Renault Kadjar Fuel Pump: Specs, Fitment & Common Faults

On the Kadjar, if diesel, a genuinely severe HPFP fault on the 1.5 dCi comes with real, dramatically varying quotes worth knowing.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: genuinely worth knowing: high-mileage Kadjars often show early fuel pump wear as intermittent problems — starting fine most days but occasionally cranking longer than usual — rather than a sudden, total failure, which can make the root cause easy to misdiagnose as something else.

A Genuinely Severe, Well-Documented Fault on the 1.5 dCi — And a Real Cost Comparison Worth Knowing — Renault Kadjar Fuel Pump

If your car has the 1.5 dCi diesel engine, particularly an early example, this is genuinely worth understanding given how consistently and severely it's documented: the rollers inside the high-pressure fuel pump can disintegrate, sending metal filings throughout the entire fuel system — the rail, all the injectors, and the associated pipework. This is confirmed across numerous independent forum threads as a known, recognised fault among mechanics familiar with this specific engine.

A genuinely dramatic, real cost comparison worth knowing before accepting any quote: Renault dealer quotes for the full repair have been documented ranging from £1,300 up to £3,500 or more. However, independent specialists doing the genuinely equivalent job (flushing the tank, lines, and rail rather than replacing every single component) have quoted around £1,200. In one genuinely striking documented case, the actual fault turned out to be a small, specific piece within the pump's cap alone, repaired for around £100 in parts and two hours of labour.

It's worth getting a second opinion and a specialist assessment of exactly what's failed before accepting the most expensive quote as the only option — while genuine metal contamination throughout the system does sometimes require the full replacement, it isn't automatically true in every case.

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.

Renault Kadjar Fuel Pump reference plate

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.

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.

Generations & Engines: Fuel Pump Type

Accuracy note: these are documented patterns by generation and engine family, not a substitute for confirming your exact engine code — always verify against your V5C before ordering, since petrol and diesel pumps are never interchangeable.

2015–2022, TCe petrol	Petrol (direct injection): in-tank low-pressure pump plus a separate engine-mounted high-pressure pump
2015–2022, 1.6/2.0 dCi diesel (R9M)	Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol pump
2015–2022, 1.5 dCi diesel (K9K)	Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol 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 Renault Fuel Pump

The same part, covered across other Renault models.

Renault Kadjar Fuel Pump: Specs, Fitment & Common Faults

OEM Part Numbers

A Genuinely Severe, Well-Documented Fault on the 1.5 dCi — And a Real Cost Comparison Worth Knowing — Renault Kadjar Fuel Pump

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