Starter motor Denso or AC DELCO

Denso Starter motor

My experience with a failing starter on a 2nd gen was slow cranking. I initially thought battery, even had the parts store test and tell me the battery was bad (they were wrong). After battery replacement the symptoms remained. Got a reman Denso starter, that fixed it.

Pros: fixed the problem, slow cranking resolved
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Denso Starter motor
redmondcigar
  • Cranking:
  • Multiple attempts:
Rating 5.0

ESPECIALLY with a Honda, go Denso. I had an experience with a failed starter (would only intermittently grab the flywheel) on an '07 Accord where the starter is behind the exhaust manifold. Had a shop replace (they used a Carquest reman) and the issue returned so they replaced again. Off the engine they both tested fine and in spec. Shop refunded the repair as long as I returned the 'faulty' starter so I decided to try but use a reman OEM Denso and it fully worked and has been working flawlessly for years now. It costs a bit more, but worth it - On a Honda at least.

Pros: fully worked, working flawlessly
Cons: failed starter, intermittent grab
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Denso Starter motor
CretinousVoter
  • Cranking:
  • Sounds:
Rating 4.0

Denso OSGR Light Duty starters are very common so parts are easy and any local auto electric rebuilder has seen heaps of them. They may have parts to fix it on the spot. I order a primary gasket/seal kit online because swapping one is a primary cover R&I, and one muliple pack of starter motor to engine case gaskets since they're so inexpensive. If the starter concerned lacks an aftermarket pushbutton end cover I order those for every bike I buy.

First thing I do is remove the three screws holding the solenoid end cover to inspect the contacts which are cheap online. Kits with all the seals and plunger are about 30 bucks shipped so I replace them every starter removal o avoid buying more primary cover gaskets. Then (bike in neutral!) I bottom the exposed plunger manually. If starter rotates but engine does not it's starter clutch time. If engine starts I drill a ~1/4" hole centered on the end cover then reinstall it so I can ride until I sort the parts situation by usung a round shank screwdriver to push the plunger and start the engine. If putting battery voltage to the small blade connector which controls the solenoid does nothing the solenoid windings would likely be open. Those can be replaced from a donor but don't fail often. If I replace a starter I fix the original as backup.

All Balls starter clutches are decent though I don't know the OEM for the or HD. HD outsources starters but dealers stock them and parts.

Pros: parts are easy to find, inexpensive gaskets
Cons: solenoid windings can fail
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AC DELCO Starter motor
ElderSoulWolf
  • Cranking:
  • Sounds:
Rating 5.0

For anyone having this issue with a 454 7.4L Big Block Chevy Starter; PLEASE get a NEW ACDELCO starter with brand new knurled bolts from NAPA. I’ve had this side for months where my starter pinion would get stuck to my flywheel and grind till my flywheel shaved.

Pros: new starter, knurled bolts
Cons: starter pinion stuck
Vehicle: Chevrolet
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Denso Starter motor
joshuahuang07
  • Cranking:
  • Sounds:
Rating 2.0

I'm having a similar issue. Only hear a click when I push the ignition, the starter motor doesn't spin. I replaced the starter with a Denso remanufactured, getting the same problem. I bench tested and verified the remanufactured one spins.

Pros: remanufactured one spins
Cons: same problem after replacement
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