Subaru Impreza Fuel Pump: Specs, Fitment & Common Faults
Confirmed: 2018-2020 model year Imprezas were part of a massive Denso fuel pump impeller recall affecting nearly 200,000 vehicles that can cause stalling — with an extended warranty of up to 15 years or 150,000 miles.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — fuel pumps (aftermarket) Hüco 133362 / Delphi FE0429-12B1
| Fuel pumps / feed units (aftermarket) | Hüco 133362 (complete feed module, petrol, 3.8 bar); Delphi FE0429-12B1 (bare in-tank pump, petrol, 113 x 38 mm, without pressure sensor); Delphi FE0351-12B1 (bare in-tank pump, petrol, metal housing 113 x 38 mm); Magneti Marelli 313011303051 (feed module, 3.8 bar / 95 l/h); ERA 770171A (bare in-tank pump, 4 bar / 140 l/h, 2-pin, 52 mm body); Ridex 458F0040 (bare in-tank pump, 3.4 bar / 100 l/h, 2-pin, with mounting kit); Blue Print ADG06816 (bare in-tank pump, 2-pin, 3 A, OE 17040-SR2-A33) |
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| Types & variants | The Hüco 133362 and Magneti Marelli 313011303051 are the only complete feed modules; the rest are bare 38 mm or 52 mm cartridges, plus two inline pumps (Ridex 458F13724, Vemo V10-09-1241) and an Ackoja A70-09-0012 feed unit. No diesel is offered in this generation. |
| Genuine (OE) numbers quoted | 17040-SR2-A33 (Blue Print ADG06816); no Subaru numbers quoted |
| Fitment notes | A complete module replaces the sender as well; a bare cartridge is fitted into the original housing and keeps the sender, which is the cheaper route if the gauge still reads correctly. |
Subaru Impreza Fuel Pump: A Part That Fails at the Worst Possible Moments
On the Subaru Impreza, this particular failure has a knack for terrible timing, stranding drivers mid-journey instead of giving fair warning while the car's parked up safely. Spotting the early signs early enough is what stands between a routine fix and a roadside breakdown.
Subaru Impreza Fuel Pump: What It Does
Getting fuel from tank to engine at the correct combustion pressure is down to the fuel pump, and on the Subaru Impreza that pump sits inside the tank, submerged in fuel. That location is exactly why swapping out such a small part is rarely a quick job.
Subaru Impreza Fuel Pump: Generations & Engines: Fuel Pump Type
| 2011–2013, 2.5L naturally-aspirated (SOHC) | 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 |
|---|---|
| 2011–2013, turbocharged variants (WRX/STI) | 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 |
| 2017–present, all engines | 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 |
Subaru Impreza Fuel Pump: Watch: Replacing It
GP/GJ Impreza; 2017+ GT not found
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Confirmed: A Genuine, Widespread Safety Recall Worth Checking Your Car Against — Subaru Impreza Fuel Pump
This is genuinely worth checking directly on your specific car: Denso-manufactured low-pressure fuel pumps have been recalled across nearly 200,000 vehicles spanning multiple Subaru models, including 2018-2020 model year Imprezas, addressing an impeller defect that can cause the fuel pump to fail and the engine to stall while driving. A related, separate confirmed UK recall also covers certain Foresters for the same underlying issue. It's genuinely worth checking your VIN against the official recall register directly.
It's also genuinely worth knowing that a class-action settlement in relation to this issue has provided an extended warranty specifically covering the fuel pump, reportedly up to 15 years or 150,000 miles on affected vehicles — worth asking a dealer directly whether this extended coverage applies to your specific car.
Subaru Impreza 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 Subaru Fuel Pump
The same part, covered across other Subaru models.