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DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1
DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1
DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1
DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1
DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1
DELPHI DELPHI Lambda zonde ES21063-12B1 ES2106312B1

DELPHI Lambda zonde ES21063-12B1

Compatible with SEAT LEON ST (5F8) , VW GOLF VII Variant (BA5, BV5) , AUDI A3 (8V1, 8VK) Show more info
This Lambda zonde from DELPHI, part code ES21063-12B1, is designed for reliable performance. Ensure optimal engine function and emissions control with this quality component.
55.89 EUR
inc. VAT 21%
In stock 110
Delivery 1 day (14.05.2026)
PN ES21063-12B1
Make DELPHI
EAN 5012759575383

The DELPHI Lambda zonde, identified by part code ES21063-12B1, is engineered to provide accurate oxygen sensor readings. This is crucial for the engine control unit (ECU) to precisely manage the air-fuel mixture. Maintaining the correct air-fuel ratio is vital for several reasons. It directly impacts fuel efficiency, ensuring your vehicle consumes fuel optimally. It also plays a significant role in reducing harmful emissions, helping your vehicle meet environmental standards. By replacing a faulty or aging Lambda zonde with this DELPHI component, you can restore your vehicle's performance. Expect smoother engine operation, improved fuel economy, and a reduction in exhaust pollutants. This part is built to DELPHI's high standards for durability and consistent operation.

