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DELPHI DELPHI Mass Air Flow Sensor AF10491-12B1 AF1049112B1

DELPHI Mass Air Flow Sensor AF10491-12B1

Compatible with AUDI A6 C4 (4A2) , AUDI A6 C4 Avant (4A5) , AUDI A8 D2 (4D2, 4D8) Show more info
This DELPHI Mass Air Flow Sensor (AF10491-12B1) ensures accurate air intake measurement for optimal engine performance.
84.67 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (15.05.2026)
PN AF10491-12B1
Make DELPHI
EAN 5012759601433

The DELPHI Mass Air Flow (MAF) Sensor, part number AF10491-12B1, is engineered to precisely measure the amount of air entering your engine's intake manifold. This critical data is then sent to the engine control unit (ECU) to help determine the correct amount of fuel to inject for efficient combustion. Proper functioning of the MAF sensor is vital for maintaining optimal engine performance, fuel economy, and emissions control. A faulty MAF sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and decreased power. This DELPHI sensor is designed to meet or exceed original equipment specifications, providing a reliable replacement for your vehicle. By accurately monitoring airflow, the AF10491-12B1 helps the ECU adjust engine parameters in real-time, adapting to changing driving conditions. This leads to a smoother running engine and can help restore lost performance and fuel efficiency. Trust DELPHI for quality components that keep your vehicle running at its best.

  • Direct fit for easy installation
  • Ensures accurate air intake measurement
  • Optimizes fuel injection for better performance
  • Helps maintain fuel economy
  • Contributes to lower emissions
  • Restores engine power and smooth operation
  • Designed to meet OEM specifications
  • Reliable DELPHI quality
Housing type
without housing
Number of pin contacts
3
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • AUDI
    • A6 C4 (4A2)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
    • A6 C4 Avant (4A5)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
    • A8 D2 (4D2, 4D8)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
    • A4 B5 (8D2)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
    • A4 B5 Avant (8D5)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
    • A6 C5 (4B2, 4B4)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.4 (100kW/136PS)
      • 2.8 (132kW/180PS)
      • 2.4 (115kW/156PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
    • A6 C5 Avant (4B5, 4B6)
      • 2.8 quattro (142kW/193PS)
      • 2.4 (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 2.4 quattro (121kW/165PS)
      • 2.4 (100kW/136PS)
      • 2.8 (132kW/180PS)
      • 2.4 (115kW/156PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
  • VW
    • PASSAT B5 (3B2)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
    • PASSAT B5 Variant (3B5)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
AUDI
078133471C
VW
078133471C
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