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03L121111S - W9937002 THERMOSTAT / FOR SEAT VW GOLF 6 2011 1.6 TDI CAYC

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#126


VW Golf MK6 / Golf Plus 2011 1.6 TDI (CAYC) Thermostat with Housing

Part Number: 03L121111S

Alt / Ref: W9937002


Removed from a Volkswagen Golf MK6 / Golf Plus 2011 1.6 TDI (CAYC engine).

Genuine coolant thermostat with housing assembly, designed to regulate engine temperature by controlling coolant flow through the radiator.


Condition: Used item, may have minor marks, scratches or signs of wear due to storage and age. Fully functional unless stated.


Important: Please ensure the part number 03L121111S matches your existing unit before purchasing, as several revisions exist (e.g. 03L121111AJ / AN / R) depending on engine and cooling system setup.


Compatibility:

Fits VW Golf MK6 / Golf Plus 1.6 TDI models (2009–2015)

Engine codes: CAYC, CAYB, CAYD

Also used across Audi / Seat / Skoda 1.6 TDI common rail engines with the same part number.


Position:

Engine bay – mounted on engine block / coolant housing, connected to radiator hoses


Function:


* Regulates coolant flow to maintain optimal engine temperature

* Opens typically around ~90°C operating range

* Helps engine warm up quickly and prevents overheating


Additional Info:


* Supplied as complete unit (thermostat + housing)

* Common failure causes:

* Engine not reaching temperature

* Overcooling or overheating

* Poor heater performance

* Direct replacement OEM part for correct fitment

Type: Thermostat

Brand: Seat

Category: MOTOR / ADMISION / ESCAPE

Version: 1.6 TDI

Seller Warranty: 28 days

OE/OEM Part Number: 03L121111S - W9937002

Compatible Vehicle Make: Skoda

Color: Blanco

Manufacturer Part Number: 03L121111S - W9937002

Compatible Vehicle Model: LEON (1P1)

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03L121111S - W9937002 THERMOSTAT / FOR SEAT VW GOLF 6 2011 1.6 TDI CAYC

£16.00

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