Redline Trailer Parts RG04-250 Oil Bath Hub Cap Kit

Description:

The Redline RG04-250 Oil Cap Kit is an oil bath hub cap kit designed to seal and protect trailer wheel hub bearings in AL-KO/Hayes oil bath axle systems. Commonly installed on 10K to 12K AL-KO/Hayes trailer axles used on heavy-duty utility trailers, equipment trailers, commercial trailers, and agricultural trailers, it provides a secure seal while allowing easy inspection of hub oil levels. Maintenance technicians, trailer service providers, and fleet operators use this kit for axle maintenance, oil cap replacement, trailer repairs, and preventive servicing.

Applications:

The Redline RG04-250 Oil Cap Kit is used in heavy-duty trailer axle systems equipped with oil bath hubs to protect wheel bearings from contamination while maintaining proper lubricant retention. It is suitable for commercial trailers, construction equipment trailers, agricultural trailers, heavy-duty utility trailers, and fleet transportation equipment using 10K to 12K AL-KO/Hayes oil bath axles.

Technical Specifications:

• Manufacturer Part Number (MPN): RG04-250
• Manufacturer: Redline Trailer Parts
• Product Type: Oil Cap Kit
• Cap Type: Threaded Oil Bath Hub Cap
• Outside Diameter: 3.75 in
• Compatible Axles: AL-KO/Hayes 10K to 12K oil bath axles
• Kit Contents: Polycarbonate oil cap, O-ring, and rubber fill plug
• Function: Seals oil bath hub and allows lubricant level inspection
• Compatible Equipment: Heavy-duty trailers with AL-KO/Hayes oil bath hub assemblies
• Installation Type: OEM replacement oil cap kit
• Application Environment: Commercial trailers, utility trailers, agricultural equipment, fleet trailers, and heavy-duty transportation applications

Common Replacements:

• Redline RG04-250 Oil Cap Kit
• Dexter RG04-300 Oil Cap Kit
• OEM AL-KO/Hayes 10K–12K Oil Cap Kit