Product Description
Mitchell 81097 Side Plate – High-Speed Left-Hand Series Replacement
Ensure the structural integrity of your high-speed vintage spinning reel with the Mitchell 81097 Side Plate, also designated by its primary model identification, 401. This authentic replacement gear cover is a critical component for the Mitchell 401 high-speed series, providing the necessary housing to secure internal drive gears and protect the oscillation system from environmental contaminants.
Precision-manufactured with the classic dark blue finish and iconic small script lettering, this side plate is essential for restorers aiming for period-accurate factory specifications.
Product Specifications
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Part Number: 81097
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Model Designation: 401
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Component Type: Side Plate / Gear Cover
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Material: High-grade, corrosion-resistant alloy
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Color: Midnight Blue (Classic Mitchell 400-Series Finish)
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Origin: Made in France (Engineering Standard)
Compatible Models
The Mitchell 81097 (401) side plate is specifically engineered for high-speed, left-hand retrieve chassis. It is a verified fit for:
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Mitchell 401 (High-speed, Left-hand retrieve)
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Mitchell 401A
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Mitchell 401S (Special variants)
Note on Compatibility: While the 401 is the left-hand version of the 400, the side plates are not generally interchangeable between right and left-hand models due to the gear shaft positioning and anti-reverse lever cutouts. For exact verification of your reel's internal layout, visit www.reelschematic.com to download the official PDF parts diagrams.
Professional Maintenance & Lubrication
A high-speed reel like the Mitchell 401 generates more internal friction than standard models. To maintain the "silk-smooth" retrieve these reels are famous for, proper lubrication is required during side plate installation.
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Internal Gear Train: We recommend applying Deuthlon Reel Grease to the drive gear and pinion teeth. Its specialized "Dust-Shield" properties provide a long-lasting barrier against wear and saltwater intrusion.
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Bearing & Pivot Points: For the handle shaft and anti-reverse mechanisms, use Deuthlon Reel Oil. This ultra-low viscosity oil ensures instant engagement and reduces the "start-up" inertia required to begin your retrieve.
Why Genuine Mitchell Parts?
The Mitchell 81097 is designed to maintain the "box-rigid" alignment of the drive gear. Using genuine parts prevents gear binding and ensures the side plate screws (Part #81027) seat perfectly without stripping the main housing threads. This part is vital for preserving the mechanical longevity and collector value of your 400-series high-speed reel.

