Transmission

20

Asked by Corey Jan 22, 2016 at 12:30 PM about the 1989 GMC Sierra 1500 K1500 Extended Cab LB 4WD

Question type: Maintenance & Repair

What year model vehicles transmissions are
compatable with 89 GMC Sierra 4x4
And which year model vehicles transfer cases
are compatibla with 2001 chevy sileverado 4x4

1 Answer

235

All the 4l60e transmission should fit your truck. I don't know about the transfer case, however the case and transmission from and 90s should fit right in. the original transmission in your truck should not have been a 700r4, by 89 it should have been a 4l60 or 4l60e. So is your truck a 5.7?

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