1977 GMC C25 4L85E Transmission Parts

22 products fit your

1977 GMC C25

Add Engine

Show Direct Fit Parts

22 products

Clear All

Fitment

1977 GMC C25

Category

Transmission

Transmission Family

4L85E

Products

Related Articles

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

Read More

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

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.

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 22 results

Customer Impersonation Script