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Details
| Specification | Value |
|---|---|
| Brand | HART |
| Category | O2 Sensor |
OE/OEM numbers (95)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—000 540 24 17
- MERCEDES-BENZ—000 540 26 17
- MERCEDES-BENZ—000 540 27 17
- MERCEDES-BENZ—000 540 29 17
- MERCEDES-BENZ—000 540 38 17
- MERCEDES-BENZ—000 540 41 17
- MERCEDES-BENZ—000 540 45 17
- MERCEDES-BENZ—000 540 49 17
- MERCEDES-BENZ—000 540 50 17
- MERCEDES-BENZ—000 540 51 17
- MERCEDES-BENZ—000 540 55 17
- MERCEDES-BENZ—000 540 56 17
- MERCEDES-BENZ—000 540 59 17
- MERCEDES-BENZ—000 540 73 17
- MERCEDES-BENZ—000 540 82 17
- MERCEDES-BENZ—000 540 83 17
- MERCEDES-BENZ—000 540 86 17
- MERCEDES-BENZ—001 540 13 17
- MERCEDES-BENZ—001 540 16 17
- VW—021 906 265 A
- VW—021 906 265 B
- SEAT / VW—021 906 265 N
- VW—030 906 265 AP
- VW—030 906 265 R
- VW—037 906 265 S
- BMW—11 76 1 714 772
- BMW—11 78 1 247 235
- BMW—11 78 1 247 475
- BMW—11 78 1 468 620
- BMW—11 78 1 468 621
- BMW—11 78 1 468 630
- BMW—11 78 1 702 931
- BMW—11 78 1 702 951
- BMW—11 78 1 704 259
- BMW—11 78 1 714 772
- BMW—11 78 1 716 114
- BMW—11 78 1 720 019
- BMW—11 78 1 720 536
- BMW—11 78 1 720 672
- BMW—11 78 1 720 860
- BMW—11 78 1 726 321
- BMW—11 78 1 727 451
- BMW—11 78 1 730 005
- BMW—11 78 1 730 007
- BMW—11 78 1 733 628
- BMW—11 78 1 734 345
- BMW—11 78 1 734 390
- BMW—11 78 1 734 393
- BMW—11 78 1 734 796
- BMW—11 78 1 735 345
- BMW—11 78 1 735 499
- BMW—11 78 1 735 500
- BMW—11 78 1 735 710
- BMW—11 78 1 738 331
- BMW—11 78 1 739 642
- BMW—11 78 1 741 317
- BMW—11 78 1 742 023
- BMW—11 78 1 747 005
- BMW—11 78 1 747 579
- VOLVO—1271576
- ALFA ROMEO—46420613
- ALFA ROMEO—46423907
- ALFA ROMEO—46423987
- ALFA ROMEO—46453271
- ALFA ROMEO—46519513
- ALFA ROMEO—46523499
- ALFA ROMEO—46549674
- MERCEDES-BENZ—5408317
- CHRYSLER—56041 056
- ALFA ROMEO—60812599
- RENAULT / RENAULT KOREA—77 02 218 649
- TOYOTA—89465 39226
- PORSCHE—964 606 124 01
- MERCEDES-BENZ—A 000 540 24 17
- MERCEDES-BENZ—A 000 540 26 17
- MERCEDES-BENZ—A 000 540 27 17
- MERCEDES-BENZ—A 000 540 29 17
- MERCEDES-BENZ—A 000 540 38 17
- MERCEDES-BENZ—A 000 540 41 17
- MERCEDES-BENZ—A 000 540 45 17
- MERCEDES-BENZ—A 000 540 49 17
- MERCEDES-BENZ—A 000 540 50 17
- MERCEDES-BENZ—A 000 540 51 17
- MERCEDES-BENZ—A 000 540 55 17
- MERCEDES-BENZ—A 000 540 56 17
- MERCEDES-BENZ—A 000 540 59 17
- MERCEDES-BENZ—A 000 540 73 17
- MERCEDES-BENZ—A 000 540 82 17
- MERCEDES-BENZ—A 000 540 83 17
- MERCEDES-BENZ—A 000 540 86 17
- MERCEDES-BENZ—A 001 540 13 17
- MERCEDES-BENZ—A 001 540 16 17
- CITROËN/PEUGEOT / PEUGEOT—E 144 008
- MAZDA—FSC1-18-861B
- MAZDA—JE08-18-861B
Where this part fits
Original-fit position for OE 021906265N. The red ring marks where this part installs on the vehicle.
