Audi A6 Fuel Pump: Specs, Fitment & Common Faults
On the A6, a confirmed recall covering 1.2 million vehicles genuinely addressed a fire risk from an overheating coolant pump.
Illustration for editorial purposes
Opens live listings in a new tab.
Audi A6 Fuel Pump: OEM Part Number
Audi A6 Fuel Pump: A Part That Fails at the Worst Possible Moments
On the Audi A6, few component failures are as inconveniently timed as this one — it has a habit of stranding drivers mid-journey rather than giving a clean warning while the car is safely parked. Knowing the early signs buys valuable time to get it sorted before that happens.
Audi A6 Fuel Pump: What It Does
The Audi A6's fuel pump draws fuel from the tank and delivers it to the engine at the pressure required for proper combustion. Almost all modern versions sit inside the fuel tank itself, submerged in fuel, which is partly why access for replacement is more involved than the part's small size might suggest.
Audi A6 Fuel Pump: Generations & Engines: Fuel Pump Type
| C6/C7 (2004–2018), 1.8/2.0/3.0 TFSI petrol | Petrol (direct injection): in-tank low-pressure pump plus a separate engine-mounted high-pressure pump |
|---|---|
| C6/C7 (2004–2018), TDI diesel (2.0/2.7/3.0) | Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol pump |
| C6/C7 S6/RS6 (2006–2018), V8/V10 petrol | Petrol: typically a single in-tank low-pressure pump; some later or higher-output variants may add a separate engine-mounted high-pressure pump for direct injection — confirm your exact engine |
| C8 (2018–present), all petrol, diesel & S6/RS6 | Spans both diesel (in-tank lift pump plus an engine-mounted high-pressure pump) and petrol (in-tank low-pressure pump, plus a separate high-pressure pump if direct-injection) variants — confirm your exact engine before ordering |
Opens live listings in a new tab.
Confirmed: A Genuine, Massive-Scale Safety Recall Worth Checking Your Car Against — Audi A6 Fuel Pump
This is genuinely worth checking directly: a confirmed recall covering 1.2 million vehicles across this range addressed a genuine fire risk from a coolant pump that could overheat, caused by the pump becoming blocked by debris or moisture causing an electrical short. Audi's first attempted fix was a software update, which reportedly wasn't effective, meaning the recall ultimately required hardware replacement in two separate stages. It's genuinely worth checking your specific VIN against the official recall register and confirming both stages have been completed.
It's also genuinely worth knowing an alarming account regarding the belt starter generator on 48V mild hybrid models: one documented case saw this fail at just 47,000 miles, with Audi UK refusing a goodwill contribution and claiming the ignition had been left on, despite no diagnostic proof offered.
Audi A6 Fuel Pump: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Fuel Pump Guide for symptoms to watch for (including the low-pressure vs high-pressure distinction on direct-injection engines), confirming fitment against your VIN, and OE suppliers worth knowing.
More Audi Fuel Pump
The same part, covered across other Audi models.