× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
4L80 swap fitment question
Posted to Transmission Forum on 1/20/2022 6 Replies

I have a question for the trans experts. I'm considering installing a known good 4L80 out of a 99 C3500 into a 98 C3500HD that also has a 4L80. Both trucks with 7.4L engines and 2WD.

Externally, the C3500HD has a tailshaft mounted parking brake where as the ... Login to read more.

6 Replies Received (View Replies)