DELPHI Lambda zonde ES21272-12B1

Compatible with SEAT LEON ST (5F8) , AUDI A3 Limousine (8VS, 8VM) , AUDI A3 Sportback (8VA, 8VF) Show more info
High-quality Lambda zonde designed for optimal engine performance and fuel efficiency. Ensures accurate exhaust gas monitoring for reduced emissions.
33.85 EUR
inc. VAT 21%
In stock 5
Delivery 1 day (15.05.2026)
PN ES21272-12B1
Make DELPHI
EAN 5012759577479

The DELPHI Lambda zonde ES21272-12B1 is engineered to provide precise oxygen measurements in your vehicle's exhaust system. This critical component helps the engine control unit (ECU) adjust the air-fuel mixture for optimal combustion, leading to improved fuel economy and reduced harmful emissions. Designed for reliability and durability, this Lambda zonde meets stringent quality standards. Its robust construction ensures consistent performance even under demanding engine conditions. Proper functioning of the Lambda zonde is essential for passing emissions tests and maintaining the overall health of your engine. Installation of the DELPHI Lambda zonde ES21272-12B1 is straightforward, designed to integrate seamlessly with compatible vehicle systems. Replacing a faulty Lambda zonde can resolve issues such as poor acceleration, increased fuel consumption, and engine misfires, restoring your vehicle's performance.

