5 on 5 Left Side Brake Assembly Spindle Kit Stub End Unit – 3,500 lb Axle
Part Number: STUB-84-550-DL
This left side brake assembly and spindle kit is intended as a replacement solution for damaged or no-longer-serviceable trailer spindles on common 3,500 lb axles. The assembly uses a 5 on 5" bolt pattern and is commonly found on GM large bolt pattern applications. Components are supplied to replace one complete side of the axle.
Features
- Left-hand brake drum and backing plate assembly
- 5 on 5" (5 x 5) bolt pattern, common GM large pattern
- Includes standard #84 spindle for 3,500 lb axles
- Designed for replacement of a single axle side
- Commonly used on utility and equipment trailers
Specifications
| Part Number | STUB-84-550-DL |
| Axle Rating | 3,500 lb (single axle rating) |
| Bolt Pattern | 5 on 5" (stud spacing approx. 4-3/4") |
| Brake Size | 10" drum, left-hand backing plate |
| Spindle | #84 spindle (SP-20084FZ) |
| Pipe / Tube Fitment | Fits standard 2" Schedule 40 pipe or common 2.375" axle tubes |
Included Components
- 1 × 3,500 lb brake drum, 5 on 5" bolt pattern
- 1 × 10" left-hand brake backing plate
- 5 × lug nuts
- 1 × 1.98" dust cap
- 1 × L44649 bearing
- 1 × L68149 bearing
- 1 × 10-19 grease seal
- 1 × SP-20084FZ spindle
- 1 × 1" axle nut
- 1 × 1" spindle washer
Common GM Large 5 on 5" Bolt Pattern
Spindle Size Reference
Included Spindle – SP-20084FZ
Typically compatible with many axle brands including Dexter, AL-KO, Quality, and Lippert when using a #84 spindle. Verify spindle dimensions, axle tube size, and brake configuration before installation.