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Spare parts reviews ➔ All comparisons ➔ Denso ➔ Bosch

Starter motor Denso or Bosch

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Denso
Bosch
Denso › Starter motor
Xiaomi12
  • Cranking:
Rating 5.0

I have a 2006 corolla, had same problem, just bought a new denso starter and no more troubles. Very easy to put the new one on actually, remove the fan on the front first for more space

Pros: easy to put on
Vehicle: Toyota Corolla
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Denso › Starter motor
Billant
  • Cranking:
Rating 5.0

Mine did this, it was the contacts internally in the starter motor, they wear down and make poor contact, I replaced it with a denso branded one, it never missed a beat

Pros: never missed a beat
Cons: poor contact
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Denso › Starter motor
m1lkb0xx
  • Sounds:
Rating 4.0

Finally decided to commit and replace my noisy startup starter with a Denso Reman. No the starter wasn’t dying, I purchased the car already making the noise, and have had it now for 3 years. I was just getting tired of hearing that grind noise when I start the car mostly in the winter.

Pros: quieter startup, no grind noise
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Denso › Starter motor
-_NaCl_-
  • Sounds:
Rating 4.0

This sounds like a cheap Amazon or AutoZone starter was used. Replace it with a Denso or OEM Honda part.

Pros: OEM Honda part
Cons: cheap Amazon starter
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Bosch › Starter motor
mokoosh
  • Cranking:
Rating 4.0

I have had good Bosch starters with a bad solenoid. Loose positive post, as you describe.

Pros: good starter, easy to remove
Cons: bad solenoid, loose post
Vehicle: Volkswagen
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Denso › Starter motor
JamesGTOMay
  • Cranking:
Rating 5.0

Denso starters last forever, it's the motor contacts that die. You can get a set from a Toyota dealer for a massive fraction of the cost of a OEM Reman ( the only way to go if you don't have time).

Pros: starters last forever
Cons: motor contacts die
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Bosch › Starter motor
Old Reliable
  • Cranking:
Rating 3.0

Replaced the ignition switch with OE VW Installed a brand new Bosch starter today due to the battery terminal on the solenoid breaking off internally Thought the new starter would be the answer, but no

Pros: new starter installed
Cons: starter not the answer
Vehicle: Volkswagen Jetta
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Bosch › Starter motor
cqpate
  • Cranking:
  • Sounds:
  • Multiple attempts:
Rating 2.0

greetings 72 bug with rarely used new bosch starter/solenoid(play car not daily drive) walmart battery just went out of warranty and battery tester shows about 76% health. turn the key and i get clunk from starter. after about 15 clunks it will fire up. if i top off battery with charger it will fire up every time. about hour later it is back to clunk clunk clunk, vroom. digital cig socket voltmeter shows mostly about 14v down the road depending on speed. 'smart charger' says cell fault but battery checker says recharge. new battery needed?

Cons: clunk from starter
Vehicle: Volkswagen Beetle
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Denso › Starter motor
Lkn4it
  • Cranking:
Rating 1.0

I ordered a new Denso starter from Amazon for my Honda. It went bad in about 3 months. Fortunately I was beside an auto parts store. I had to buy a new starter to get 100 miles home. The company that I bought the alternator from refused warranty. I had to call Amazon to get a refund.

Cons: failed quickly, warranty issues
Vehicle: Honda
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Which starter motor to choose — Denso or Bosch?

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

We compare starter motor across these categories:

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

Which starter motor are better — Bosch or Denso?

In March 2026 on PartReview, starter motor Denso were overall better than Bosch.

  1. Denso received a PR Score of 85 out of 100, and Bosch scored 75 points.
  2. Denso ranked 1 in the overall ranking, and Bosch ranked 2.
  3. The average rating is higher for Denso (4.1) than for Bosch (3.9).
  4. Starter motor Denso have better feature ratings than Bosch:
    • Sounds - owners believe, that by this property Denso does not differ from Bosch.
    • Cranking - drivers claim, that this property for Bosch is outperforms Denso.
    • Multiple attempts - reviews suggest, that this property for Bosch is preferred to Denso.

Which starter motor are more popular — Denso or Bosch?

Starter motor Denso and Bosch were equally popular according to data in March 2026.

By vote balance, starter motor Denso surpassed Bosch:

  • For Denso, the ratio of positive (156) to negative (27) votes is 129 votes.
  • For Bosch, the ratio of positive (184) to negative (61) votes is 123 votes.

By number of reviews, starter motor Bosch surpassed Denso:

Which starter motor do car owners prefer — Denso or Bosch?

In March 2026, according to PartReview, starter motor Bosch led more car-specific ratings than Denso:

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

Starter motor Denso have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of starter motor

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

For example, comparisons of starter motor Denso with: OEM Honda, Duralast, OEM FORD, OEM Volkswagen, OEM Toyota, OEM Subaru, VALEO, AC DELCO.

Also available: comparisons of starter motor Bosch with: OEM Honda, Duralast, OEM FORD, OEM Volkswagen, OEM Toyota, OEM Subaru, VALEO, AC DELCO.

You can also see who is better among other starter motor manufacturers: Bosch or OEM Honda, Denso or OEM Honda, Bosch or Duralast, Bosch or OEM FORD, Bosch or OEM Volkswagen.

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