1978 GMC C25 TH350 Transmission Parts

338 products fit your

1978 GMC C25

Add Engine

Show Direct Fit Parts

338 products

Clear All

Fitment

1978 GMC C25

Category

Transmission

Transmission Family

TH350

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.

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!

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.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

Read More

Learn how to install a side detent shifter in a 1969 Chevy C10.

T-5 Transmission

T-5 Transmission

Read More

Check out these tips on T-5 transmissions!

Chris Ryan's 1978 Pontiac Trans Am

Chris Ryan's 1978 Pontiac Trans Am

Read More

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

Byron's 1975 Chevy Vega

Byron's 1975 Chevy Vega

Read More

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

Showing 1 - 36 of 338 results

Customer Impersonation Script