1966 GMC 3500 4L85E Transmission Parts

7 products fit your

1966 GMC 3500

Add Engine

Show Direct Fit Parts

7 products

Clear All

Fitment

1966 GMC 3500

Category

Transmission

Transmission Family

4L85E

Products

Related Articles

4L60 Transmission Complete Guide | Diagrams, HP Ratings, Swap FAQ

4L60 Transmission Complete Guide | Diagrams, HP Ratings, Swap FAQ

Read More

A real-world guide to 4L60 transmission specs, strength, and swap tips.

Transmission Replacement on a 55 Chevy

Transmission Replacement on a 55 Chevy

Read More

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Upgrading a 700R4 Transmission - 1967 Chevelle

Upgrading a 700R4 Transmission - 1967 Chevelle

Read More

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Installing a Transmission Crossmember - 1967 Chevelle

Installing a Transmission Crossmember - 1967 Chevelle

Read More

Learn about the G Force crossmember and how the symmetrical product design makes for a smooth installation on Jeff's 1967 Chevelle.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

Read More

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Showing all 7 results

Customer Impersonation Script