Fuel pump Bosch or OEM Volkswagen

Bosch Fuel pump

Already bought new: Fuel tank In tank lift pump External fuel pump (Bosch) Fuel accumulator (Bosch) Fuel Filter (Bosch) Rebuilt fuel distributor. (CIS Flowtech) Stainless injector lines Fuel injectors (Bosch) Radiator (Nissens)

Vehicle: Volkswagen
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Bosch Fuel pump

Something basic with an indirect injection diesel engine and Bosch VE fuel pump. Then it can be run on any old oil that’s remaining long after the petrol has turned bad. Including engine oil from abandoned vehicle sumps. Peugeot 405 estate would be ideal.

Pros: run on any old oil
Vehicle: Peugeot 405
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OEM Volkswagen Fuel pump

Eu tenho um gol 2001. As \u00fanicas manuten\u00e7\u00f5es esse ano foram a correia dentada que troquei preventivamente, e a bomba de combust\u00edvel que travou. Muito pouco pra um carro desse ano.

Pros: troquei correia dentada
Cons: bomba de combust\u00edvel travou
Vehicle: Volkswagen Gol
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Bosch Fuel pump

Eu tenho uma Tr4 2014...peguei com 15 mil km em 2015...em 10 anos ela teve 3 problemas: 1 motor do ventilador do radiador, s\u00e3o 2 ventiladores. 1 bomba de gasolina, que eu troquei numa bosch gen\u00e9rica e os amortecedores, mas esse nem conta.

Pros: troquei bomba de gasolina
Vehicle: Mitsubishi Pajero
Mileage: 15000 km
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Bosch Fuel pump

That rattle at around 2k rpm in the CP3 area is usually the coupler or pump itself starting to wear. The CP3 on the 6.7L is gear-driven and there’s no adjustment or ‘re-phasing’ you can do — it’s either good or it’s not. A little gear whine is normal, but a hard rattle means the internal plungers/bearings are coming apart. I would plan for a replacement rather than trying to nurse it along. Stick with a quality new or Bosch reman; the cheap Delphi/Rockauto pumps have a spotty track record and a failed pump will send metal into the fuel system. Also inspect the harmonic balancer and flex plate bolts, since they can mimic pump noise. If you’re not comfortable diagnosing, have a diesel shop listen before you throw parts at it.

Pros: quality new or reman
Cons: spotty track record, internal wear
Part number: EX836105
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Bosch Fuel pump
mrhoofy
  • Stalling:
Rating 3.0

I had a 1981 Volvo (in 2003). It had a B21 engine and a 4 speed + OD standard transmission. I daily drove it and it was fine. The Bosch fuel injection was very complicated, and when the fuel pump went, I happily changed the tank fuel pump, not realizing there was another fuel pump mounted under the drivers door.

Pros: interior was very high quality
Cons: fuel injection complicated
Vehicle: Volvo
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Bosch Fuel pump

Its been a while and I have replaced the tank with a Mk3 tank and intank pump, got to throw out the warning again this does make a fair bit of noise so be prepared.

Pros: more robust solution
Cons: makes a fair bit of noise
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OEM Volkswagen Fuel pump
callat
  • Stalling:
Rating 2.0

Took great care of my Passat. Recommended oil change interval 10k; I changed every 6k. All oil and fluid changes at the dealership. I only did the filters, spark plugs and serpentine belt.

Problems -

Purge valve has to be replaced at 40k (warranty)

Control arms at 45k (warranty) + alignment

Fuel pump at 62k ($1600)

Entire cooling system replacement at 64k ($3100)

I believe hot weather and cheap plastic causing more harm to this car.

Pros: oil changes at dealership
Cons: fuel pump, cooling system
Vehicle: Volkswagen Passat
Mileage: 62000 km
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Bosch Fuel pump
DoUMoo2
  • Starting:
  • Stalling:
Rating 1.0

I learned that when my generic $125 fuel pump turned into a $750 tow and a $150 U-Haul trailer rental and 3 hours on the side of the road waiting for U-Haul to fix their blown out trailer tire. And then a new $400 Bosch fuel pump that I should have bought in the first place.

Pros: Bosch is better
Cons: generic pump failed
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Other comparisons

Which fuel pump to choose — Bosch or OEM Volkswagen?

If choosing fuel pump across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare fuel pump across these categories:

Comparison of fuel pump Bosch and OEM Volkswagen
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which fuel pump are better — OEM Volkswagen or Bosch?

In March 2026 on PartReview, fuel pump Bosch were overall better than OEM Volkswagen.

  1. Bosch received a PR Score of 74 out of 100, and OEM Volkswagen scored 63 points.
  2. Bosch ranked 2 in the overall ranking, and OEM Volkswagen ranked 4.
  3. The average rating is higher for Bosch (3.7) than for OEM Volkswagen (3.5).
  4. Fuel pump Bosch have better feature ratings than OEM Volkswagen:
    • Starting - owners believe, that this property for OEM Volkswagen is better than Bosch.
    • Stalling - drivers claim, that this property for Bosch is outperforms OEM Volkswagen.
    • Noise - reviews suggest, that this property for OEM Volkswagen is preferred to Bosch.

Which fuel pump are more popular — Bosch or OEM Volkswagen?

In March 2026 on PartReview, fuel pump Bosch were overall more popular than OEM Volkswagen.

By vote balance, fuel pump Bosch surpassed OEM Volkswagen:

  • For Bosch, the ratio of positive (143) to negative (50) votes is 93 votes.
  • For OEM Volkswagen, the ratio of positive (50) to negative (29) votes is 21 vote.

By number of reviews, fuel pump Bosch surpassed OEM Volkswagen:

Which fuel pump do car owners prefer — Bosch or OEM Volkswagen?

In March 2026, according to PartReview, fuel pump Bosch led more car-specific ratings than OEM Volkswagen:

Bosch are chosen by owners of cars such as: Volkswagen Golf, and others.

Fuel pump OEM Volkswagen have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of fuel pump

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of fuel pump Bosch with: DELPHI, WALBRO, AIRTEX.

Also available: comparisons of fuel pump OEM Volkswagen with: DELPHI, WALBRO, AIRTEX.

You can also see who is better among other fuel pump manufacturers: DELPHI or Bosch, DELPHI or WALBRO, DELPHI or OEM Volkswagen, Bosch or WALBRO, DELPHI or AIRTEX.

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