OE part number 4065540 is a Coolant thermostat compatible with AC, ALFA ROMEO and other makes. Available from 8 brands, priced from £6.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Coolant thermostat OE 4065540 prices range from £6.99 to £16.99, with 8 brands offering compatible parts.
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Related cross-references
Cross-reference numbers associated with 4065540 — including both OEM part numbers and aftermarket alternatives. Each entry links to its own compatibility and pricing page.
OE 4065540 fits vehicles from AC, ALFA ROMEO, AUDI and other compatible models listed below.
What part type is 4065540?
OE 4065540 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 4065540 cost?
Replacement parts for OE 4065540 cost between £6.99 and £16.99, depending on brand and specification.
Which brands make Coolant thermostat 4065540?
MOTORAD, NRF, CALORSTAT by Vernet, MAHLE, NTY all offer compatible replacements for OE 4065540.
Is 4065540 original equipment or aftermarket?
OE 4065540 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 4065540?
OE (Original Equipment) number 4065540 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 8 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 4065540.
