SKU:10-0400
Precision-ground OEM replacement pinion shaft built in the USA, engineered for a precise fit and reliable operation on Harley-Davidson EL and FL models from 1939 through 1948.
The shaft includes a key-way slot that must be aligned correctly during installation, with the oil hole and large spline oriented at 3 o'clock. Turn the shaft so the key-way sits at 12 o'clock before final assembly to ensure proper alignment and lubrication.
Dimensions are designed to meet OEM specifications, providing a seamless fit that preserves the integrity of your drivetrain. This part is intended for restoration projects or repairs on vintage Harleys and is compatible with a range of models listed below.
For a complete rebuild or comprehensive repair, consider pairing this shaft with accessory items such as:
Trust in OEM cross-reference and American manufacturing quality to keep your vintage Harley-Davidson running smoothly. Proper installation and maintenance of this part will help preserve the classic performance and character of your motorcycle for years to come.
Precision ground for correct fitment.The Eastern Engine Pinion Shaft (Part A-24006-39) is a high-quality replacement component designed for vintage Harley Davidson models including EL and FL series from 1939 to 1948. Crafted in the USA, this pinion shaft ensures reliable performance and precise fitment for your classic motorcycle. The shaft features a key way slot that must be aligned correctly during installation, with specific attention to spline timing and orientation. Before final assembly, turn the shaft so that the key way slot is at the 12 o'clock position, with the oil hole and large spline at 3 o'clock to ensure proper alignment and lubrication. Proper installation is crucial for optimal operation and longevity of the transmission system. The shaft's dimensions are engineered to meet OEM specifications, providing a seamless fit and maintaining the integrity of your motorcycle's drivetrain. This component is compatible with a range of Harley Davidson models from 1939 through 1948, making it an essential part for restoration projects or repairs of vintage motorcycles. The durable construction and precise manufacturing process ensure that the pinion shaft withstands the stresses of riding while maintaining smooth gear engagement. For a complete rebuild or replacement, consider pairing the shaft with accessory items such as the Overhead Valve Engine Pinion Shaft (SKU 10-0441), Pinion Shaft White Size Gear (SKU 12-1265), Left Hand Pinion Shaft Screws (SKU 10-0518), and additional Overhead Valve Engine Pinion Shaft components (SKU 10-1318) to ensure a comprehensive repair solution. Trust in the OEM cross-reference and American manufacturing quality to keep your vintage Harley Davidson running smoothly. Proper installation and maintenance of this part will help preserve the classic performance and character of your motorcycle for years to come.
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