MN Model D4A-03 Front Axle Shaft with Gear – Upgrade Part for MN99S, MN86S, MN90 & WPL Crawlers

The MN Model D4A-03 Front Axle Shaft with Gear is a genuine MN upgrade part built for reliability and performance. It connects the front differential to the wheel hubs, transmitting torque efficiently while maintaining smooth rotational motion. Constructed from high-strength alloy , it’s designed to withstand the stress of off-road crawling, ensuring your front axle runs smoothly even under high torque loads. Whether you’re replacing worn-out components or upgrading for durability, this shaft and gear combo is a must-have for your MN crawler’s drivetrain system. Key Features Precision-Machined Metal Build: Ensures smooth and efficient power delivery. Durable & Long-Lasting: Resistant to wear, stress, and torque strain. Enhanced Drivetrain Strength: Perfect for metal axle or heavy-duty setups. Direct Fit: Designed for MN-series front axle assemblies. Factory Replacement Part: Genuine MN Model component (D4A-03). Compatible Models ✅ Direct Fit MN128 MN99 / MN99S MN90 / MN90K MN86 / MN86S MN82 / MN82S MN78 MN91 MN168 ⚙️ Also Compatible with WPL Crawlers (with minor differential alignment or shaft length adjustments) WPL C14 / C24 / C44KM WPL B14 / B24 WPL D12 / D42 🔧 Tip: Ideal when upgrading to a full-metal axle assembly for stronger, smoother performance.

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