Buick GS 400 700R4 Parts

Get an exact fit for your

Buick GS 400

Choose Year
Buick
GS 400

239 products

Clear All

Fitment

Buick GS 400

Transmission Family

700R4

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.

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

Read More

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

Read More

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

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.

Showing 1 - 36 of 239 results

Customer Impersonation Script