW diesel applications. It uses a clipped mounting style and a 3-pole electrical connection for a clean replacement on the specified vehicles.
Compatible with 2014-2018 BMW 328d and 2014-2018 BMW 328d xDrive, this sensor supports accurate exhaust pressure monitoring for diesel aftertreatment systems. The HELLA line is known for OE-style electrical and sensor components, and this part number 009409021 follows that service-focused approach.
Key Features
- Exhaust gas differential pressure sensor for diesel exhaust system monitoring
- Clipped mounting type for secure installation
- 3-pole connector design
- Fits 2014-2018 BMW 328d
- Fits 2014-2018 BMW 328d xDrive
- Part number: 009409021
Detailed Description
This HELLA exhaust gas differential pressure sensor is used to measure pressure differences in the exhaust stream, helping the vehicle’s control system evaluate exhaust flow and aftertreatment performance. It is a direct replacement option for BMW 328d and BMW 328d xDrive diesel models from 2014 through 2018. This part cross-references Bosch 16102 for the same application.
What It Helps Address
- Fault codes related to exhaust pressure sensor performance
- Incorrect exhaust differential pressure readings
- Diesel aftertreatment monitoring issues
- Driveability concerns tied to exhaust system sensor faults
- Replacement needs for a damaged or failing sensor
Installation Notes and Tips
Verify the connector style, mounting method, and pole count before installation. This sensor uses a clipped mount and a 3-pole connection, so matching the original configuration is important for proper fitment on the BMW 328d and BMW 328d xDrive. Confirm the vehicle’s model year and exhaust sensor location against the original part before replacement.
Quality Assurance
HELLA is a recognized supplier of automotive electrical and sensor components, and part number 009409021 is cataloged for the listed BMW diesel applications. Use the confirmed fitment data to match the correct replacement for your vehicle.
| Brand | Hella |
| Part Number | 009409021 |
| Position | HELLA |
| Mounting Type | Clipped |
| Number of Poles | 3 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | BMW | 328d | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2018 | BMW | 328d xDrive | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2017 | BMW | 328d | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2017 | BMW | 328d xDrive | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2016 | BMW | 328d | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2016 | BMW | 328d xDrive | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2015 | BMW | 328d | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2015 | BMW | 328d xDrive | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2014 | BMW | 328d | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
| 2014 | BMW | 328d xDrive | Base | 2.0L | L4 | N/A | Mounting Type: Clipped; Number of Poles: 3; 0; HELLA |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.