How do I tell the difference between a Tremec 3650 and a T-45 transmission? | Expedia Engines

Engines & Components
Shop used and remanufactured engines with VIN fitment, LKQ ZIP-tier offers, warranty, and nationwide shipping.
Used Transmissions for Sale
Large inventory of used and remanufactured transmissions with VIN fitment and ZIP-tier LKQ offers.
Find Your Transmission
Search by VIN, year, make, and model — our team confirms bellhousing and ECU compatibility.
Meet the Expedia Monster
Shop-floor mascot for YouTube and Instagram tutorials — engines, transmissions, VIN fitment, install prep, and warranty document checklists.

Closed Now

Speak to a Specialist Now 1-844-XPARTS-1 · English · EspañolEN · ES

Call now — specialists available in English and Español

Rewards Refer & Earn Shop With Confidence Find Your Transmission Price Trends Value Tiers Warranty Help Center Contact Us Assistant About Us Careers Tech PitStop

Rewards Refer & Earn Shop With Confidence Find Your Transmission Price Trends Value Tiers Warranty Help Center Contact Us Assistant About Us

Search help, policies, and site pages…Search help, policies, and site pages…

Part of ExpediaParts — shared checkout, warranty, and trust programs.

Shop & catalog

Shop catalog
Contact Us
Careers at Expedia Parts
About Us
Warranty Information

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 EDT

Saturday

11:00 AM – 4:00 PM EDT

[email protected]Contact page Support

©2025 Expedia Reman Engines. All rights reserved.

How do I tell the difference between a Tremec 3650 and a T-45 transmission? | Expedia Engines