Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
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.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What are the temperature limits for the National 370021A Oil Bath Seal?A: The National 370021A Oil Bath Seal operates effectively within a temperature range of -40°F to 225°F (-40°C to 107°C), making it suitable for various demanding applications.
Q: How does the unitized construction of this oil bath seal benefit installation?A: The unitized construction of the National 370021A Oil Bath Seal enhances structural integrity, simplifies installation, and provides main lip protection, ensuring a reliable sealing solution.
Q: What materials are used in the National 370021A Oil Bath Seal?A: This oil bath seal is made from abrasion-resistant nitrile and features a spring-loaded main lip, offering positive sealing with reduced shaft interference.
Q: How do the patented SURE-LOCK ribs work to prevent leaks?A: The National 370021A Oil Bath Seal includes unique rubber inner diameter (I.D.) and outer diameter (O.D.) designs with patented SURE-LOCK ribs that effectively prevent shaft leaks and bore contamination.
Q: Is the National 370021A Oil Bath Seal compatible with all vehicle types?A: While the National 370021A Oil Bath Seal is designed for advanced sealing solutions in modern vehicles, compatibility may vary. It's recommended to check the specifications of your vehicle before purchasing.
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