Black Friday Weekend Sale - Save 20% on 500+ Merchant Automotive parts, tools, and kits with code DURAMAX20, plus $300 off Allisons with a free rear housing support, $100 off transfer cases,
and FREE SHIPPING on orders over $150 (excludes transmissions and transfer cases).
We are sorry, boost points are no longer available. Please click here to return to shopping
Duramax & Allison Experts In Your Inbox
EXCLUSIVE SAVINGS AND HELPFUL ARTICLES!
Join our tribe of Duramax and Allison transmission fans and get our latest deals, articles, and resources sent straight to your inbox!