MN Model MN82/MN78 Parts – Rear Axle Shaft with Gear (D4A-04)

The MN Model Rear Axle Shaft with Gear (D4A-04) is a genuine replacement component engineered for MN82 and MN78 model crawlers. It connects the differential gear to the rear wheel assembly, ensuring consistent torque distribution and reliable rear drivetrain performance.

Constructed from high-strength metal alloy, this part offers exceptional wear resistance, smooth operation, and long-term durability even under demanding off-road use. Ideal for restoring stock performance or completing a full-metal drivetrain upgrade, it ensures your crawler runs smoothly and efficiently across all terrains.

Key Features

• High-Strength Metal Build: Precision-engineered for maximum torque handling.

• Smooth Gear Operation: Ensures efficient power transfer with minimal friction.

• Perfect Fit: Direct OEM replacement for MN82 and MN78 models.

• Durable & Reliable: Designed to withstand high loads and off-road performance.

• Factory-Grade Component: Genuine MN part (D4A-04) for easy installation.

Compatible Models

✅ Direct Fit

• MN82

• MN82S

• MN78

Also Compatible with Other MN Crawlers (with minor alignment or driveshaft length adjustments)

• MN99 / MN99S

• MN90 / MN90K

• MN86 / MN86S

• MN91

• MN128

WPL Compatibility (with slight modification)

• WPL C14 / C24 / C44KM

• WPL B14 / B24

🔧 Tip: Use together with MN Model D4A-03 Front Axle Shaft with Gear for a complete drivetrain upgrade.