Home / OE Number Search / O2 Sensor / 81645 OE 81645 — O2 Sensor Compare 24 brands — check fitment and order online
41 matching parts
About OE part number 81645 OE part number 81645 is a O2 Sensor compatible with ABARTH, ALFA ROMEO and other makes. Available from 24 brands, priced from £37.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
O2 Sensor OE 81645 prices range from £37.99 to £121.99, with 24 brands offering compatible parts.
Fits these vehicles OE 81645 is compatible with the following make/model combinations:
Make Models FORD FOCUS III, FOCUS III Turnier, C-MAX II (DXA/CB7, DXA/CEU), FOCUS II (DA, HCP, DP) +3 OPEL ASTRA H Estate (A04), ASTRA H (A04), ASTRA H GTC (A04)
Available brands Choose a brand to see their compatible parts for OE 81645.
O2 Sensor OEM 81645: Cost & Alternatives
Price range from £37.99 — £121.99
Total products 41 from 24 brands Relevance Price: Low to High Price: High to Low Brand: A-Z ERA O2 Sensor — ERA 570312A OE 81645 MPN 570312A
EAN 8053379926244
M18x1.5 · 650 mm · 600 mm · 4 -pin connector Details
Thread Size M18x1.5
Overall Length [mm] 650 mm
Cable Length [mm] 600 mm
Number of pins 4 -pin connector CompareDELPHI O2 Sensor — DELPHI ES20443-12B1 OE 81645 MPN ES20443-12B1
EAN 5012759506356
630 mm · 2 · 5 Details
Cable Length [mm] 630 mm
Oxygen Sensor 2
Oxygen Sensor 5 CompareESEN SKV O2 Sensor — ESEN SKV 09SKV577 OE 81645 MPN 09SKV577
12 V · 720 mm · 0,15 kg · 9 Ohm Details
Voltage [V] 12 V
Length [mm] 720 mm
Weight [kg] 0,15 kg
Resistor [Ohm] 9 Ohm CompareNTK O2 Sensor — NTK 95801 OE 81645 MPN 95801
EAN 087295958018
269 · 2 · 8 · 4 Details
Supplementary Article/Info 2 269
Oxygen Sensor 2
Oxygen Sensor 8
Number of circuits 4 CompareDELPHI O2 Sensor — DELPHI ES20453-12B1 OE 81645 MPN ES20453-12B1
EAN 5012759511817
720 mm · 2 · 5 Details
Cable Length [mm] 720 mm
Oxygen Sensor 2
Oxygen Sensor 5 CompareVEMO O2 Sensor — VEMO V25-76-0017 OE 81645 MPN V25-76-0017
EAN 4046001433054
1 327 549 · 178 · 600 mm · M18 x 1,5 Details
for OE number 1 327 549
Fitting Position 178
Length [mm] 600 mm
Thread Size M18 x 1,5 CompareDELPHI O2 Sensor — DELPHI ES21184-12B1 OE 81645 MPN ES21184-12B1
EAN 5012759576595
628 mm · 2 · 5 Details
Cable Length [mm] 628 mm
Oxygen Sensor 2
Oxygen Sensor 5 CompareDELPHI O2 Sensor — DELPHI ES20448-12B1 OE 81645 MPN ES20448-12B1
EAN 5012759506301
270 mm · 2 · 5 Details
Cable Length [mm] 270 mm
Oxygen Sensor 2
Oxygen Sensor 5 CompareMAGNETI MARELLI O2 Sensor — MAGNETI MARELLI 466016355090 OE 81645 MPN 466016355090
EAN 8001063998800
525 mm · 9 Ohm · 525 mm · 4 conductor Details
Length [mm] 525 mm
Resistor [Ohm] 9 Ohm
Cable Length [mm] 525 mm
Conductor Number 4 conductor CompareFEBI BILSTEIN O2 Sensor — FEBI BILSTEIN 175872 OE 81645 MPN 175872
EAN 4054224758724
178 · 0,112 kg · 22 · 390 mm Details
Fitting Position 178
Weight [kg] 0,112 kg
Spanner Size 22
Cable Length [mm] 390 mm CompareFEBI BILSTEIN O2 Sensor — FEBI BILSTEIN 175955 OE 81645 MPN 175955
EAN 4054224759554
0,130 kg · 22 · 920 mm · 2 Details
Weight [kg] 0,130 kg
Spanner Size 22
Cable Length [mm] 920 mm
Oxygen Sensor 2 CompareFEBI BILSTEIN O2 Sensor — FEBI BILSTEIN 175852 OE 81645 MPN 175852
EAN 4054224758526
1 300 544 · 0,085 kg · 22 · 400 mm Details
for OE number 1 300 544
Weight [kg] 0,085 kg
Spanner Size 22
Cable Length [mm] 400 mm CompareFEBI BILSTEIN O2 Sensor — FEBI BILSTEIN 175873 OE 81645 MPN 175873
EAN 4054224758731
178 · 0,177 kg · 22 · 820 mm Details
