BK99-545-02 - Drum Kit – 3.5K Axle – Pre-Greased – 5 on 4.5 | MT

BK99-545-02 - Drum Kit – 3.5K Axle – Pre-Greased – 5 on 4.5 | MT
The 3.5K Pre-Greased Drum Kit by MAT provides a convenient all-in-one replacement solution for trailer drum brakes. Designed for 3,500-lb axles, this kit features pre-installed bearings and seal, with all necessary hardware included for a fast and clean install. The drum is coated with black paint to resist corrosion and is shipped boxed and ready for use.
Detailed Information:
| Axle Rating | 3,500 lbs |
|---|---|
| Drum Style | Pre-greased |
| Bolt Pattern | 5 on 4-1/2″ |
| Finish | Black paint |
| Packaging | Boxed |
Fitting:
Designed for standard 3,500-lb trailer axles with brake assemblies. Ideal for utility, camper, and small equipment trailers using a 5 on 4.5" wheel pattern.
Included Components:
- 1x L68149 Inner Bearing (pre-installed)
- 1x L44649 Outer Bearing (loose)
- 1x 10-172 Grease Seal (installed)
- 5x Lug Nuts
- 1x Dust Cap with Rubber Plug
- 1x Castle Nut
- 1x Flat Washer
- 1x D Washer
- 1x Tang Washer
- 1x Cotter Pin
Features:
- Ready to Install: Pre-greased and boxed for immediate setup
- Durable Finish: Black coating protects against rust and wear
- Precision Fit: OEM-matched for 3.5K axle drum brake systems
- Complete Kit: Includes bearings, seal, hardware, and cap
Interchangeable Part Numbers:
- BK99-545-02
- 99-545-02
Product Overview:
The 3.5K Pre-Greased Drum Kit from MAT is engineered for ease of use and lasting performance. With pre-installed components and hardware included, this kit delivers a clean and efficient drum brake replacement for a variety of trailer types.
- Product type: Drums & Hubs






















































