DENSO O2 Sensor (DOX-2051) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — for OE number: 46760863, Quality: OEM Quality, Manufacturer Restriction: DENSO, Thread Size: M18x1.5, Cable Length [mm]: 2030 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with ALFA ROMEO vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0 258 006 388, 0258006388, 0 258 006 411, 0258006411 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DENSO 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.

DENSO Corporation, founded in 1949 in Kariya, Japan, is one of the largest automotive component manufacturers in the world and a core member of the Toyota Group. DENSO specialises in spark plugs, alternators, starters, air conditioning systems, fuel pumps, and oxygen sensors. As the OE supplier to Toyota, Honda, Subaru, and many European manufacturers, DENSO products are built to exact original specifications. Choosing DENSO means factory-grade quality with Japanese precision engineering and global reliability.