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Username Post: 1965 Malibu Chevelle differential pinion seal        (Topic#376270)
leon phelps 
Valued Contributor
Posts: 4157
leon phelps
Loc: Croydon Manor, PA
Reg: 06-04-05
01-20-25 02:38 PM - Post#2877263    

Hello. Bought one at the local auto parts store today. Was 1/4" too large both housing and pinion shaft. Pretty sure this differential is original to car. 8460n seems to be the part number for several brands for this car. Any suggestions? I have a micrometer if needed.



 


Shepherd 
Valued Contributor
Posts: 3693

Loc: Lake George, NY
Reg: 11-11-15
01-21-25 05:23 AM - Post#2877280    
    In response to leon phelps

Check Rock auto, they list dimensions.



 
leon phelps 
Valued Contributor
Posts: 4157
leon phelps
Loc: Croydon Manor, PA
Reg: 06-04-05
01-21-25 09:06 AM - Post#2877292    
    In response to Shepherd

Thanks. 2 9/16 x 1 7/16.



 
leon phelps 
Valued Contributor
Posts: 4157
leon phelps
Loc: Croydon Manor, PA
Reg: 06-04-05
01-22-25 01:35 PM - Post#2877316    
    In response to leon phelps

Thinking I may have a Pontiac rear. Casting says D86 on one side and GM16 on another. Has CB0608B stamped. Any guidance appreciated.



 


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