Fitting Position 178
Weight [kg] 0,177 kg
Spanner Size 22
Cable Length [mm] 820 mm CompareBLUE PRINT O2 Sensor — BLUE PRINT ADBP700023 OE 81645 MPN ADBP700023
EAN 5057746271114
0,085 kg · 22 · 400 mm · 2 Details
Weight [kg] 0,085 kg
Spanner Size 22
Cable Length [mm] 400 mm
Oxygen Sensor 2 CompareNTK O2 Sensor — NTK 90043 OE 81645 MPN 90043
EAN 087295900437
635 mm · 8 · 2 · 4 Details
Length [mm] 635 mm
Oxygen Sensor 8
Oxygen Sensor 2
Number of circuits 4 CompareNTK O2 Sensor — NTK 91461 OE 81645 MPN 91461
EAN 087295914618
800 mm · 8 · 2 · 4 Details
Length [mm] 800 mm
Oxygen Sensor 8
Oxygen Sensor 2
Number of circuits 4 CompareNTK O2 Sensor — NTK 1659 OE 81645 MPN 1659
EAN 087295116593
600 mm · 8 · 4 Details
Length [mm] 600 mm
Oxygen Sensor 8
Number of circuits 4 CompareFAE O2 Sensor — FAE 77446 OE 81645 MPN 77446
EAN 8435050637678
650 mm · 4 -pin connector · Universal 77015 · 5 Details
Length [mm] 650 mm
Number of pins 4 -pin connector
Technical Information Number Universal 77015
Oxygen Sensor 5 CompareCONTINENTAL/VDO O2 Sensor — CONTINENTAL/VDO A2C59513315Z OE 81645 MPN A2C59513315Z
EAN 4103590941800
650 mm · 4 Details
Length [mm] 650 mm
Number of circuits 4 CompareVALEO O2 Sensor — VALEO 368239 OE 81645 MPN 368239
EAN 3276423682391
177 · 178 · 0,123 kg · M18x1,5 Details
Fitting Position 177
Fitting Position 178
Weight [kg] 0,123 kg
Thread Size M18x1,5 ComparePIERBURG O2 Sensor — PIERBURG 7.02604.65.0 OE 81645 MPN 7.02604.65.0
EAN 4028977705618
12 V · 178 · 525 mm · 4 conductor Details
Voltage [V] 12 V
Fitting Position 178
Cable Length [mm] 525 mm
Conductor Number 4 conductor CompareNTK O2 Sensor — NTK 91213 OE 81645 MPN 91213
EAN 087295912133
720 mm · 2 · 8 · 4 Details
Length [mm] 720 mm
Oxygen Sensor 2
Oxygen Sensor 8
Number of circuits 4 CompareMEAT & DORIA O2 Sensor — MEAT & DORIA 81645 OE 81645 MPN 81645
EAN 8033419353377
1536254 · 600 mm · 4 -pin connector · 2 Details
for OE number 1536254
Cable Length [mm] 600 mm
Number of pins 4 -pin connector
Oxygen Sensor 2 CompareDENCKERMANN Brake pad set — DENCKERMANN B111002 OE 81645 MPN B111002
EAN 5901225754448
Front Axle · 69,7 mm · 76 mm · 4 Details
Fitting Position Front Axle
Height 1 [mm] 69,7 mm
Height 2 [mm] 76 mm
Wear Warning Contact 4 CompareTRW Brake pad set — TRW GDB1668 OE 81645 MPN GDB1668
EAN 3322937475742
ATE · E9 90R - 01107/788 · 76 mm · 70,7 mm Details
Manufacturer Restriction ATE
Test Mark E9 90R - 01107/788
Height 1 [mm] 76 mm
Height 2 [mm] 70,7 mm CompareESEN SKV Charge Air Hose — ESEN SKV 54SKV010 OE 81645 MPN 54SKV010
EAN 5903968421465
0,57 kg · 3 Details
Weight [kg] 0,57 kg
Guarantee 3 CompareESEN SKV Charge Air Hose — ESEN SKV 24SKV606 OE 81645 MPN 24SKV606
EAN 5901947353905
Left Front · 442 mm · 0,69 kg · 7 Details
Fitting Position Left Front
Length [mm] 442 mm
Weight [kg] 0,69 kg
Colour 7 CompareFEBI BILSTEIN Sensor, exhaust pressure — FEBI BILSTEIN 181002 OE 81645 MPN 181002
EAN 4054224810026
1 369 263 · 0,06 kg · 92 · 3 Details
for OE number 1 369 263
Weight [kg] 0,06 kg
Sensor Type 92
Number of connectors 3 CompareFAST Charge Air Hose — FAST FT61534 OE 81645 MPN FT61534
EAN 5901797074494
54 mm · FT61535 Details
Inner Diameter [mm] 54 mm
paired article number FT61535 CompareNRF Charge Air Hose — NRF 166390 OE 81645 MPN 166390
EAN 8718042414564
153 · 184 Details
Fitting Position 153
Supplementary Article/Info 2 184 CompareTRW Brake pad set — TRW GDB1668DTE OE 81645 MPN GDB1668DTE
EAN 3322938207212