  • Direct fit for specified applications
  • Ensures accurate air-fuel ratio monitoring
  • Contributes to optimal fuel efficiency
  • Helps reduce harmful exhaust emissions
  • Restores engine performance and smooth operation
  • Manufactured by DELPHI for reliability
  • Part code: ES21063-12B1
Cable length [mm]
1296
Oxygen sensor
Wideband lambda sensor
Oxygen sensor
with heating
  • SEAT
    • LEON ST (5F8)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI (77kW/105PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI 4Drive (77kW/105PS)
      • 2.0 TDI 4Drive (110kW/150PS)
      • 1.6 TDI 4Drive (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
      • 1.6 TDI 4Drive (85kW/115PS)
    • LEON (5F1)
      • 1.6 TDI (77kW/105PS)
      • 1.6 TDI (66kW/90PS)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
    • LEON SC (5F5)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI (77kW/105PS)
      • 1.6 TDI (81kW/110PS)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (85kW/115PS)
    • IBIZA IV (6J5, 6P1)
      • 1.4 TDI (55kW/75PS)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
    • IBIZA IV SC (6J1, 6P5)
      • 1.4 TDI (55kW/75PS)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
    • IBIZA IV ST (6J8, 6P8)
      • 1.4 TDI (55kW/75PS)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
    • TOLEDO IV (KG3)
      • 1.4 TDI (66kW/90PS)
      • 1.6 TDI (85kW/115PS)
    • ATECA (KH7, KHP)
      • 1.6 TDI (85kW/115PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI 4Drive (110kW/150PS)
      • 2.0 TDI 4Drive (140kW/190PS)
    • LEON ST Furgons/Universālis (5F8)
      • 1.6 TDI (85kW/115PS)
  • VW
    • GOLF VII Variant (BA5, BV5)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI 4motion (81kW/110PS)
      • 2.0 GTD (135kW/184PS)
      • 1.6 TDI (85kW/115PS)
    • GOLF VII (5G1, BQ1, BE1, BE2)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI (81kW/110PS)
      • 2.0 GTD (135kW/184PS)
      • 1.6 TDI 4motion (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
    • GOLF SPORTSVAN VII (AM1, AN1)
      • 1.6 TDI (81kW/110PS)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI (85kW/115PS)
    • POLO V (6R1, 6C1)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (55kW/75PS)
      • 1.4 TDI (77kW/105PS)
    • PASSAT B8 (3G2, CB2)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (88kW/120PS)
      • 2.0 TDI 4motion (110kW/150PS)
    • PASSAT B8 Variant (3G5, CB5)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (88kW/120PS)
      • 2.0 TDI 4motion (110kW/150PS)
      • 2.0 TDI (81kW/110PS)
    • GOLF ALLTRACK VII Variant (BA5, BV5)
      • 1.6 TDI 4motion (81kW/110PS)
      • 2.0 TDI 4motion (110kW/150PS)
      • 2.0 TDI 4motion (135kW/184PS)
    • PASSAT ALLTRACK B8 Variant (3G5, CB5)
      • 2.0 TDI 4motion (110kW/150PS)
      • 2.0 TDI 4motion (140kW/190PS)
    • POLO Van V (6R1, 6C1)
      • 1.4 TDI (55kW/75PS)
      • 1.4 TDI (77kW/105PS)
    • TIGUAN (AD1, AX1)
      • 1.6 TDI (85kW/115PS)
    • ARTEON (3H7, 3H8)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI 4motion (140kW/190PS)
      • 2.0 TDI (140kW/190PS)
    • GOLF VII Van (5G1)
      • 1.6 TDi BlueMotion (81kW/110PS)
    • ARTEON SHOOTING BRAKE (3H9)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TDI 4motion (140kW/190PS)
  • AUDI
    • A3 (8V1, 8VK)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI quattro (135kW/184PS)
      • 2.0 TDI (100kW/136PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
    • A3 Sportback (8VA, 8VF)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI quattro (135kW/184PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI (100kW/136PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI quattro (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
      • 30 TDI (85kW/115PS)
      • 35 TDI (110kW/150PS)
      • 40 TDI quattro (135kW/184PS)
    • A3 Limousine (8VS, 8VM)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI (100kW/136PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI quattro (135kW/184PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI quattro (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
      • 30 TDI (85kW/115PS)
      • 35 TDI (110kW/150PS)
      • 40 TDI quattro (135kW/184PS)
    • A3 Kabriolets (8V7, 8VE)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
    • A1 (8X1, 8XK)
      • 1.6 TDI (85kW/115PS)
      • 1.4 TDI (66kW/90PS)
    • A1 Sportback (8XA, 8XF)
      • 1.6 TDI (85kW/115PS)
      • 1.4 TDI (66kW/90PS)
    • Q2 (GAB, GAG)
      • 1.6 TDI (85kW/115PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI quattro (110kW/150PS)
      • 2.0 TDI quattro (140kW/190PS)
      • 30 TDI (85kW/115PS)
      • 35 TDI quattro (110kW/150PS)
      • 35 TDI (110kW/150PS)
  • SKODA
    • OCTAVIA III (5E3, NL3, NR3)
      • 1.6 TDI (77kW/105PS)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (66kW/90PS)
      • 2.0 TDI RS (135kW/184PS)
      • 1.6 TDI (81kW/110PS)
      • 1.6 TDI 4x4 (77kW/105PS)
      • 2.0 TDI 4x4 (110kW/150PS)
      • 2.0 TDI / TDI RS 4x4 (135kW/184PS)
      • 1.6 TDI 4x4 (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
      • 1.6 TDI 4x4 (85kW/115PS)
    • OCTAVIA III Combi (5E5, 5E6)
      • 1.6 TDI (77kW/105PS)
      • 2.0 TDI (110kW/150PS)
      • 1.6 TDI (66kW/90PS)
      • 1.6 TDI 4x4 (77kW/105PS)
      • 2.0 TDI 4x4 (110kW/150PS)
      • 2.0 TDI RS (135kW/184PS)
      • 1.6 TDI (81kW/110PS)
      • 2.0 TDI / TDI RS 4x4 (135kW/184PS)
      • 1.6 TDI 4x4 (81kW/110PS)
      • 1.6 TDI (85kW/115PS)
      • 1.6 TDI 4x4 (85kW/115PS)
    • FABIA III (NJ3)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
      • 1.4 TDI (55kW/75PS)
    • FABIA III Universālis (NJ5)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
      • 1.4 TDI (55kW/75PS)
    • SUPERB III (3V3)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI (140kW/190PS)
      • 1.6 TDI (88kW/120PS)
      • 2.0 TDI 4x4 (140kW/190PS)
      • 2.0 TDI 4x4 (110kW/150PS)
    • SUPERB III Universālis (3V5)
      • 1.6 TDI (88kW/120PS)
      • 2.0 TDI (110kW/150PS)
      • 2.0 TDI (140kW/190PS)
      • 2.0 TDI 4x4 (140kW/190PS)
      • 2.0 TDI 4x4 (110kW/150PS)
    • RAPID (NH3, NK3, NK6)
      • 1.4 TDI (66kW/90PS)
      • 1.6 TDI (85kW/115PS)
    • RAPID Spaceback (NH1)
      • 1.4 TDI (66kW/90PS)
      • 1.6 TDI (85kW/115PS)
    • KAROQ (NU7, ND7)
      • 1.6 TDI (85kW/115PS)
      • 2.0 TDI 4x4 (110kW/150PS)
      • 2.0 TDI 4x4 (140kW/190PS)
      • 2.0 TDI (110kW/150PS)
    • OCTAVIA IV Combi (NX5, PV5)
      • 2.0 TDI 4x4 (110kW/150PS)
    • FABIA III Praktik (NJ5)
      • 1.4 TDI (66kW/90PS)
      • 1.4 TDI (77kW/105PS)
      • 1.4 TDI (55kW/75PS)
AUDI
04L906262 04L906262D
SEAT
04L906262 04L906262D
SKODA
04L906262 04L906262D
VW
04L906262 04L906262D
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