DELPHI Mass Air Flow Sensor AF10551-12B1

Compatible with PORSCHE 911 (996) , PORSCHE 911 Kabriolets (996) , PORSCHE BOXSTER (986) Show more info
This DELPHI Mass Air Flow Sensor (AF10551-12B1) is designed to accurately measure the amount of air entering your engine, ensuring optimal fuel mixture and performance.
125.06 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (30.03.2026)
PN AF1055112B1
Make DELPHI
EAN 5012759543894

The DELPHI Mass Air Flow (MAF) Sensor, part number AF10551-12B1, plays a crucial role in your vehicle's engine management system. It precisely measures the volume and density of air entering the engine, providing vital data to the engine control unit (ECU). By accurately reporting airflow, the ECU can then calculate the correct amount of fuel to inject for optimal combustion. This leads to improved fuel efficiency, reduced emissions, and smoother engine operation. A malfunctioning MAF sensor can cause a range of issues, including poor acceleration, rough idling, and increased fuel consumption. This DELPHI MAF sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and consistent performance. Its robust construction is designed to withstand the harsh conditions found within the engine bay, providing long-lasting durability. Replacing your old or faulty MAF sensor with this DELPHI unit can help restore your engine's performance and efficiency. It is a direct fit replacement for the original part, simplifying the installation process.

  • Direct fit replacement for original equipment
  • Ensures accurate air intake measurement
  • Optimizes fuel injection for better performance
  • Improves fuel efficiency
  • Helps reduce emissions
  • Restores smooth engine operation
  • Durable construction for longevity
  • Part number: AF10551-12B1
Housing type
without housing
Number of pin contacts
5
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • PORSCHE
    • 911 (996)
      • 3.4 Carrera (221kW/301PS)
      • 3.4 Carrera 4 (221kW/301PS)
      • 3.6 Turbo 4 (309kW/420PS)
      • 3.4 Carrera (235kW/320PS)
      • 3.4 Carrera 4 (235kW/320PS)
      • 3.6 GT2 (340kW/462PS)
      • 3.6 Turbo 4S (331kW/450PS)
      • 3.6 GT2 (355kW/483PS)
    • 911 Kabriolets (996)
      • 3.4 Carrera (221kW/301PS)
      • 3.4 Carrera (235kW/320PS)
      • 3.4 Carrera 4 (235kW/320PS)
      • 3.6 Turbo 4 (309kW/420PS)
      • 3.6 Turbo 4S (331kW/450PS)
      • 3.4 Carrera 4 (221kW/301PS)
      • 3.6 S (331kW/450PS)
    • BOXSTER (986)
      • 2.7 (162kW/220PS)
      • S 3.2 (185kW/252PS)
      • 2.7 (168kW/228PS)
      • S 3.2 (191kW/260PS)
      • S 3.2 (196kW/266PS)
      • 2.7 (155kW/211PS)
PORSCHE
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