Filler Caps and Accessories

For Manufacturers of Rail Locomotives, Marine and Racing Vehicles, Liquid Processing Systems
and Storage, and Heavy Duty Off-Road, Construction, Mining, Farm and Forestry Equipment

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  • 300 Series
    • 300 Caps
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    • 400 Caps
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    • 400 Strainers
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Our 400 Series products match applications with a sealing area of 3.0 inches diameter. A variety of cap and neck styles and materials accommodate radiator and hydraulic oil for locomotive, off-highway and heavy industrial applications. Accessory options let you build the filler assembly you need and three different strainers provide varying degrees of filtration for 400 Series installations to help you maintain clean fluids within your engine or system.

Wisco Products also specializes in meeting your custom needs. Regardless of your order quantity, Wisco provides the service and performance you can count on.

View our product catalog in this section and then call our Inside Sales Department now at 800-367-6570 to learn how Wisco Products can meet your engine and process fluid fill needs!