OE part number LLB523 is a O2 Sensor compatible with ASTON MARTIN, AUDI and other makes. Available from 5 brands, priced from £40.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
O2 Sensor OE LLB523 prices range from £40.99 to £72.99, with 5 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with LLB523 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE LLB523 fits vehicles from ASTON MARTIN, AUDI, CADILLAC and other compatible models listed below.
What part type is LLB523?
OE LLB523 is an original equipment reference for a O2 Sensor. It identifies the exact part specification used by the vehicle manufacturer.
How much does O2 Sensor LLB523 cost?
Replacement parts for OE LLB523 cost between £40.99 and £72.99, depending on brand and specification.
Which brands make O2 Sensor LLB523?
ESEN SKV, NTK, DELPHI, FEBI BILSTEIN, BLUE PRINT all offer compatible replacements for OE LLB523.
Is LLB523 original equipment or aftermarket?
OE LLB523 is an original equipment reference assigned by the vehicle manufacturer. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements that meet the same specification.
What is OE number LLB523?
OE (Original Equipment) number LLB523 is a manufacturer's reference code for O2 Sensor used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 5 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE LLB523.
