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National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

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  • Dynamic Edge Red 37 Series oil bath seals deliver dependable point contact seal

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• • Temperature range: -40°F to 225°F / -40°C to 107°C

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• • Unitized construction provides greater structural integrity, easier installation and main lip protection

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• • Abrasion-resistant nitrile with spring-loaded main lip for positive sealing with reduced shaft interference

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• • Unique rubber I.D. and O.D. includes patented SURE-LOCK® ribs that prevent shaft leaks and bore contamination

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