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Details
| Specification | Value |
|---|---|
| Brand | HERTH+BUSS ELPARTS |
| Category | O2 Sensor |
| Thread Size | M18x1.5 |
| Cable Length [mm] | 482 mm |
OE numbers (5)
About this product
Sourced from HERTH+BUSS ELPARTS, this o2 sensor (70685602) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Thread Size: M18x1, Rubber, Cable Length [mm]: 482 mm, Oxygen Sensor: Ceramic, Oxygen Sensor: Aluminium, Number of circuits: Copper — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit POLESTAR, VOLVO 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: 0893692, 290960776, 31439480, 31439593 and 15 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HERTH+BUSS ELPARTS 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 (15)
O2 Sensor HERTH+BUSS ELPARTS 70685602 — compatible car models
| Car models | POLESTAR: POLESTAR 1 (232); VOLVO: S60 III (224), S90 II (234), V40 Cross Country (526), V40 Estate (645), V40 Hatchback (525), V60 II (225), V60 II Cross Country (227), V90 II Cross Country (236), V90 II Estate (235), XC40 (536) (+2 more) |
|---|---|
| Engines | PHEV AWD; T4; 2.0; D2; 2.0 T; 2.0 T6 Drive-E Polestar AWD; D3 AWD; B6 Mild-Hybrid AWD; D3; B4 Plug-In Hybrid AWD; D4 |
| Year of manufacture | 1995-2019 |
| Manufacturer article number (MPN) | 70685602 |
| OE part numbers | 31439480, 31439593, 31439621, 32253663, 32253666 |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
HERTH+BUSS ELPARTS 70685602 O2 Sensor. Cable Length [mm]: 482 mm. Number of circuits: 4. Oxygen Sensor: 2. Oxygen Sensor: 7. Thread Size: M18x1,5
- 1x O2 Sensor
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 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 POLESTAR, VOLVO 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 HERTH+BUSS ELPARTS O2 Sensor have?
This HERTH+BUSS ELPARTS O2 Sensor has the following specifications: Thread Size: M18x1,5; Cable Length [mm]: 482 mm; Oxygen Sensor: 7; Oxygen Sensor: 2; 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: 31439480, 31439593, 31439621, 32253663, 32253666. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a O2 Sensor cost?
This HERTH+BUSS ELPARTS O2 Sensor is available for £93.99. O2 Sensor prices vary depending on brand, specifications, and vehicle compatibility. HERTH+BUSS ELPARTS 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 31439480?
Yes, this HERTH+BUSS ELPARTS O2 Sensor is a direct replacement for OE part number 31439480. 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.
