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Oblique view of a 40mm fork seal driver, knurled zinc plated two‑half cylindrical tool marked ASTA and 40MMTop angled view of a knurled, zinc‑plated 40mm fork seal driver with ASTA marking and visible part numberFront view of split two‑half 40mm fork seal driver showing internal bore, hinge pins and knurled exterior

40mm Fork Seal Driver, Split Design, Zinc-Plated Steel

Professional-grade 40mm fork seal driver with split clamshell design for motorcycle and powersports fork maintenance.

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Description

40mm Fork Seal Driver – Professional Fork Maintenance Tool

Brief Overview

This 40mm fork seal driver is a precision tool built for motorcycle and powersports technicians who need reliable, repeatable fork seal installation. The split-clamshell design allows technicians to work around the fork axle without disassembly, reducing labor time on routine seal replacement jobs. Whether you stock this size exclusively or pair it with complementary sizes like 37mm and 39mm drivers and 41mm and 45mm variants, this tool ensures your shop delivers professional results on a wide range of fork diameters.

Key Features

  • Split Clamshell Design: Two-piece hinged construction allows installation without removing the fork axle or disassembling components
  • Diamond Knurled Grip Surface: Aggressive texture provides secure handling, even with gloved hands or under wet shop conditions
  • Zinc-Plated Steel Construction: Corrosion-resistant finish withstands repeated use and storage in humid environments
  • Axle Clearance Slots: Precision rim cutouts accommodate fork axles and stanchions of varying diameters
  • Chamfered Edges: Smooth entry design prevents binding during installation and protects seal lips from damage
  • Smooth Internal Bore: Precision-machined internal surface ensures even pressure distribution across the seal for proper seating

Business Advantages for Resellers

  • Essential Shop Tool: Fork seal replacement is a high-frequency maintenance service across motorcycle, scooter, and ATV markets—consistent demand from independent shops and dealerships
  • Bulk Order Margins: Standard industrial tool with proven market demand; ideal for distributor inventory and shop supply packages
  • Minimal Shelf Obsolescence: Non-electronic, durable construction means no expiration dates or technical depreciation
  • Cross-Sell Opportunity: Customers requiring 40mm drivers often service multiple fork sizes; recommend complementary sizes to increase transaction value
  • Repair Shop Essential: Mechanics performing fork seal service cannot avoid this tool—strong retention and repeat purchasing patterns

Technical Specifications

Specification Value
Seal Driver Diameter 40mm
Design Type Split Clamshell / Hinged Two-Piece
Material Steel
Finish Zinc-Plated (Iridescent)
Surface Texture Diamond Knurled
Hinge Assembly Pin-Secured Clamshell Mechanism
Edge Treatment Chamfered
Internal Bore Smooth, Precision-Machined
Rim Feature Axle Clearance Slots
Brand Asta
Part Code A-MF32915

Why Stock This Size?

The 40mm fork seal driver covers a significant segment of modern motorcycle and scooter platforms. Combined with adjacent sizes in your inventory, you create a complete fork maintenance solution that appeals to both independent technicians and professional service centers. The split design is the industry standard for in-frame installation, making this tool non-negotiable for any shop serious about fork seal work.


Ready to order? Add this essential tool to your inventory today. Pair with other fork seal driver sizes for complete shop coverage and stronger customer relationships.