OE part number 1866389 is a Coolant thermostat compatible with AUDI, CITROËN and other makes. Available from 9 brands, priced from £3.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant thermostat OE 1866389 prices range from £3.99 to £18.99, with 9 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 1866389 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 1866389 fits vehicles from AUDI, CITROËN, FIAT and other compatible models listed below.
What part type is 1866389?
OE 1866389 is an original equipment reference for a Coolant thermostat. It identifies the exact part specification used by the vehicle manufacturer.
How much does Coolant thermostat 1866389 cost?
Replacement parts for OE 1866389 cost between £3.99 and £18.99, depending on brand and specification.
Which brands make Coolant thermostat 1866389?
Dr!ve+, CALORSTAT by Vernet, VEMO, HEPU, ABAKUS all offer compatible replacements for OE 1866389.
Is 1866389 original equipment or aftermarket?
OE 1866389 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 1866389?
OE (Original Equipment) number 1866389 is a manufacturer's reference code for Coolant thermostat used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 9 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 1866389.