  • Ensures accurate air-fuel ratio control
  • Improves fuel efficiency
  • Reduces harmful exhaust emissions
  • Designed for reliable and long-lasting performance
  • Meets stringent quality standards
  • Helps maintain optimal engine performance
  • Facilitates passing emissions tests
  • Direct fit for compatible applications
Cable length [mm]
780
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • SEAT
    • LEON ST (5F8)
      • 1.8 TSI (132kW/180PS)
      • 1.8 TSI 4Drive (132kW/180PS)
      • 2.0 Cupra (195kW/265PS)
      • 2.0 Cupra (206kW/280PS)
      • 2.0 Cupra (213kW/290PS)
      • 2.0 Cupra (221kW/300PS)
      • 2.0 Cupra 4Drive (221kW/300PS)
      • 2.0 TSI 4Drive (140kW/190PS)
    • LEON (5F1)
      • 1.8 TSI (132kW/180PS)
      • 2.0 Cupra (206kW/280PS)
      • 2.0 Cupra (195kW/265PS)
      • 2.0 Cupra (213kW/290PS)
      • 2.0 Cupra (221kW/300PS)
      • 2.0 Cupra R (228kW/310PS)
    • LEON SC (5F5)
      • 1.8 TSI (132kW/180PS)
      • 2.0 Cupra (195kW/265PS)
      • 2.0 Cupra (206kW/280PS)
      • 2.0 Cupra (213kW/290PS)
      • 2.0 Cupra (221kW/300PS)
    • ATECA (KH7, KHP)
      • 2.0 TSI 4Drive (140kW/190PS)
    • LEON ST Furgons/Universālis (5F8)
      • 2.0 Cupra (221kW/300PS)
      • 2.0 Cupra 4Drive (221kW/300PS)
    • LEON (KL1, KLG)
      • 2.0 TFSI (140kW/190PS)
  • AUDI
    • A3 Limousine (8VS, 8VM)
      • S3 quattro (221kW/300PS)
      • 1.8 TFSI (132kW/180PS)
      • S3 quattro (210kW/286PS)
      • S3 quattro (228kW/310PS)
      • 2.0 TFSI quattro (140kW/190PS)
      • 2.0 TFSI (140kW/190PS)
      • 40 TFSI (140kW/190PS)
      • 40 TFSI quattro (140kW/190PS)
    • A3 Sportback (8VA, 8VF)
      • 1.8 TFSI (132kW/180PS)
      • S3 quattro (221kW/300PS)
      • S3 quattro (210kW/286PS)
      • S3 quattro (228kW/310PS)
      • 2.0 TFSI quattro (140kW/190PS)
      • 2.0 TFSI (140kW/190PS)
      • 40 TFSI (140kW/190PS)
      • 40 TFSI quattro (140kW/190PS)
    • A3 (8V1, 8VK)
      • S3 quattro (221kW/300PS)
      • S3 quattro (210kW/286PS)
      • S3 quattro (228kW/310PS)
      • 2.0 TFSI quattro (140kW/190PS)
      • 2.0 TFSI (140kW/190PS)
    • A3 Kabriolets (8V7, 8VE)
      • 1.8 TFSI (132kW/180PS)
      • 1.8 TFSI quattro (132kW/180PS)
      • S3 quattro (221kW/300PS)
      • S3 quattro (228kW/310PS)
      • 2.0 TFSI quattro (140kW/190PS)
      • 2.0 TFSI (140kW/190PS)
      • 40 TFSI (140kW/190PS)
      • 40 TFSI quattro (140kW/190PS)
    • TT (FV3, FVP)
      • 2.0 TFSI (169kW/230PS)
      • 2.0 TFSI quattro (169kW/230PS)
      • 2.0 TTS quattro (228kW/310PS)
      • 2.0 TTS TFSI quattro (210kW/286PS)
    • TT Roadster (FV9, FVR)
      • 2.0 TFSI (169kW/230PS)
      • 2.0 TFSI quattro (169kW/230PS)
      • 2.0 TTS TFSI quattro (228kW/310PS)
      • 2.0 TTS TFSI quattro (210kW/286PS)
    • Q2 (GAB, GAG)
      • 2.0 TFSI quattro (140kW/190PS)
      • 40 TFSI quattro (140kW/190PS)
      • 40 TFSI quattro (140kW/190PS)
    • A1 Sportback (GBA)
      • 40 TFSI (147kW/200PS)
  • SKODA
    • OCTAVIA III (5E3, NL3, NR3)
      • 1.8 TSI (132kW/180PS)
      • 1.8 TSI 4x4 (132kW/180PS)
      • 2.0 TSI (140kW/190PS)
      • 2.0 TSI 4x4 (140kW/190PS)
    • OCTAVIA III Combi (5E5, 5E6)
      • 1.8 TSI (132kW/180PS)
      • 1.8 TSI 4x4 (132kW/180PS)
      • 2.0 TSI (140kW/190PS)
      • 2.0 TSI 4x4 (140kW/190PS)
    • SUPERB III (3V3)
      • 2.0 TSI 4x4 (206kW/280PS)
      • 2.0 TSI (162kW/220PS)
      • 1.8 TSI (132kW/180PS)
      • 2.0 TSI 4x4 (200kW/272PS)
    • SUPERB III Universālis (3V5)
      • 2.0 TSI (162kW/220PS)
      • 1.8 TSI (132kW/180PS)
      • 2.0 TSI 4x4 (206kW/280PS)
      • 2.0 TSI 4x4 (200kW/272PS)
    • KAROQ (NU7, ND7)
      • 2.0 TSI 4x4 (140kW/190PS)
      • 2.0 TSI 4x4 (140kW/190PS)
    • OCTAVIA IV Combi (NX5, PV5)
      • 2.0 TSI 4x4 (140kW/190PS)
    • OCTAVIA IV (NX3, NN3, PV3)
      • 2.0 TSI 4x4 (140kW/190PS)
  • VW
    • GOLF VII (5G1, BQ1, BE1, BE2)
      • 2.0 R 4motion (206kW/280PS)
      • 2.0 R 4motion (221kW/300PS)
      • 2.0 GTI Clubsport (195kW/265PS)
      • 2.0 GTI Clubsport S (228kW/310PS)
      • 2.0 R 4motion (228kW/310PS)
    • GOLF VII Variant (BA5, BV5)
      • 2.0 R 4motion (221kW/300PS)
      • 2.0 R 4motion (206kW/280PS)
      • 2.0 R 4motion (228kW/310PS)
      • 2.0 R 4motion (213kW/290PS)
    • GOLF ALLTRACK VII Variant (BA5, BV5)
      • 1.8 TSI 4motion (132kW/180PS)
    • PASSAT B8 (3G2, CB2)
      • 1.8 TSI (132kW/180PS)
      • 2.0 TSI (162kW/220PS)
      • 2.0 TSI 4motion (206kW/280PS)
      • 2.0 TSI (140kW/190PS)
      • 2.0 TSI (140kW/190PS)
    • PASSAT B8 Variant (3G5, CB5)
      • 1.8 TSI (132kW/180PS)
      • 2.0 TSI (162kW/220PS)
      • 2.0 TSI 4motion (206kW/280PS)
      • 2.0 TSI (140kW/190PS)
      • 2.0 TSI (140kW/190PS)
    • PASSAT ALLTRACK B8 Variant (3G5, CB5)
      • 2.0 TSI 4motion (162kW/220PS)
      • 2.0 TSI 4motion (206kW/280PS)
    • ARTEON (3H7, 3H8)
      • 2.0 TSI 4motion (206kW/280PS)
      • 2.0 TSI (140kW/190PS)
      • 2.0 TSI (140kW/190PS)
    • T-ROC (A11, D11)
      • 2.0 TSI 4motion (140kW/190PS)
      • 2.0 TSI 4motion (140kW/190PS)
    • POLO VI (AW1, BZ1, AE1)
      • 2.0 GTI (147kW/200PS)
    • ARTEON SHOOTING BRAKE (3H9)
      • 2.0 TSI 4motion (206kW/280PS)
      • 2.0 TSi (140kW/190PS)
      • 2.0 TSi (140kW/190PS)
  • CUPRA
    • FORMENTOR (KM7, KMP)
      • 2.0 TSI 4Drive (140kW/190PS)
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