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Front crank oils seal


Hobert62
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How available is the front crankshaft oil seal for my 1963 b67 with a 673 na.        Mine leaks when the truck is running.   So while front is off truck and I plan on replacing hoses figured I'd just pull radiator and replace seal.    I haven't check into it alot but figured I'd ask here first.  

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36 minutes ago, j hancock said:

Federal Mogul part # FP-446GC1115 and Redi-Sleeve #99324 if you find the crank has a groove worn into it.

The Mack front crankshaft oil seal is a 446GC1115. I'm sure that Barry can fix you right up.

 

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1 hour ago, Hobert62 said:

I did look at Barry's on my phone but didn't see anything.   I think they had the rear one listed.   

Wait a minute.....I'm having a flashback.

Does your seal have an outer diameter or 4 inches, or 4-1/4 inches ?

If it's 4-1/4", you need a 446GC181 (Which I'm sure that revered caped crusader "Mack Man ".....err Barry can provide you)

If it's 4" (probably not), your original part number 446GC316 superceded to 446GC1115.

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2 more questions.   Why is the fan not made symmetrical?      image.jpg          What do I have to do to change the front motor mount?    Do I just replace the rubber or do I have to find the entire cast piece that bolts to frame?   Mine is shot and the motor is just sitting in the bottom of it, image.jpgwith some marks where the pulley rubs the crossmember sometimes.  

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