Yellow numbers on 489 diff

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Yellow numbers on 489 diff #2775207 05/16/20 07:00 PM 05/16/20 07:00 PM
Joined: Sep 2005 Posts: 1,978 USA S Suregrip391 OP top fuel
Suregrip391 OP top fuel S Joined: Sep 2005 Posts: 1,978 USA	Is this a date code or part number? Can anyone tell me what it means? Thanks.

Re: Yellow numbers on 489 diff [Re: Suregrip391] #2775214 05/16/20 07:24 PM 05/16/20 07:24 PM
Joined: Sep 2005 Posts: 1,978 USA S Suregrip391 OP top fuel
Suregrip391 OP top fuel S Joined: Sep 2005 Posts: 1,978 USA	I found my answer here https://moparconnectionmagazine.com...-rear-differential-identifiers-markings/ assembly date

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