Redline RG04-250 Oil Cap Kit - Fits AL-KO/Hayes 10K-16K Axles

Protect your trailer's investment with the Redline RG04-250 Oil Cap Kit, designed to fit compatible AL-KO/Hayes 10K–16K oil bath axles. This replacement kit helps restore a proper seal to your trailer hub, keeping gear oil where it belongs while protecting your wheel bearings from dirt, water, and road debris.

A damaged or leaking oil cap can lead to low lubricant levels, bearing failure, and expensive axle repairs. Replacing worn oil caps during routine trailer maintenance is an easy and affordable way to extend the life of your hubs and bearings while keeping your trailer safe and road-ready.

Features & Benefits

• Fits compatible AL-KO/Hayes 10K–16K oil bath axles
• Helps maintain proper oil levels inside the trailer hub
• Prevents dirt, moisture, and contaminants from entering the hub
• Protects wheel bearings from premature wear and failure
• Durable construction for dependable, long-lasting performance
• Quick and easy installation with no special tools required

Ideal For

Perfect for heavy-duty equipment trailers, flatbed trailers, gooseneck trailers, dump trailers, livestock trailers, commercial trailers, and other trailers equipped with compatible AL-KO/Hayes oil bath axle systems.

Keep your trailer rolling with confidence by replacing worn or leaking oil caps before they become a costly repair. The Redline RG04-250 Oil Cap Kit delivers a secure fit and reliable protection, helping your trailer hubs perform mile after mile.