Seat Arona Fuel Pump: Specs, Fitment & Common Faults

On the Arona, the fuel pump primes when the driver's door opens, not just the ignition — a genuinely distinct diagnostic clue, plus why running low on fuel can damage the pump itself.

Illustration for editorial purposes

Find Seat Arona Fuel Pump Here!

Opens live listings in a new tab.

OEM Part Number: confirm via VIN — fuel pumps (aftermarket) Hüco 133168 / Astemo 2503152

Accuracy note: Covers the Seat Arona (2017-) as listed in the UK aftermarket catalogues. In-tank fuel pumps are sold two ways: as a complete feed unit (the pump in its swirl pot with the fuel-level sender and float) or as a bare pump that is fitted into the old housing, and petrol and diesel versions are not interchangeable — most diesels have only a low-pressure lift pump in the tank, with the high-pressure pump on the engine. The references below are UK aftermarket catalogue listings for this generation, labelled by brand; genuine numbers are shown only where a listing quotes one. Check fuel type, the plug pin count and whether your car has one sender or two (saddle tanks on 4x4 and some larger cars) against your VIN before ordering.

Fuel pumps / feed units (aftermarket)	Astemo 2503152 (complete feed unit with sender, petrol); Astemo 2503168 (complete feed unit with sender, petrol); Hüco 133168 (complete feed unit with sender, petrol); Hüco 133152 (complete feed unit with sender, petrol); VDO 2803580301302 (feed unit, petrol); Hella 8TF 358 106-051 (feed unit with sender, 5-pin); Ridex 1382F0012 (feed unit with sender, diesel, 0.5 bar / 140 l/h, 4-pin); Pierburg 7.21440.51.0 (lift pump, 0.3-0.4 bar, 12 V / 2 A, 2 connectors)
Types & variants	Two petrol modules are listed under both Hüco and Astemo (152 and 168 suffixes are the same units under the two brand names), covering the 1.0 TSI, 1.5 TSI and 1.6 engines. The diesel 1.6 TDI takes a low-pressure feed unit at 0.5 bar (Ridex 1382F0012) with the level sender built in. Ridex 1382F0055 at 4 bar / 110 l/h is marked for PR number 1A5, and Ridex 1382F0030 is a 3 bar / 100 l/h 4-pin module. Ridex 458F0008 and the Pierburg are bare lift pumps with 38 mm bodies.
Genuine (OE) numbers quoted	170429F500 (Meat & Doria 76416)
Fitment notes	Petrol TSI cars use a 4 bar module with sender; the 1.6 TDI uses a 0.5 bar lift unit, so the two cannot be swapped. The two petrol module numbers depend on the PR (production) code on the vehicle data sticker, so check that before ordering. The 1.0 TGI gas version is listed under the same catalogue without a specific pump.

A Genuinely Useful Diagnostic Clue: The Door-Opening Prime — Seat Arona Fuel Pump

A genuinely useful, specific diagnostic detail worth knowing: on this shared VW Group platform, the in-tank fuel pump is designed to prime briefly the moment the driver's door is opened, not only when the ignition is turned to "on" — you can often hear a faint whine from the rear of the car for a couple of seconds right after opening the door. If you don't hear this at all, it's worth checking the door control module and door sensor before assuming the fuel pump itself has failed — a known failure point on related VW Group models is exactly this module failing to detect the door opening, which also tends to show up as the interior light not coming on and the door-open buzzer not working, giving you a useful way to confirm whether this is genuinely the cause.

A genuine safety point worth knowing on diesel high-pressure pumps: fuel itself acts as a lubricant for the high-pressure pump on diesel engines, meaning running the tank persistently low, or continuing to drive with a confirmed low fuel rail pressure fault, risks damaging the pump through inadequate lubrication rather than the fault simply going away on its own. If you're seeing a fuel rail pressure code (commonly P0087) alongside poor starting or cutting out, it's worth having this properly diagnosed promptly rather than continuing to drive extensively, since the underlying cause is very often a leak or fault upstream (a fuel filter hose, for instance) rather than the expensive high-pressure pump itself.

Seat Arona Fuel Pump: A Part That Fails at the Worst Possible Moments

Rather than failing conveniently while parked, this component on the Seat Arona tends to give up mid-journey, which is about the worst possible moment. Learning to recognise the early symptoms is the best defence against being caught out.

Seat Arona Fuel Pump: Watch: Replacing It

🎬 Watch: Seat Arona 2018 Petrol Fuel Pump Location

Watch on YouTube ↗

Shows location/access under rear seat only, not a full swap; no full Arona replacement video found

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.

Seat Arona Fuel Pump: What It Does

The Seat Arona's fuel pump function — pulling fuel from the tank and pressurising it for the engine — is straightforward, but its usual location isn't: it sits submerged inside the tank itself, which is precisely why access for replacement is more work than the part's size suggests.

Seat Arona Fuel Pump: 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.

KJ7 (2017–present), 1.0/1.5 TSI petrol, incl. FR trim	Petrol (direct injection): in-tank low-pressure pump plus a separate engine-mounted high-pressure pump
KJ7, 1.6 TDI diesel	Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol pump

Find Seat Arona Fuel Pump Here!

Opens live listings in a new tab.

Seat Arona 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 Seat Fuel Pump

The same part, covered across other Seat models.