Specs: 

North American Trailer Dealers Association 2019 Product of the Year - https://valcrum.com/valcrum-wins-2019-product-of-the-year-at-natda/

This cap was created to solve the age-old trailer issue of constantly broken fragile plastic oil caps that:

• Cost you money replacing multiple caps year over year
• Cost you time & labor to stop, maintain, and replace broken caps
• Cost you a customer AND the job if your trailer breaks down due to leaking lubrication

Revolutionary Features:

• Magnetic vent plug that captures metallic particles & debris to preserves internal axle components and prevent bearing failure
• Heavy duty aluminum alloy body protects from exponentially more external damage to eliminate replacement frequency & decrease downtime
• Zerk fitting port allows for easy conversion of oil bath hubs to grease packed hubs

Fits:

• Fits AL-KO and Hayes axles 8K axles
• Dexter cross over number K71-845-00

W's Included:

• (4) 2 7/8" universal threaded hub cap
• (4) gasket
• (4) lens
• (4) retainer ring
• (4) foam gasket
• (24) Torx Screws
• (4) magnetic vent plug
• (4) 1/8 -27 NPTF plug included
• (4) O-Ring