Find Your Transmission
Search by VIN, year, make, and model — our team confirms bellhousing and ECU compatibility.

Loading…

Remanufactured engines & transmissions, tested to a stated standard.

Shop & catalog

Shop catalog
Contact Us
About Us
Careers at Peak Powertrain
Warranty — Peak Powertrain
Customer Reviews

Company

About Us
Contact Us
Tech PitStop
Warranty

Support & Policies

Help Center
Assistant
Shipping
Store Policies
Return Policy
Terms & Conditions
Security & Privacy
Security Policies

My Account

Track Order
Forgot Password
Core Return
Warranty Claim

Contact Us

Monday – Friday

9:00 AM – 7:00 PM EST

Saturday

11:00 AM – 4:00 PM EDT

socials@peakpowertrain.com Contact page Support

Powered by Creytix

The platform behind the tooling, design pipeline, and control panel that power Peak Powertrain.

See how Creytix powers this site →

Peak Powertrain sells automotive remanufactured parts and drivetrain components. Official checkout and support are only on our listed domains.

Report suspicious email or fake sites impersonating us: socials@peakpowertrain.com · Contact us

EarnedStar · Company reviewed TrueStar · Item reviews

Expedia Parts
EP Transmissions
EP Engines
Ironclad Auto Parts
Peak Powertrain

©2025 Peak Powertrain. All rights reserved.

Speak to a Specialist Now (844) 846-7325 · 1-844-846-7325 · English · EspañolEN · ES

Call now — specialists available in English and Español

Peak Powertrain

Engines Transmissions Warranty Core Return Reman vs Used Reviews Contact

Loading part details…

2012 GMC TERRAIN AT (6 SPEED) AWD OPT MHC

Back to product

Customer Reviews

2012 GMC TERRAIN AT (6 SPEED) AWD OPT MHC

No reviews yet for this part — be the first to share your experience.

Write a Review

2012 GMC TERRAIN AT (6 SPEED) AWD OPT MHC

* Required question

Order NumberAdd your order number to link this review to your purchase. Leave blank only if you need help from our team first.Product / Part Name

Your Rating *

Review Headline *Comments *Service/Delivery Comments

Bottom Line

Select one

Yes, I would recommend this to a friendNo, I would not recommend this to a friend

Pros

Cons

Nickname *Location *

Photos & Video

Optional — up to 3 photos (5MB each) and 1 video (50MB)

Add an ImageAdd a Video

Email *Phone

By submitting, you represent that you have read and agree to our Terms of Submission and our Privacy Policy.

Reviews for 2012 GMC TERRAIN AT (6 SPEED) AWD OPT MHC | Peak Powertrain