MN Model Parts Input Cover Assembly D4A-05

The MN Model D4A-05 Input Cover Assembly serves as the front housing for the central gearbox of MN and WPL crawlers. It holds the main drive gear securely in place, ensuring smoother power transfer from the motor to the drivetrain.

Crafted from precision-machined metal alloy, it’s stronger and more durable than stock plastic parts, offering excellent resistance against wear and heat. Perfect for hobbyists looking to maintain or upgrade their MN or WPL vehicle’s transmission performance, especially when using high-torque motors or metal gear upgrades.

Key Features

• Durable Metal Construction: Made from precision-machined alloy for maximum strength and heat resistance.

• Perfect Fit: Direct replacement for stock plastic gearbox input cover.

• Enhanced Power Transfer: Keeps transmission gears aligned for smoother performance.

• Essential Upgrade Part: Ideal for full-metal drivetrain conversions.

• Compatible with Multiple Models: Fits both MN and WPL crawlers.

Compatible Models

Direct Fit for MN Model Crawlers

• MN128

• MN99 / MN99S

• MN90 / MN90K

• MN86 / MN86S

• MN78

• MN91

• MN66

• MN35

Also Compatible with WPL Crawlers

(Requires no or minor adjustment depending on model)

• WPL C14 / C14KM

• WPL C24 / C24-1 / C24KM

• WPL C44KM

• WPL B14 / B24

• WPL D12 / D42

• WPL D22

🔧 Tip: Recommended to pair with metal central gear and driveshaft upgrades for full drivetrain reinforcement.

Specifications