Audi A4 Thermostat
Replacement thermostat — fitment, symptoms & live UK prices.
Fits Audi A4 — check your reg/VIN to confirm
From £8.95 · 6 live listings on eBay
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AUDI A2 A3 A4 1.2 1.4 1.9 2.0 2.5 TDI 2000-2013 COOLANT THERMOSTAT HOUSING PIPE
£8.95View ›
MEYLE Thermostat for AUDI A3, A4 B5, A6 C4 C5, TT 1.8T : 050 121 113 C
£9.99View ›
Coolant Thermostat fits AUDI A4 B8 2.0D 08 to 15 Firstline 03L121111AD Quality
£21.43View ›
Coolant Thermostat fits AUDI A4 B8 2.0D 08 to 15 B&B 03L121111AD 03L121111N New
£21.68View ›
AUDI A4 B6 B7 1.8T & 2.0 PETROL 2001-2009 THERMOSTAT & HOUSING WITH SENSOR
£23.50View ›
Coolant Thermostat fits AUDI A4 B8 2.0D 07 to 15 NAPA 03L121111AD 03L121111N New
£26.46View ›
Will it fit my Audi A4?
Match the part to your exact engine code and trim — confirm against your registration before buying.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Audi A4 thermostat needs replacing
- Worn, failed, or fault-code flagged
- Noise, leak, or warning light
- MOT advisory or failure
Fitting it yourself
Difficulty varies — check a model-specific guide before starting.
See Thermostat prices on eBayMore Audi A4 parts
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Live pricesFrom £8.95
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