Audi A6 C6 Spark Plugs
Replacement spark plugs — fitment, symptoms & live UK prices.
Fits Audi A6 C6 — check your reg/VIN to confirm
From £10.99 · 6 live listings on eBay
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Will it fit my Audi A6 C6?
Petrol only. Gap, heat range and thread length are engine-specific — the wrong plug can misfire or, in the worst case, contact the piston.
Tip: filter by your reg on eBay's compatibility check, or match the part number stamped on your old unit.
Signs your Audi A6 C6 spark plugs needs replacing
- Misfire or rough idle
- Poor economy or sluggish acceleration
- Difficulty starting
- Engine warning light, misfire code
Fitting it yourself
Usually one of the easier jobs — coil packs off, plugs out with a spark plug socket. Don't over-tighten into an alloy head.
Torque: Typically 20–30 Nm depending on plug/head — over-tightening can strip the thread.
See Spark Plugs prices on eBayMore Audi A6 C6 parts
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