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Lambda Sensor DELPHI ES21120-12B1
O2 Sensor DELPHI ES21120-12B1. Fits 13 car models (AUDI, SEAT, SKODA +1), 1995–2013. Replaces 7 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- DELPHI
- Category
- O2 Sensor
- Cable Length [mm]
- 605 mm
- MPN
- ES21120-12B1
- SKU
- 0089-ES21120-12B1
- GTIN / EAN
- 5012759575956
- What's included
- 1x O2 Sensor
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- AUDI / SEAT / SKODA / VW036906265A
- SEAT / VW036906265B
- AUDI / SEAT / SKODA / VW036906265E
- AUDI06A906265A
- SEAT / VW06A906265AC
- AUDI / SEAT / SKODA / VW06A906265P
- AUDI / SEAT / SKODA / VW06A906265Q
Equivalent products. They fit in the same place.
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All 16 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- BOSCH 0 258 005 143
- EFI AUTOMOTIVE 301005
- EFI AUTOMOTIVE 301340
- ERA 570075A
- ERA 570133
- ERA 570133A
- FACET 10.7175
- FAE 77139
- FEBI BILSTEIN 175835
- FEBI BILSTEIN 177511
- HELLA 6PA 009 166-951
- HELLA 6PA 358 103-451
- MEAT & DORIA 81768
- PIERBURG 7.05271.03.0
- VALEO 368450
- VEMO V10-76-0057
Compatible cars. AUDI, SEAT, SKODA +1, 13 models.
Matched from the manufacturer's data. Production years 1995–2013.
O2 Sensor for AUDIO2 Sensor for SEATO2 Sensor for SKODAO2 Sensor for VW
| Model | Engines | Years |
|---|---|---|
| AUDI1 model | ||
| AUDI A3 (8L1) | 1.6 | 1996–2006 |
| SEAT4 models | ||
| SEAT ALHAMBRA (7V8, 7V9) | 1.8 T 20V | 1996–2010 |
| SEAT AROSA (6H1) | 1.0, 1.4 16V | 1997–2004 |
| SEAT LEON (1M1) | 1.4 16V | 1999–2006 |
| SEAT TOLEDO II (1M2) | 1.4 16V | 1998–2006 |
| SKODA1 model | ||
| SKODA OCTAVIA I (1U2) | 1.6 | 1996–2010 |
VW7 models
| Model | Engines | Years |
|---|---|---|
| VW BORA I (1J2) | 1.4 16V | 1998–2013 |
| VW BORA Variant (1J6) | 1.4 16V | 1999–2005 |
| VW GOLF IV (1J1) | 1.4 16V | 1997–2008 |
| VW GOLF IV Variant (1J5) | 1.4 16V | 1999–2006 |
| VW LUPO I (6X1, 6E1) | 1.0, 1.4 16V | 1998–2005 |
| VW POLO (6N2) | 1.4 16V | 1999–2001 |
| VW SHARAN (7M8, 7M9, 7M6) | 1.8 T 20V | 1995–2010 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
DELPHI
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10