Audi A5 Coupe Fuel Pump: Specs, Fitment & Common Faults

On the A5, a confirmed recall covering 1.2 million vehicles genuinely addressed a fire risk from an overheating coolant pump.

Generation covered: this guide is for the second-generation A5 Coupe (F5 platform, 2016–2024) — the two-door coupe discontinued when Audi renamed the A4 saloon to A5 in 2024. These are entirely different cars despite sharing a name; if your car is a four-door saloon or estate bought new since 2024, this guide does not apply to it. Check your logbook or VIN if you're unsure which car you have.

Illustration for editorial purposes

A Part That Fails at the Worst Possible Moments

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.

Before you buy: fuel pump specifications vary by engine size and fuel type, and petrol/diesel versions are never interchangeable. Always confirm against your VIN before ordering.

OEM Part Numbers

Genuinely important to know: most turbocharged direct-injection A5 engines actually have two separate fuel pumps — a low-pressure electric pump inside the fuel tank, and a high-pressure mechanical pump driven off the camshaft on the engine itself. They fail differently and aren't interchangeable, so confirm which one is suspected before ordering a replacement.

TFSI direct-injection petrol engines use both a lower-pressure in-tank pump and a separate high-pressure pump mounted on the engine — these are two distinct parts with different symptoms when they fail. Diesel TDI variants use an entirely different fuel system architecture, so confirm your exact engine before ordering.

What It Does

The 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.

Confirmed: A Genuine, Massive-Scale Safety Recall Worth Checking Your Car Against

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.

A genuinely useful inspection tip worth knowing if buying a used fuel pump: physically checking the electrical connector for melting or browning is a good way to spot a failing unit before buying it secondhand.

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.

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.