My inclination would be to replace when engine is out, since it's accessible/inexpensive. But, I've been advised that a good/U.S.-made one that functions well will last the life of the car, and replacing with a new, untested foreign part is only asking for trouble. Opinions?

6 VOLTS/POS. GRD. NW INDIANA

Daniel, My opinion is; How do you know that the " good/u.s. made one" is made in the us.? regardless of the brand name these days. I brought a rear uni joint by HARDIE SPICER who you would think was good maker, but clearly marked on box,is marked; Made in Japan. the reality is theres a lot more quality built into offshore items these days and if a problem, it would be known with the info online available. Guess you only have to look at all the broken down T birds on side of road with blown throwout races to get idea of problem. Of course its wise to replace any servicable part when doing rebuild or maintenance of car. Fan belts, uni,s,clutch,  etc. Stop worrying over the tinyest thing. Bill.

  AussieBill            YYYY    Forever Y Block     YYYY

 Down Under, Australia

If it said "made in China" then worry!

Frank/Rebop

Bristol, In ( by Elkhart) 

Replacement in hand made in Mexico. One currently in car changed when trans. rebuild 35K ago. Too bad I didn't bother to check country of origin back then, but if it says "made in USA", I'll consider leaving it.

6 VOLTS/POS. GRD. NW INDIANA

Dan, you might still find one at a Ford dealer under part           #E2TZ 7548A

Don't know the exact application but the number is 82 truck.

http://ford-y-block.com 

20 miles east of San Diego, 20 miles north of Mexico