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Details
| Specification | Value |
|---|---|
| Brand | EFI AUTOMOTIVE |
| Category | O2 Sensor |
| Length [mm] | 350 mm |
| Number of pins | 4 -pin connector |
OE numbers (9)
Search by this OE number to find compatible parts
- BMW—11781247406
- BMW—11781433075
- BMW—11781742050
- BMW—11787513962
- BMW—11 78 7 547 313
- MINI—7685320
- ROVER—MHK 000210
- LAND ROVER—MHK210
- ROLLS-ROYCE—PB20364
Where this part fits
Original-fit position for OE 11787547313. The red ring marks where this part installs on the vehicle.
About this product
Sourced from EFI AUTOMOTIVE, this o2 sensor (301442) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 350 mm, Number of pins: Copper -pin connector, Available as universal article as well, see article no.: 301005 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit ALPINA, BMW, LAND ROVER 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: 0 258 003 477, 0 258 003 559, 0 258 005 309, 0 258 986 505 and 84 more. Matching these numbers confirms a like-for-like replacement with no loss of function. EFI AUTOMOTIVE 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (85)
Show all 85 OE numbers
O2 Sensor EFI AUTOMOTIVE 301442 — compatible car models
| Car models | ALPINA: ROADSTER V8 (E52); BMW: 1 (E87), 3 Compact (E36), 3 Compact (E46), 3 Convertible (E46), 3 Coupe (E36), 3 Coupe (E46), 3 (E36), 3 (E46), 3 (E90), 3 Touring (E46) (+14 more); LAND ROVER: RANGE ROVER III (L322) |
|---|---|
| Engines | 4.8 V8; 120 i; 316 i; 325 ti; 320 Ci; 318 is; 316 Ci; 320 i; 318 i; 520 i; 525 i; 728 i, iL; 730 i, Li; 840 Ci; 2.5 i (+6 more) |
| Year of manufacture | 1990-2013 |
| Manufacturer article number (MPN) | 301442 |
| OE part numbers | 11781247406, 11781433075, 11781742050, 11787513962, 11 78 7 547 313, 7685320, MHK 000210, MHK210, PB20364 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
EFI AUTOMOTIVE 301442 EFI - SENSOR. Available as universal article as well, see article no.: 301005. Length [mm]: 350 mm. Number of pins: 4 -pin connector
- 1x O2 Sensor
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 ALPINA, BMW, LAND ROVER 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 EFI AUTOMOTIVE O2 Sensor have?
This EFI AUTOMOTIVE O2 Sensor has the following specifications: Length [mm]: 350 mm; Number of pins: 4 -pin connector; Available as universal article as well, see article no.: 301005. 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: 11781247406, 11781433075, 11781742050, 11787513962, 11 78 7 547 313, 7685320, MHK 000210, MHK210 and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a O2 Sensor cost?
O2 Sensor prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this EFI AUTOMOTIVE O2 Sensor. All parts come with 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 11781247406?
Yes, this EFI AUTOMOTIVE O2 Sensor is a direct replacement for OE part number 11781247406. 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.
