Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Q&A, Specs & Installation
Designed for G56 Manual Transmissions. Specifically engineered for the Mercedes-built G56 6-speed manual transmission, this USA Standard Gear G56 Manual Transmission 6th Gear Mainshaft is tailored to fit 2005–2018 RAM 2500 models equipped with manual gearboxes. It replaces the factory 6th gear mainshaft, an essential component responsible for transmitting torque in the highest gear, particularly during highway cruising and heavy towing.
23-Tooth Configuration for OEM Compatibility. Featuring a precise 23-tooth gear profile, this USA Standard Gear G56 Manual Transmission 6th Gear Mainshaft is designed to match original equipment manufacturer (OEM) specifications for flawless integration with existing transmission components. The accurate tooth count ensures proper gear mesh, smooth engagement, and consistent shifting behavior under load.
Built for Strength and Longevity. Manufactured by USA Standard Gear, this USA Standard Gear G56 Manual Transmission 6th Gear Mainshaft is crafted from premium-grade materials and precision-machined to exacting standards. Engineered to endure the high torque and mechanical stress typical of heavy-duty applications, it’s ideal for RAM owners who frequently tow, haul, or venture off-road. The robust construction and meticulous quality control ensure long-lasting durability, making it a trusted upgrade for those who demand performance and resilience from their drivetrain.
Installation. Putting this USA Standard Gear G56 Manual Transmission 6th Gear Mainshaft on your RAM 2500 takes 3 hours to install.
Application. The Ceramic Brake Pads with Brake Fluid and Cleaner fits 2005-2018 RAM 2500 models.
USA Standard Gear ZMG56-18
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box