DELPHI AF10257-12B1 Air Mass Meter

Compatible with VW PASSAT B5.5 (3B3) , VW PASSAT B5.5 Variant (3B6) , VW PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9) Show more info
This DELPHI Air Mass Meter (AF10257-12B1) ensures accurate measurement of air entering your engine for optimal performance.
64.27 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (25.03.2026)
PN AF1025712B1
Make DELPHI
EAN 5012759523278

The DELPHI AF10257-12B1 Air Mass Meter is a critical component for your vehicle's engine management system. It precisely measures the amount of air flowing into the engine, providing essential data to the Engine Control Unit (ECU). Accurate air mass readings are vital for the ECU to calculate the correct amount of fuel to inject. This leads to improved fuel efficiency, reduced emissions, and optimal engine power delivery. A malfunctioning air mass meter can cause poor idling, hesitation, and decreased performance. This DELPHI unit is designed to meet or exceed original equipment specifications, ensuring a reliable and direct fit. Trust DELPHI for quality components that maintain your vehicle's performance and efficiency.

  • Direct fit for seamless installation
  • Ensures accurate air intake measurement
  • Optimizes fuel-air mixture for better performance
  • Contributes to improved fuel economy
  • Helps reduce exhaust emissions
  • Reliable component from DELPHI
Housing type
with housing
Number of pin contacts
5
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • VW
    • PASSAT B5.5 (3B3)
      • 4.0 W8 4motion (202kW/275PS)
    • PASSAT B5.5 Variant (3B6)
      • 4.0 W8 4motion (202kW/275PS)
    • PHAETON (3D1, 3D2, 3D3, 3D4, 3D6, 3D7, 3D8, 3D9)
      • 6.0 W12 4motion (309kW/420PS)
      • 3.2 V6 (177kW/241PS)
      • 3.2 V6 4motion (177kW/241PS)
      • 6.0 W12 4motion (331kW/450PS)
    • TOUAREG (7LA, 7L6, 7L7)
      • 3.2 V6 (162kW/220PS)
      • 3.2 V6 (177kW/241PS)
      • 6.0 W12 (331kW/450PS)
    • GOLF IV (1J1)
      • 3.2 R32 4motion (177kW/241PS)
    • TRANSPORTER T5 Autobuss (7HB, 7HJ, 7EB, 7EJ)
      • VR6 3.2 (173kW/235PS)
      • 3.2 V6 4motion (173kW/235PS)
    • TRANSPORTER T5 Furgons (7HA, 7HH, 7EA, 7EH)
      • VR6 3.2 (173kW/235PS)
      • VR6 3.2 4motion (173kW/235PS)
    • TRANSPORTER T5 Platforma/Šasija (7JD, 7JE, 7JL, 7JY, 7JZ, 7F
      • VR6 3.2 (173kW/235PS)
      • VR6 3.2 4motion (173kW/235PS)
    • MULTIVAN T5 (7HM, 7HN, 7HF, 7EF, 7EM, 7EN)
      • VR6 3.2 (173kW/235PS)
      • VR6 3.2 4motion (173kW/235PS)
    • GOLF V (1K1)
      • 3.2 R32 4motion (184kW/250PS)
    • EOS (1F7, 1F8)
      • 3.2 V6 (184kW/250PS)
    • NEW BEETLE (9C1, 1C1)
      • 2.5 (110kW/150PS)
    • NEW BEETLE Kabriolets (1Y7)
      • 2.5 (110kW/150PS)
    • JETTA III (1K2)
      • 2.5 (110kW/150PS)
  • AUDI
    • TT (8N3)
      • 3.2 VR6 quattro (184kW/250PS)
    • TT Roadster (8N9)
      • 3.2 VR6 quattro (184kW/250PS)
    • A3 (8P1)
      • 3.2 V6 quattro (184kW/250PS)
    • A3 Sportback (8PA)
      • 3.2 V6 quattro (184kW/250PS)
    • TT (8J3)
      • 3.2 V6 quattro (184kW/250PS)
    • TT Roadster (8J9)
      • 3.2 V6 quattro (184kW/250PS)
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