National 370014A Oil Bath Seal – 3.125" x 4.506", Fits Dexter 12K–16K & AL-KO 10–12K Axles

National 370014A Grease & Oil Seal – 3.125" x 4.506", Fits Dexter 12K–16K & AL-KO 10–12K Axles

🧰 Keep Your Trailer Rolling:
Trusted for heavy-duty trailer use, this National® 370014A unitized seal replaces Dexter 010-056-00 and fits most 12K–16K Dexter and 10–12K AL-KO axles. Known for durability and tight sealing, it’s ideal for high-load applications.

🔩 Key Features:

• Red 37 Series oil bath seal with dependable point contact design

• Outside Diameter: 4.506"

• Inside Diameter: 3.125"

• Width: 0.605"

• Temperature rated from -40°F to 225°F (-40°C to 107°C)

🛠️ Application Fitment:

• Fits most Dexter 12K–16K axles

• Works with AL-KO 10–12K axles

• Used in oil bath or grease-packed hub assemblies

✅ OEM Cross Reference:

• Dexter 010-056-00

• 568217

• 091023

• 25901220

• OB3145059

• A22357B

🏁 Why Choose National® Seals?

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

• Unitized construction offers greater structural integrity and easier installation

• Abrasion-resistant nitrile with spring-loaded main lip provides superior sealing

• SURE-LOCK® ribs prevent shaft leaks and bore contamination

• Rubber I.D. create a snug, secure seal every time