DELPHI Lambda zonde ES21509-12B1

Compatible with LANCIA YPSILON (312_) , FIAT PANDA (312_, 319_) , FIAT 500 (312_) Show more info
This DELPHI Lambda zonde, part code ES21509-12B1, is designed for optimal engine performance and fuel efficiency. Ensure your vehicle's emissions are within regulations with this reliable component.
25.74 EUR
inc. VAT 21%
In stock 7
Delivery 1 day (18.05.2026)
PN ES21509-12B1
Make DELPHI
EAN 5012759633014

The DELPHI Lambda zonde ES21509-12B1 is a critical component for modern vehicle emission control systems. It accurately measures the oxygen content in the exhaust gases, providing essential data to the engine control unit (ECU). By precisely monitoring the air-fuel ratio, this sensor allows the ECU to make real-time adjustments to fuel injection and ignition timing. This optimization is key to achieving the best balance between performance, fuel economy, and reduced harmful emissions. Crafted with high-quality materials, the ES21509-12B1 is built for durability and consistent performance under demanding engine conditions. Replacing a faulty lambda zonde can resolve issues such as poor fuel economy, rough idling, and check engine lights.

  • Direct fit for specified applications
  • Ensures accurate air-fuel ratio measurement
  • Optimizes engine performance and fuel efficiency
  • Helps reduce harmful exhaust emissions
  • Durable construction for long service life
  • Meets or exceeds OE specifications
  • Reliable brand name: DELPHI
  • Part code: ES21509-12B1
Cable length [mm]
650
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • LANCIA
    • YPSILON (312_)
      • 0.9 TwinAir (312.PXG11, 312.PXG1A, 312.YXG11, 312.YXG1A) (63kW/86PS)
      • 0.9 TwinAir (312.YXN11, 312.YXN1A) (59kW/80PS)
  • FIAT
    • PANDA (312_, 319_)
      • 0.9 (312PXG1A) (63kW/86PS)
      • 0.9 (312PXH1A) (48kW/65PS)
      • 0.9 Natural Power (312PXG1A, 312PYC1A) (63kW/86PS)
      • 0.9 4x4 (312PXG1A) (63kW/86PS)
      • 0.9 (312PXP1A) (44kW/60PS)
      • 0.9 (312PXN1A, 312PXN11) (59kW/80PS)
      • 0.9 Natural Power (312PXN1A) (59kW/80PS)
      • 0.9 Natural Power (312PXN1A) (51kW/69PS)
    • 500 (312_)
      • 0.9 (312AXH1A) (48kW/65PS)
      • 0.9 (312AXM1B) (77kW/105PS)
      • 0.9 (312AXP1A) (44kW/60PS)
      • 0.9 (312AXN1A) (59kW/80PS)
    • 500 C (312_)
      • 0.9 (312AXH1A) (48kW/65PS)
      • 0.9 (312AXM1B) (77kW/105PS)
      • 0.9 (312AXN1A, 312AXN11) (59kW/80PS)
      • 0.9 (312AXP1A) (44kW/60PS)
    • 500L (351_, 352_)
      • 0.9 Natural Power (199LYC1B) (63kW/86PS)
    • PANDA VAN (312_, 519_)
      • 0.9 (312CXH1A, 312DXH1A) (48kW/65PS)
      • 0.9 (312DXG1A) (63kW/86PS)
      • 0.9 4x4 (312CXG2B) (63kW/86PS)
      • 0.9 Natural Power (312DXG1A) (63kW/86PS)
FIAT
LANCIA
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