Upgrade the performance and durability of your 1/18 TRX-4M RC crawler with the COOWOO Drop-In RC Gearbox Upgrade Part. This high-quality upgrade features an aluminum alloy gearbox housing and hardened steel gears, providing superior strength and protection for your drivetrain components.

Designed to enhance the overall durability and rigidity of the gearbox assembly, this upgrade part ensures better protection against impacts, rough terrains, and heavy loads. It's built to withstand the toughest off-road conditions, ensuring the longevity of your drivetrain components.

The aluminum alloy gearbox housing offers better heat dissipation properties compared to the stock plastic housing. This effectively dissipates the heat generated by the motor and gears during operation, reducing the risk of overheating and extending the lifespan of the components.

With high precision CNC machining, this gearbox upgrade provides better gear mesh stability. It's less prone to flexing or warping under load, resulting in a more consistent and precise mesh between the gears. This promotes smoother operation and reduces the chances of gear skipping or binding, enhancing the overall performance of your RC crawler.

The COOWOO Drop-In RC Gearbox Upgrade Part is engineered with better tolerances and machining precision, resulting in improved gear alignment and reduced gear backlash. This leads to smoother power transmission and more efficient torque transfer to the wheels, allowing for better control and performance on the trails.

Not only does this upgrade part enhance performance, but it also adds a unique and personalized look to your RC crawler. The sleek aluminum alloy housing and hardened steel gears give your vehicle a standout appearance that sets it apart from the rest.

Installation is a breeze, as this gearbox upgrade is designed as a direct fit for the whole series of 1/18 TRX-4M RC crawler cars. Upgrade your gearbox with the COOWOO Drop-In RC Gearbox Upgrade Part and experience enhanced durability, smoother operation, and improved performance on your RC adventures. Trust COOWOO for reliable and high-quality upgrade parts for your RC crawler.