DELPHI Lambda zonde ES20348-12B1

Compatible with SEAT CORDOBA (6K1, 6K2) , SEAT IBIZA II (6K1) , VW POLO III (6N1) Show more info
This DELPHI Lambda zonde, part code ES20348-12B1, is designed for optimal engine performance and fuel efficiency. Ensure your vehicle's exhaust system is functioning correctly with this reliable component.
46.03 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (15.05.2026)
PN ES20348-12B1
Make DELPHI
EAN 5012759407530

The DELPHI Lambda zonde, identified by part code ES20348-12B1, plays a crucial role in monitoring the oxygen content in your vehicle's exhaust gases. By accurately measuring the air-fuel ratio, this sensor provides vital data to the engine control unit (ECU). This information allows the ECU to make real-time adjustments to the fuel injection and ignition timing. Such precise control is essential for maintaining optimal combustion, which directly impacts fuel economy and reduces harmful emissions. A properly functioning lambda sensor contributes significantly to a cleaner and more efficient engine operation. Choosing a DELPHI Lambda zonde ensures that you are fitting a component built to meet stringent quality standards. This part is engineered for durability and consistent performance, helping to restore or maintain your vehicle's emission control system and overall drivability. Regular checks and timely replacement of exhaust components like the lambda sensor can prevent more significant issues down the line.

  • Direct fit for compatible vehicles
  • Monitors oxygen levels in exhaust
  • Optimizes air-fuel ratio
  • Enhances fuel efficiency
  • Reduces harmful emissions
  • Supports engine control unit (ECU) function
  • Durable construction for longevity
  • DELPHI quality assurance
Cable length [mm]
740
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • SEAT
    • CORDOBA (6K1, 6K2)
      • 1.4 i (44kW/60PS)
      • 1.6 i (74kW/101PS)
      • 1.0 i (37kW/50PS)
    • IBIZA II (6K1)
      • 1.4 i (44kW/60PS)
    • INCA (6K9)
      • 1.4 i (44kW/60PS)
    • AROSA (6H1)
      • 1.0 (37kW/50PS)
      • 1.4 (44kW/60PS)
    • CORDOBA Vario (6K5)
      • 1.4 i (44kW/60PS)
      • 1.6 i (74kW/101PS)
    • TOLEDO II (1M2)
      • 1.8 20V (92kW/125PS)
      • 1.4 16V (55kW/75PS)
      • 2.3 V5 20V (125kW/170PS)
    • LEON (1M1)
      • 1.8 20V (92kW/125PS)
      • 1.4 16V (55kW/75PS)
      • 2.8 Cupra 4 (150kW/204PS)
      • 2.8 (150kW/204PS)
      • 1.6 (75kW/102PS)
    • IBIZA III (6L1)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/116PS)
    • CORDOBA (6L2)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/115PS)
  • VW
    • POLO III (6N1)
      • 60 1.4 (44kW/60PS)
      • 50 1.0 (37kW/50PS)
    • POLO III CLASSIC (6V2)
      • 60 1.4 (44kW/60PS)
      • 100 1.6 (74kW/100PS)
    • CADDY II Furgons/minivens (9K9A)
      • 60 1.4 (44kW/60PS)
    • GOLF IV (1J1)
      • 1.6 (74kW/100PS)
      • 1.4 16V (55kW/75PS)
      • 1.8 T (110kW/150PS)
      • 2.8 VR6 4motion (150kW/204PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 4motion (85kW/115PS)
      • 3.2 R32 4motion (177kW/241PS)
    • LUPO I (6X1, 6E1)
      • 1.0 (37kW/50PS)
    • POLO Variant (6V5)
      • 1.4 (44kW/60PS)
      • 1.6 (74kW/101PS)
    • BORA I (1J2)
      • 1.6 (74kW/101PS)
      • 1.4 16V (55kW/75PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 4motion (85kW/115PS)
    • GOLF IV Variant (1J5)
      • 1.4 16V (55kW/75PS)
      • 1.6 (74kW/101PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.6 (75kW/102PS)
      • 2.0 4motion (85kW/115PS)
      • 1.8 T (110kW/150PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
    • NEW BEETLE (9C1, 1C1)
      • 1.6 (74kW/100PS)
      • 1.8 T (110kW/150PS)
      • 3.2 RSI 4motion (1C9) (165kW/224PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
    • BORA Variant (1J6)
      • 1.6 (74kW/100PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 4motion (85kW/115PS)
    • POLO (6N2)
      • 1.0 (37kW/50PS)
      • 1.4 (44kW/60PS)
    • TOUAREG (7LA, 7L6, 7L7)
      • 3.2 V6 (162kW/220PS)
      • 3.2 V6 (177kW/241PS)
      • 6.0 W12 (331kW/450PS)
    • NEW BEETLE Kabriolets (1Y7)
      • 1.6 (75kW/102PS)
    • CADDY II Lielas ietilpības automobilis (9K9B)
      • 1.4 (44kW/60PS)
    • GOLF VAN IV Variant (1J5)
      • 1.4 (55kW/75PS)
  • AUDI
    • A3 (8L1)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • S3 quattro (154kW/210PS)
      • 1.8 T (132kW/180PS)
      • 1.6 (75kW/102PS)
    • TT (8N3)
      • 1.8 T (132kW/180PS)
      • 1.8 T quattro (132kW/180PS)
    • A6 C5 (4B2, 4B4)
      • 2.4 (100kW/136PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.7 T quattro (184kW/250PS)
      • 2.4 (120kW/163PS)
    • A6 C5 Avant (4B5, 4B6)
      • 2.4 (100kW/136PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.7 T quattro (184kW/250PS)
      • 2.4 (120kW/163PS)
    • TT Roadster (8N9)
      • 1.8 T (132kW/180PS)
    • ALLROAD C5 (4BH)
      • 2.7 T quattro (184kW/250PS)
    • A4 B6 (8E2)
      • 2.4 (125kW/170PS)
      • 2.4 (120kW/163PS)
    • A4 B6 Avant (8E5)
      • 2.4 (125kW/170PS)
      • 2.4 (120kW/163PS)
    • A4 B6 Kabriolets (8H7)
      • 2.4 (125kW/170PS)
      • 2.4 (120kW/163PS)
  • SKODA
    • OCTAVIA I Combi (1U5)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/116PS)
      • 1.4 16V (55kW/75PS)
      • 1.6 (75kW/102PS)
      • 2.0 4x4 (85kW/116PS)
    • OCTAVIA I (1U2)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/116PS)
      • 1.6 (75kW/102PS)
    • FABIA I (6Y2)
      • 1.4 (50kW/68PS)
      • 1.0 (37kW/50PS)
      • 1.4 (44kW/60PS)
      • 2.0 (85kW/116PS)
    • FABIA I Combi (6Y5)
      • 1.4 (50kW/68PS)
      • 2.0 (85kW/116PS)
      • 1.4 (44kW/60PS)
    • FABIA I Sedans (6Y3)
      • 1.4 (50kW/68PS)
      • 2.0 (85kW/116PS)
      • 1.4 (44kW/60PS)
    • FABIA I Praktik (6Y5)
      • 1.4 (50kW/68PS)
    • OCTAVIA II (1Z3)
      • 1.4 TSI (90kW/122PS)
    • OCTAVIA II Combi (1Z5)
      • 1.4 TSI (90kW/122PS)
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