OE part number 135321 is a O2 Sensor compatible with ALFA ROMEO, AUDI and other makes. Available from 7 brands, priced from £67.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
O2 Sensor OE 135321 prices range from £67.99 to £192.99, with 7 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 135321 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 135321 fits vehicles from ALFA ROMEO, AUDI, BMW and other compatible models listed below.
What part type is 135321?
OE 135321 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 135321 cost?
Replacement parts for OE 135321 cost between £67.99 and £192.99, depending on brand and specification.
Which brands make O2 Sensor 135321?
MEAT & DORIA, NTK, AS-PL, METZGER AUTOTEILE, TOPRAN all offer compatible replacements for OE 135321.
Is 135321 original equipment or aftermarket?
OE 135321 is an original equipment reference used by FORD, AUDI, SEAT. The parts listed below are quality-matched aftermarket and OEM-equivalent replacements tested against the same specification.
What is OE number 135321?
OE (Original Equipment) number 135321 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 7 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 135321.