Audi A4 Glow Plugs
Replacement glow plugs — fitment, symptoms & live UK prices.
Fits Audi A4 — check your reg/VIN to confirm
Glow Plugs
£8–£25 each; a set of 4 typically £30–£70.
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Will it fit my Audi A4?
Diesel only. Match the engine code — plug length/voltage differs between 1.6 and 2.0 TDI.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Audi A4 glow plugs needs replacing
- Hard starting when cold
- Glow-plug warning light
- White smoke on cold start
- Rough idle until warm
Fitting it yourself
Accessible on most TDI engines but seized plugs can shear — go slow, use penetrating oil.
Torque: Typically 10–15 Nm — over-tightening snaps them.
See Glow Plugs prices on eBayMore Audi A4 parts
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Live prices£8–£25 each; a set of 4 typically £30–£70.
View on eBay