MAT BK99-545-02 3.5K Trailer Hub & Drum Kit 5 on 4.5 Pre-Greased Complete

Complete 3,500 lb Trailer Hub & Drum Kit – Ready to Install

Get your trailer back on the road quickly with the MAT (Miller Automotive Technology) BK99-545-02 complete hub and drum kit. This kit comes pre-greased and ready for installation, saving time while providing the essential hardware needed for a hub replacement.

Designed for 3,500 lb trailer axles with a 5 on 4.5″ bolt pattern, this complete kit includes the hub and drum assembly along with bearings, grease cap, lug nuts, spindle nut, lock washer, and cotter pin.

Perfect for utility trailers, enclosed trailers, cargo trailers, equipment trailers, boat trailers, and many other applications using standard 3,500 lb axles.

Features

• Genuine MAT (Miller Automotive Technology) product
• Part Number: BK99-545-02
• Fits 3,500 lb trailer axles
• 5 on 4.5″ wheel bolt pattern
• Pre-greased and ready to install
• Complete replacement kit
• Durable steel construction
• Great for routine maintenance or trailer repairs

Kit Includes

• (1) Pre-greased hub & brake drum assembly
• Bearings (installed)
• Grease cap
• Lug nuts
• Spindle nut
• Lock washer
• Cotter pin

Everything needed for a straightforward installation.

Specifications

Brand: MAT (Miller Automotive Technology)
Part Number: BK99-545-02
Axle Capacity: 3,500 lbs
Bolt Pattern: 5 on 4.5″
Condition: New
Greased: Yes Factory Pre-Greased

Common Applications

Compatible with many trailers equipped with 3,500 lb axles using a 5 on 4.5″ wheel bolt pattern, including:

• Utility trailers
• Cargo trailers
• Enclosed trailers
• Equipment trailers
• Landscape trailers
• Boat trailers
• Car haulers
• Custom trailer builds

Please verify your axle capacity, bearing sizes, and bolt pattern before ordering to ensure compatibility.

Why Buy This Kit?

Instead of sourcing bearings, grease, seals, hardware, and the hub separately, this complete kit arrives pre-greased and includes the installation hardware needed for a faster replacement.

Ideal for replacing worn or damaged trailer hubs or keeping a spare on hand for routine maintenance.

Shipping

• Fast shipping
• Secure packaging
• Brand new in original packaging
• Bulk quantities available for trailer builders, repair shops, and fleet operators