Air Mass Sensor 4Pin Round Plug (M104)

R1528.00

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Air Mass Sensor 4Pin Round Plug (M104) is a sensor part featuring a 4-pin round plug design. Verify compatibility and installation requirements for your vehicle

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Air Mass Sensor 4Pin Round Plug (M104) is a sensor designed to measure the amount of air entering the engine. This crucial data helps the engine control unit regulate fuel injection for efficient combustion. Identified by its distinctive 4-pin round plug configuration, this unit is a key component for systems that require precise airflow measurement.

The sensor is listed under SKU BB-251621 and is associated with an unknown brand, making it important to compare the plug type and pin layout with your existing sensor to ensure compatibility. It is primarily used in applications referencing the M104 designation, so matching the physical and electrical connector is essential before purchase.

This type of air mass sensor typically mounts in the intake system, affecting engine performance by providing real-time airflow data to the engine management system. Buyers should check the old sensor’s shape, connector type, and pin count against this 4-pin round plug version. Coding, calibration, or fault repair related to this sensor are not covered by the listing and may require specialist attention.

  • Type: Sensor for measuring intake air mass
  • Connector: 4-pin round plug
  • Reference: M104 designation

Need help matching this item to your vehicle? Use Vehicle Parts Finder, Request a Part or Platinum Sales Desk with your VIN, engine number, part number or clear photos.

SKU: BB-251621 Category: Tags: , , , , Brand:

Frequently Asked Questions

Confirm fitment before ordering
Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
What vehicles are compatible with the Air Mass Sensor 4Pin Round Plug (M104)?
This Air Mass Sensor with a 4-pin round plug is designed for specific engine models, particularly those using the M104 engine series. Compatibility depends on the vehicle's make and model year. For precise fitment, please consult your vehicle’s manual or contact our Trade Partners for expert advice.
How do I install the Air Mass Sensor 4Pin Round Plug (M104)?
Installation requires careful handling to avoid damaging the sensor or connector pins. Disconnect the battery before removal, unplug the old sensor, and replace it with the new one, ensuring the 4-pin round plug is securely connected. If unsure, professional installation through our Trade Partners is recommended to guarantee proper function.
What symptoms indicate a faulty Air Mass Sensor 4Pin Round Plug (M104)?
Common signs include poor engine performance, rough idling, reduced fuel efficiency, and check engine light activation. A malfunctioning sensor can disrupt the air-fuel mixture, leading to these issues. If you experience these symptoms, consider testing or replacing the sensor promptly.
Can I return the Air Mass Sensor if it does not fit or is defective?
Yes, returns are accepted under our refund and returns policy. The product must be in original condition and packaging. For detailed instructions and to initiate a return, please visit our Refunds page or contact customer support.
How can Trade Partners assist with the Air Mass Sensor 4Pin Round Plug (M104)?
Trade Partners have specialized knowledge and access to technical resources for this sensor. They can provide installation support, compatibility checks, and after-sales service. To connect with a Trade Partner near you, visit our Trade Partners page for more information.
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