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BrandBLUE PRINT
MPNADM57072
OE refs3
SKU0350-ADM57072
GTIN / EAN5050063210255

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Details

SpecificationValue
BrandBLUE PRINT
MPNadm57072
CategoryO2 Sensor
Weight [kg]0.01 kg
Cable Length [mm]540 mm
External Thread SizeM18 x 1.5

OE/OEM numbers (3)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE L37K18861. The red ring marks where this part installs on the vehicle.

PART — Others
OthersPosition main

About this product

The BLUE PRINT O2 Sensor (ADM57072) 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: Weight [kg]: 0, 01 kg, Cable Length [mm]: 540 mm, Oxygen Sensor: Aluminium, Number of circuits: Copper, External Thread Size: M18 x 1, Rubber. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit MAZDA 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: 1952, 5481FB0017345, 5481FB0017445, 5481FB0017532 and 16 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BLUE PRINT 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.

About BLUE PRINT

Blue Print, part of the bilstein group in Ennepetal, Germany, is a specialist aftermarket brand dedicated to Asian vehicle applications — Japanese, Korean, and Chinese cars. Blue Print offers over 20,000 parts covering engine, braking, suspension, steering, filtration, and drivetrain systems for vehicles from Toyota, Honda, Nissan, Hyundai, Kia, and more. All parts meet OE specifications with IATF 16949 certified quality management. Blue Print fills a vital niche for workshops working on Asian-brand vehicles, providing European-quality assurance with Asian-vehicle expertise.

Suitable cars

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O2 Sensor BLUE PRINT ADM57072compatible car models

Car modelsMAZDA: CX-7 (ER)
Engines2.3 DISi
Year of manufacture2006-2014
Manufacturer article number (MPN)ADM57072
OE part numbersL37K-18-861, L37K-18-861A, L37K-18-861B
Compatibility check

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Description and what's included

BLUE PRINT adm57072 O2 Sensor. Cable Length [mm]: 540 mm. External Thread Size: M18 x 1,5. Number of circuits: 4. Oxygen Sensor: 2. Weight [kg]: 0,01 kg

What's included:
  • 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 MAZDA 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 BLUE PRINT O2 Sensor have?

This BLUE PRINT O2 Sensor has the following specifications: Weight [kg]: 0,01 kg; Cable Length [mm]: 540 mm; Oxygen Sensor: 2; Number of circuits: 4; External Thread Size: M18 x 1,5. 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: L37K-18-861, L37K-18-861A, L37K-18-861B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a O2 Sensor cost?

This BLUE PRINT O2 Sensor is available for £62.99. O2 Sensor prices vary depending on brand, specifications, and vehicle compatibility. BLUE PRINT 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 L37K-18-861?

Yes, this BLUE PRINT O2 Sensor is a direct replacement for OE part number L37K-18-861. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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