Are the transmissions The same in a 1500 series and a 2500 eries 1990 chevy truck

Asked by Sep 09, 2015 at 12:55 AM about the 1990 Chevrolet C/K 2500 Silverado Extended Cab LB 4WD

Question type: General

2 Answers


You will need to check the casing number on both transmissions.


1500 autos were almost always a 4l60. The 2500 could have that, a 4l80 or maybe a th400. I think the 400 wasnt made that late. Just compare the pans. There will be differences

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