2020 GMC PICKUP SIERRA 2500 (99-CURRENT) (AT 6.6L) DIESEL 4X4 OPT MGM ID OMKF | Expedia Parts

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.

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

Shop & catalog

Shop catalog
Contact Us
About Us
Careers at Expedia Parts
Warranty Information
Customer Reviews
Rewards Program
Refer & Earn

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

Expedia Parts is operated by Expedia Solutions, LLC and sells automotive remanufactured parts and drivetrain components. We are not affiliated with Expedia Group, Expedia, Inc., or expedia.com (travel bookings). Official checkout and support are only on our listed domains — never on expedia.com or lookalike sites asking for travel login or gift cards.

Report suspicious email or fake sites impersonating us: [email protected] · Contact us

©2025 Expedia Parts. All rights reserved.

2020 GMC PICKUP SIERRA 2500 (99-CURRENT) (AT 6.6L) DIESEL 4X4 OPT MGM ID OMKF | Expedia Parts