Product Description
Fin-Nor HO421-03 Spool Assy Kit LT40
Part Number: HO421-03
Alternate Part Number: 1533337
Part Name: Spool Assembly Kit
Product Overview
Get your spinning reel back in fighting shape with the Fin-Nor HO421-03 Spool Assembly Kit. Designed specifically for the Fin-Nor Lethal LT40, this complete spool assembly serves as a direct factory replacement, ensuring your reel maintains the high-performance standards set by the original manufacturer.
The spool is precision-machined from high-grade aluminum, offering the durability needed to handle heavy lines and aggressive saltwater species without adding unnecessary weight. It features Fin-Nor's signature braid-ready design, incorporating a rubber band that prevents braided superlines from slipping under heavy load, eliminating the need for monofilament backing.
As an assembly kit, this unit comes pre-fitted with the internal drag stack and clicker mechanisms, allowing for a quick and easy "drop-in" installation. It is built to support the Lethal series' powerful MegaDrag™ carbon fiber system, providing smooth, consistent stopping power.
Key Features
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Genuine Fin-Nor Replacement: Exact fit for the Lethal LT40 spinning reel.
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Machined Aluminum: Lightweight yet rigid construction to resist corrosion and deformation.
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Braid-Ready Design: Integrated knurling or rubber grip prevents braid slippage.
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Complete Assembly: Includes pre-installed drag washers and clicker components for immediate use.
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Saltwater Grade: Treated for resistance against harsh marine environments.
Compatible Models
This part is verified to fit the following reel model:
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Fin-Nor Lethal LT40
Schematic Reference
To verify part location and compatibility, please consult the PDF schematics available at: www.reelschematic.com
(Note: Please check your reel's specific model number and generation to ensure this spool assembly matches your requirements.)
Installation Notes
This spool assembly is a direct drop-in replacement. Simply unscrew the drag knob, remove the old spool, and slide the new HO421-03 unit onto the main shaft. Ensure the drag knob is tightened securely before use. No complex tools or disassembly of the reel body is required.
Maintain the legendary power of your Lethal LT40 with genuine Fin-Nor replacement parts.

