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  #1  
Old 11-24-2021, 09:01 PM
texdog texdog is offline
 
Join Date: Jan 2013
Location: Fredericksburg, Tx.
Posts: 375
Question New alternator

Are there any new automotive alternators to replace the ND 14824 or 14870?

Rock Auto has a Delco that looks the same for $105.00 but no cross numbers.
ACDELCO 3351271 Is the number. It looks the same. Iím not going to the B and C.

Thanks.
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  #2  
Old 11-25-2021, 12:08 AM
moosepileit moosepileit is offline
 
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Location: Louisville, KY
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https://www.autozone.com/batteries-s...824/871772_0_0

Left/First pic.

55 amp Internal Reg.

Duralast Alternator 14824. $95 plus $40 core.

Right/second pic- and very different from a 14870, 70 amp externally regulated.

Both appear to hang about the same, but the regulator differwnce is a stand out difference.


https://www.autozone.com/batteries-s...870/772046_0_0

I'm a 14184/14129 user, same part, opposite rotation fan. I use the Transpo v1700 external VR as it is adjustable output voltage and has overvoltage protection for $100 at MotorCityReman.
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Last edited by moosepileit : 11-25-2021 at 11:39 AM.
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  #3  
Old 11-25-2021, 07:16 AM
texdog texdog is offline
 
Join Date: Jan 2013
Location: Fredericksburg, Tx.
Posts: 375
Question

Has anyone tried a new Delco 3351271 alternator? Rock Auto has them new and say they fit the same auto as a ND 14824 or 14870.
Thanks
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  #4  
Old 11-25-2021, 07:31 AM
BillL BillL is online now
 
Join Date: Sep 2007
Location: Central IL
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Default I am no help at all . . .

Quote:
Originally Posted by texdog View Post
Has anyone tried a new Delco 3351271 alternator? Rock Auto has them new and say they fit the same auto as a ND 14824 or 14870.
Thanks
No, but have looked at the alternator world and Denso has stopped producing new and remain of this model (210-0637).

Although WAI makes pretty good (what does that mean anyway?) parts for the entire alternator, I might choose the ACDelco model too if it was mine. If you do experiment, please give a PIREP on it with any issues found. 2 cents...

FWIW - this alternator configuration is used on some CAT/Perkins and Kubota engines (2012 time frame). They have a heavy double belt pulley so these models may have more heavy duty bearings.
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  #5  
Old 11-25-2021, 10:59 AM
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azrv6 azrv6 is offline
 
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If you don't need the 55 amp capacity: I installed this 35 amp, externally regulated version on my RV6 about 18 months ago. I reused the original pulley and it was an easy swap. The new unit replaced a ND 14184 that had lasted over 20 years. It took the local O'Reilly auto parts store two days to get one brought in from another store.

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