1994 GMC Sierra Transmission swap.

1994 GMC SIERRA
17,500 MILES • V8 • 4WD • AUTOMATIC
Avatar
YATO3MTA3
  • MEMBER
  • 2 POSTS
What Make & Model of transmissions will fit my truck with & without adapter plates?
Nov 21, 2008 at 12:39 AM
Advertisement
Avatar
MMPRINCE4000
  • ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Your best resource is a local junk yard, they have interchangeability manuals just for that purpose.

If your intent is to go from a 3 speed to a 4 speed, for example. They may fit, but the control system may not be compatible (cables, ECM etc.).
Nov 21, 2008 at 7:20 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.