About this product
The HART O2 Sensor (514 104) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Number of circuits: Copper. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit BERTONE, BMW, CITROËN, FIAT and 11 other makes models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 000 540 24 17, 000 540 26 17, 000 540 27 17, 000 540 29 17 and 92 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HART is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
No equivalent parts found.
O2 Sensor HART 514 104 — compatible car models
| Car models | BERTONE: FREECLIMBER 2; BMW: 3 Compact (E36), 3 Convertible (E30), 3 Convertible (E36), 3 Coupe (E36), 3 (E30), 3 (E36), 3 Touring (E30), 3 Touring (E36), 5 (E28), 5 (E34) (+7 more); CITROËN: XANTIA Break (X1, X2), XANTIA (X1, X2), XM Break (Y3), XM Break (Y4), XM (Y3), XM (Y4); FIAT: BRAVA (182), CROMA (154), MAREA (185), PALIO (178, 171, 371), PALIO Weekend (178, 173, 373, 374, 171), PUNTO (176) |
|---|---|
| Engines | 1.6; 316 g; 318 i; 316 i; 520 i; 518 i; 518 g; M 635 CSi; 730 i, iL V8; 730 i, iL; 840 i; 2.5; 1.8 i; 3.0 V6; 3.0 i 24V (+7 more) |
| Year of manufacture | 1975-2007 |
| Manufacturer article number (MPN) | 514 104 |
| OE part numbers | 000 540 24 17, 000 540 26 17, 000 540 27 17, 000 540 29 17, 000 540 38 17, 000 540 41 17, 000 540 45 17, 000 540 49 17, 000 540 50 17, 000 540 51 17, 000 540 55 17, 000 540 56 17, 000 540 59 17, 000 540 73 17, 000 540 82 17, 000 540 83 17, 000 540 86 17, 001 540 13 17, 001 540 16 17, 021 906 265 A (+75 more) |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
HART 514104 O2 Sensor. Number of circuits: 4
- 1x O2 Sensor
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this O2 Sensor compatible with my car?
This O2 Sensor fits BERTONE, BMW, CITROËN, FIAT, JEEP and 10 more vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this HART O2 Sensor have?
This HART O2 Sensor has the following specifications: Number of circuits: 4. Check the full specifications table above for complete details.
What OE part numbers does this O2 Sensor replace?
This O2 Sensor replaces OE part numbers: 000 540 24 17, 000 540 26 17, 000 540 27 17, 000 540 29 17, 000 540 38 17, 000 540 41 17, 000 540 45 17, 000 540 49 17 and 87 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a O2 Sensor cost?
This HART O2 Sensor is available for £42.99. O2 Sensor prices vary depending on brand, specifications, and vehicle compatibility. HART parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my O2 Sensor?
Symptoms include increased fuel consumption, rough idle, failed emissions test, check engine light, or reduced engine performance.
What tools do I need to replace a O2 Sensor?
Tools needed: lambda sensor socket wrench (22mm slotted), penetrating oil (apply 24 hours before removal on vehicles with high mileage or corrosion), oxygen sensor thread chaser, torque wrench (40-55 Nm), OBD-II scanner. Difficulty: Moderate DIY. Safety warning: Only remove on a fully cold exhaust. Apply penetrating oil the day before on older vehicles to avoid breaking the sensor in the bung -- a broken sensor requires professional extraction equipment.
Can I use this part as a replacement for OE 000 540 24 17?
Yes, this HART O2 Sensor is a direct replacement for OE part number 000 540 24 17. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
