In search of a harmonic balancer (crankshaft damper)

May 3, 2025
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VIN: 1G2AJ37A5CP645633

In search of a harmonic balancer (crankshaft damper) for the 1982 pontiac grand prix Buick 231 CID V6. 3.8.

having some difficulty finding the part #..I can send it off if I have to but would prefer NOS or something a like
 
The link to rock auto is a chevy balancer, not the same.

Part number is 25523502 for the early balancer and the later is the same if you remove the sheet metal crank sensor ring.
OIP.jpg
FI 231 with crank sense ring.webp


I see nothing on flea bay at the moment.

Might try this place in Venezuela they claim to have a few.

 
Good call.. found this salvage yard..maybe worth a call ..https://centralfloridaautosalvage.com/used-parts/OLDSMOBILE/CUTLASS/13795/1983/HARMONIC_BALANCER/446317/
 
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You didn't say your locale...I was able to locate spindles from a place less than 20 minutes from my work location while on a business trip using the following site;
car-part.com/
 
VIN: 1G2AJ37A5CP645633

In search of a harmonic balancer (crankshaft damper) for the 1982 pontiac grand prix Buick 231 CID V6. 3.8.

having some difficulty finding the part #..I can send it off if I have to but would prefer NOS or something a like
While it is a crank pully plate, I don't see the rubber sleeve that makes it a harmonic " I've read below 300 cubes harmonics were optional just not on these motors right? Yeah it's balanced
 
There’s his guy in RI. you can try and I have to find the business card at home for a guy in California. But was 1982 still dealing with even and odd fire Buick V6’s?
 

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