Fiat 500 (Petrol) Fuel Pump: Specs, Fitment & Common Faults
Confirmed: Fiat has issued two separate genuine UK recalls related to fuel delivery on the 500 — one covering 271 cars for a faulty fuel pump protection bracket, another for faulty fuel manifolds with a fuel leak risk.
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OEM Part Number: 51829566 (as quoted in catalogue listings — confirm via VIN) — aftermarket fuel pumps Bosch 0 580 200 008 and Bosch 0 986 580 229 / Hüco 133369
| Fuel pumps / feed units (aftermarket) | Bosch 0 580 200 008 and Bosch 0 986 580 229 (electric in-tank pumps); Hüco 133369 (petrol feed unit, 3.5 bar); Hüco 133410 and Hüco 133263 (diesel feed units with sender); Astemo 2503263 and Astemo 2503410 (diesel feed units with sender); Hella 8TF 358 305-061 and Hella 8TF 358 306-711 (diesel feed units with sender, 4-pin, gaskets included); VDO A2C59511710 (diesel module with lever sender, 2.6 bar); Delphi FG2391-12B1 and Delphi FG2400-12B1 (feed units without gasket or pressure sensor, 288 mm long); Ridex 1382F0007 (petrol feed unit with sender, 4 bar / 120 l/h, 4 connectors) |
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| Types & variants | The petrol 1.2 and TwinAir cars take a 3.5 to 4 bar feed unit with sender (Hüco 133369, Ridex 1382F0007); the 1.3 Multijet diesel takes a low-pressure module with lever sender at about 2.6 to 3 bar (VDO A2C59511710, Hella 305-061, Astemo). Two Hella and two Astemo diesel modules cover early and late sender variants. The Bosch 0 580 200 008 and Ridex 1382F0281 are in-tank pump inserts rather than full modules. Fispa 72627 is listed as a genuine-quality MPI unit. No pre-supply pump is listed. |
| Genuine (OE) numbers quoted | Hoffer 7507110E = 51829566. |
| Fitment notes | The Bosch insert can be fitted into the existing petrol housing, keeping the old sender. The 1.0 Mild Hybrid shares the petrol module. |
Confirmed: Genuine UK Safety Recalls Worth Checking Your Specific Car Against — Fiat 500 (Petrol) Fuel Pump
This is genuinely worth checking directly: Fiat has issued at least two separate confirmed UK recalls related to fuel delivery on the 500 specifically. One saw 271 cars recalled due to a faulty fuel pump protection bracket, while a separate recall addressed faulty fuel manifolds carrying a genuine risk of fuel leakage. Both were carried out free of charge at authorised dealers. It's genuinely worth checking your specific VIN against Fiat's official recall database, particularly given how many separate recalls have applied to different production windows over this model's long production run.
It's also genuinely worth knowing a useful diagnostic distinction: a sudden whiff of fuel while driving is commonly caused by faulty fuel injector seals specifically, rather than the fuel pump itself — worth knowing this before assuming the more expensive pump is automatically responsible.
Fiat 500 (Petrol) Fuel Pump: Watch: Replacing It
1A Auto, US 1.4 500 but same tank/module
Fiat 500 (Petrol) Fuel Pump: A Part That Fails at the Worst Possible Moments
On the Fiat 500 (Petrol), few faults pick a worse moment to happen than this one, which has a habit of leaving drivers stranded mid-journey rather than failing safely at home. Catching the early signs gives you a genuine head start before that happens to you.
Fiat 500 (Petrol) Fuel Pump: What It Does
On the Fiat 500 (Petrol), fuel reaches the engine at the pressure combustion needs thanks to the fuel pump, which draws it straight from the tank. It sits submerged inside the tank itself, and that positioning is a big part of why replacement takes more effort than the part's size would suggest.
Fiat 500 (Petrol) Fuel Pump: Generations & Engines: Fuel Pump Type
| 2007–present, 1.2/1.4 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 |
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| 2007–present, 1.3 Multijet diesel | Diesel: in-tank lift pump feeds a separate engine-mounted high-pressure injection pump (common rail) — never interchangeable with the petrol pump |
| Abarth 595/695, 1.4 T-Jet turbo | 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 |
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Fiat 500 (Petrol) 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 Fiat Fuel Pump
The same part, covered across other Fiat models.