Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
$356.89 each
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Features, Description, Q&A, Specs & Installation
Reinforced Performance for Manual Transmissions. The USA Standard Gear G56 Manual Transmission Mainshaft is engineered to meet the demands of high-torque applications in your RAM 2500. Whether you're rebuilding a worn transmission or upgrading for heavy-duty use, the USA Standard Gear mainshaft offers OEM fitment with the strength and precision required for optimal drivetrain performance. It's the perfect solution for restoring reliability in G56-equipped trucks.
Construction and Appearance. Manufactured from high-strength steel, the mainshaft is precision-machined to exact specifications for proper alignment and smooth operation. It is heat-treated to withstand the rigors of high-load driving conditions, making it ideal for towing, hauling, or performance builds. Its design ensures compatibility with factory transmission components while delivering enhanced durability.
Installation. Installation is rated as hard and involves full transmission disassembly, making it best suited for experienced technicians or professional rebuilders. Proper tools and mechanical expertise are required to ensure correct fitment and function.
Warranty. This product is backed by a one-year limited warranty, covering manufacturing defects and providing confidence in long-term performance.
Application. The USA Standard Gear G56 Manual Transmission Mainshaft fits 2005-2018 RAM 2500.
USA Standard Gear ZMG56-2
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
What's in the Box