ATE · E9 90R-02A1062/0788 · 76 mm · 70,7 mm Details
Manufacturer Restriction ATE
Test Mark E9 90R-02A1062/0788
Height 1 [mm] 76 mm
Height 2 [mm] 70,7 mm CompareRAP BRAKES Brake pad set — RAP BRAKES R-P0548 OE 81645 MPN R-P0548
EAN 5902701015473
Front Axle · 76 mm · 70,7 mm · ATE Details
Fitting Position Front Axle
Height 1 [mm] 76 mm
Height 2 [mm] 70,7 mm
Brake System ATE CompareABAKUS Charge Air Hose — ABAKUS 054-028-011 OE 81645 MPN 054-028-011
153 · Left · 44 Details
Fitting Position 153
Fitting Position Left
Material 44 CompareDACO Germany Brake pad set — DACO Germany 322703 OE 81645 MPN 322703
EAN 4260530790499
ATE · 76 mm · 70,7 mm · 1 Details
Manufacturer Restriction ATE
Height 1 [mm] 76 mm
Height 2 [mm] 70,7 mm
Wear Warning Contact 1 CompareGATES Charge Air Hose — GATES 09-0035 OE 81645 MPN 09-0035
EAN 5400608255119
7 · 176 · 55 mm · 55 mm Details
Colour 7
Material 176
Inner Diameter 1 [mm] 55 mm
Inner Diameter 2 [mm] 55 mm CompareORIGINAL IMPERIUM Charge Air Hose — ORIGINAL IMPERIUM 222674 OE 81645 MPN 222674
EAN 8041680511938
9065282282 · 153 · 351 mm · 4 Details
for OE number 9065282282
Fitting Position 153
Length [mm] 351 mm
Material 4 CompareFEBI BILSTEIN Charge Air Hose — FEBI BILSTEIN 49227 OE 81645 MPN 49227
EAN 4027816492276
153 · Left · 0,569 kg · 54 mm Details
Fitting Position 153
Fitting Position Left
Weight [kg] 0,569 kg
Inner Diameter [mm] 54 mm CompareBORG & BECK Charge Air Hose — BORG & BECK BTH1355 OE 81645 MPN BTH1355
EAN 5055807766333
OE PUSH CONNECTOR · 7 · 176 · 55 mm Details
Connector type OE PUSH CONNECTOR
Colour 7
Material 176
Inner Diameter 1 [mm] 55 mm CompareMEAT & DORIA Injector Valve — MEAT & DORIA 75117155 OE 81645 MPN 75117155
EAN 8033419270643
9809802380 · 1 · 4 -pin connector Details
for OE number 9809802380
Fuel Type 1
Number of pins 4 -pin connector CompareTechnical Specifications Show all specifications Attribute Value Guarantee 3 years guarantee Weight [kg] 0,139 Cable Length [mm] 350 Manufacturer HYUNDAI Length [mm] 320 Overall Length [mm] 570 Housing Colour blue Length [mm] 630 Manufacturer Restriction NTK Overall Length [mm] 700
Best Prices Free UK Delivery Secure Payment 2.5M+ PartsRelated cross-references Cross-reference numbers associated with 81645 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
Top OE numbers for O2 Sensor Common original equipment numbers linked to stocked alternatives.
Frequently Asked Questions What does OE number 81645 fit? OE 81645 fits vehicles from ABARTH, ALFA ROMEO, ASTON MARTIN and other compatible models listed below.
What part type is 81645? OE 81645 is an original equipment reference for a O2 Sensor. It identifies the exact part specification used by the vehicle manufacturer.
How much does O2 Sensor 81645 cost? Replacement parts for OE 81645 cost between £37.99 and £121.99, depending on brand and specification.
Which brands make O2 Sensor 81645? FEBI BILSTEIN, NTK, DELPHI, ESEN SKV, MAGNETI MARELLI all offer compatible replacements for OE 81645.
Is 81645 original equipment or aftermarket? OE 81645 is an original equipment reference used by FORD, OPEL, PEUGEOT. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements tested against the same specification.
What is OE number 81645? OE (Original Equipment) number 81645 is a manufacturer's reference code for O2 Sensor used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 24 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 81645.