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Lambda Sensor DELPHI ES20231-12B1
O2 Sensor DELPHI ES20231-12B1. Fits 28 car models (ALFA ROMEO, FIAT, LANCIA). Replaces 7 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- DELPHI
- Category
- O2 Sensor
- Cable Length [mm]
- 985 mm
- MPN
- ES20231-12B1
- SKU
- 0089-ES20231-12B1
- GTIN / EAN
- 5012759387900
- 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”.
Equivalent products. They fit in the same place.
5 available · 50 numbers In stock from £67.99 to £71.99.
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All 50 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.
- BorgWarner (BERU) 0824010069
- BorgWarner (BERU) 0824010170
- BorgWarner (BERU) OZH063
- BorgWarner (BERU) OZH136
- BOSCH 0 258 003 269
- BOSCH 0 258 003 271
- BOSCH 0 258 003 466
- BOSCH 0 258 003 469
- BOSCH 0 258 003 579
- BOSCH 0 258 003 772
- BOSCH 0 258 003 829
- BOSCH 0 258 006 189
- EFI 301362
- ELTA AUTOMOTIVE LEB208
- ELTA AUTOMOTIVE XLS1116
- EPS 1.997.022
- EPS 1.997.035
- EPS 1.997.385
- FACET 10.7022
- FACET 10.7035
- FACET 10.7385
- FAE 77161
- FUELPARTS LB1023
- FUELPARTS LB1334
- HELLA 6PA 009 165-051
- INTERMOTOR 13174
- INTERMOTOR 13174
- INTERMOTOR 16347
- INTERMOTOR 16347
- INTERMOTOR LOS243
- INTERMOTOR LOS243
- INTERMOTOR LOS639
- INTERMOTOR LOS639
- KW 497 022
- KW 497 035
- KW 497 385
- NGK 0213
- NGK 0213
- NGK 1876
- NGK 1876
- NGK 1993
- NGK 1993
- NGK OZA448-E7
- NGK OZA448-E7
- NGK OZA527-E7
- NGK OZA527-E7
- NGK OZA527-E36
- NGK OZA527-E36
- NGK OZA829-EE1
- PIERBURG 7.02604.04.0
Compatible cars. ALFA ROMEO, FIAT, LANCIA, 28 models.
Matched from the manufacturer's data.
O2 Sensor for ALFA ROMEOO2 Sensor for FIATO2 Sensor for LANCIA
| Model | Engines | Years |
|---|---|---|
| ALFA ROMEO3 models | ||
| ALFA ROMEO 145 (930) | 1.4 i.e. 16V T.S. (930.A3A), 1.6 i.e. (930.A2), 1.7 i.e. 16V (930.A1), 1.8 i.e. 16V T.S. (930.A1A), 2.0 16V T.S. (930.A5) | 1994–2001 |
| ALFA ROMEO 146 (930) | 1.4 i.e. 16V T.S. (930.B3A), 1.7 i.e. 16V (930.B1), 1.8 i.e. 16V T.S. (930.B1A), 2.0 16V T.S. (930.B5) | 1994–2001 |
| ALFA ROMEO 155 (167) | 1.6 16V T.S. (167.A6A), 1.7 T.S. 16V (167.A4N), 2.0 T.S. 16V (167.A2G) | 1992–1997 |
| FIAT17 models | ||
| FIAT BRAVO I (182) | 2.0 HGT 20V (182.AD) | 1995–2001 |
| FIAT COUPE (175) | 2.0 20V (175AXC1A), 2.0 20V Turbo | 1993–2000 |
| FIAT FIORINO Box Body/MPV (146) | 70 i.e. 1.4, 75 i.e. 1.6 | 1988– |
FIAT14 more models
| Model | Engines | Years |
|---|---|---|
| FIAT FIORINO MPV (146) | 1.4 (146RE), 1.6 iE (146RC, 146RF) | 1988–2000 |
| FIAT FIORINO Pick up (146) | 1.4, 1.6 | 1988–2001 |
| FIAT MAREA (185) | 2.0 150 20V | 1996–2007 |
| FIAT MAREA Weekend (185) | 2.0 150 20V | 1996–2007 |
| FIAT PANDA (141) | 1000 i.e. Cat, 1100, 1100 4x4, 1100 Trekking 4x4, 900 | 1980–2004 |
| FIAT PANDA Hatchback Van (141) | 1000 i.e | 1986–2004 |
| FIAT PUNTO (176) | 1.4 GT Turbo (176AD), 1.4 GT Turbo (176AS), 55 1.1, 60 1.2, 60 1.2 (176AP, 176AR, 176AQ, 176BB), 75 1.2 | 1993–1999 |
| FIAT PUNTO Convertible (176) | 60 1.2, 60 1.2 (176AR, 176BR) | 1994–2000 |
| FIAT PUNTO Van (176) | 1.1 | 1996–2000 |
| FIAT SEICENTO / 600 (187) | 0.9 (187AXA, 187AXA1A) | 1997–2010 |
| FIAT SEICENTO / 600 Hatchback Van (287) | 0.9 (187AXA) | 1998–2010 |
| FIAT TEMPRA (159) | 1.4 i.e. (159.AC, 159.AX), 1.6 i.e. (159.AS, 159.AT), 1.8 i.e. (159.BY) | 1990–1998 |
| FIAT TEMPRA S.W. (159) | 1.4 i.e. (159.AC, 159.AX), 1.6 i.e. (159.AE), 1.6 i.e. (159.AS, 159.AT), 1.8 i.e. (159.BY) | 1990–1997 |
| FIAT TIPO (160) | 1.4 i.e., 1.4 i.e. (160.AP, 160.AD, 160.EA) | 1987–1997 |
LANCIA8 models
| Model | Engines | Years |
|---|---|---|
| LANCIA DEDRA (835) | 1.8 i.e. (835AT), 1.8 i.e. (835BD, 835AD), 1.8 i.e. (835FA) | 1989–1999 |
| LANCIA DEDRA SW (835) | 1.8 i.e. (835FA) | 1994–1999 |
| LANCIA DELTA II (836) | 1.4 i.e. (836AF, 836AH), 1.6 i.e. (836AD), 1.8 i.e. (836AE), 1.8 i.e. (836AG, 836AL) | 1993–1999 |
| LANCIA KAPPA (838) | 2.0 16V Turbo (838AB1AA), 2.0 20V (838AA1AA), 2.0 20V (838AG1AA, 838AG11A), 2.0 20V Turbo (838AM1AA), 2.4 20V (838AC1AA, 838AC11A) | 1994–2001 |
| LANCIA KAPPA Coupe (838) | 2.0 16V Turbo (838CB), 2.0 20V Turbo (838CM), 2.4 20V (838CC) | 1996–2001 |
| LANCIA KAPPA SW (838) | 2.0 16V Turbo (838BB1AA), 2.0 20V (838BG1AA), 2.0 20V Turbo (838BM1AA), 2.4 20V (838BC1AA, 838BC11A) | 1996–2001 |
| LANCIA Y (840) | 1.2 (840AA, 840AF1A), 1.4 12V (840AB), 1.4 12V (840AC) | 1995–2003 |
| LANCIA Y10 (156) | 1.1 Fire (156AG), 1.1 Fire All-wheel Drive (156AG) | 1985–1995 |
Always verify compatibility with your vehicle before ordering.
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£50.00
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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