Reviews of Denso parts For Business

Average Rating ?

4.0

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#73

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635

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Japan

Spare Parts

Wiper blades Bosch or Denso

Spark plug NGK or Denso

Spark plug Bosch or Denso

Alternator Bosch or Denso

Spark plug Autolite or Denso

Alternator Denso or Duralast

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Denso › Engine radiator

Ok-Energy5358 28 Jan 2026, 20:30

Rating 5.0

Leaks:

my 2005 4Runner Limited 4WD V8 that I bought one year ago with only 55k miles on it (well maintained time capsule), was just fine. Zero leaks from the radiator or anything. At 65k miles I went ahead and replaced the radiator with a Denso unit.

I figured going from a life in SoCal to southeast Texas summers would tax the radiator. Plus, 55k miles in 20 years, and now I’ll put about 20k miles a year on it, would likely make the original radiator go pop at the most inconvenient time, surely.

Pros: zero leaks

Vehicle: Toyota 4runner

Mileage: 65000 km

Denso › Spark plug

Zealousideal_Tank210 25 Jan 2026, 23:14

Rating 5.0

Starting:

Ignition coil most likely. I have done many dozens of them. Takes about 2 minutes to replace.

Pros: easy to replace

Denso › Starter motor

Xiaomi12 25 Jan 2026, 21:36

Rating 5.0

Cranking:

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

Denso › Starter motor

Billant 24 Jan 2026, 10:58

Rating 5.0

Cranking:

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

Denso › Alternator

Kye7 22 Jan 2026, 15:56

Rating 5.0

I have a 2005 XLS and upgraded to the 130a one, no issues at all. I bought a Denso (oem) one on rockauto for $170, sent my old one and got $40 back. The Toyota one (also denso) was like $450. The 130a was actually cheaper than the 100a too. Did it myself in about 3 hours

Pros: no issues, cheaper than OEM

Vehicle: Toyota

Denso › Spark plug

logbiter 22 Jan 2026, 13:39

Rating 5.0

I recently got Denso (OEM) from my local o’reillys cheaper than the dealer (~$80).

Pros: cheaper than dealer

Denso › Spark plug

EnoSoles 21 Jan 2026, 21:48

Rating 5.0

Bro ABSOLUTELY do the spark plugs yourself. I bought oem Denso spark plugs from Napa Auto for about $180. Then all you need is a spark plug socket w/ swivel head, 10mm socket, 12mm, a couple extensions, needle nose pliers, dielectric grease, and a pick to make life easier.

Pros: save money, easy job

Cons: time consuming for beginner

Denso › Cabin filter

EcstaticMobile3969 25 Jan 2026, 16:51

Rating 3.0

I use the regular basic denso

Cons: restrict the airflow further

Denso › Alternator

almeida8x1 17 Jan 2026, 01:53

Rating 1.0

Warning light:

Horrible mistake with the aftermarket alternator. You likely will need to redo the job really soon.

Cons: horrible mistake, redo job

Vehicle: Honda Civic

Denso › Alternator

ConstantMango672 11 Jan 2026, 13:38

Rating 2.0

Noise:

As someone pointed out, don't expect the 150 dollar alternator to last that long. I threw on my 4runner a few months back because that's all that was in stock locally and I'm gonna have to replace it again, it's already whining. I'd definitely spend $350 or whatever it is on a denso unit

Pros: Denso unit is better

Cons: cheap alternator failed

Vehicle: Toyota 4runner