null

We’ll be closed Monday, February 16, 2026 for Presidents’ Day. 
All orders placed after 3:30 PM Friday, February 13 will ship Tuesday, February 17.

Cart

Cognito

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(231) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

(0) Results Found

About Cognito Duramax Engine Parts

For over 20 years, Cognito has been an industry-leading designer and manufacturer for premium auto parts for trucks, SUVs and UTVs. Here at Merchant Automotive, we offer a variety of Cognito parts for Duramax trucks such as lift kits, axles, hardware, leveling kits, shocks, and many more for your LLY, LML, LMM, L5P, LBZ, and more Duramax engines.