Description
Loader Friction Plates for Professional Repair Shops
Wheel loaders and track loaders take a beating on job sites, and friction plates are among the first components to show wear. The Brake disc for JCB 432ZX wheel loader (Part #550-43098 550-43099) is a quality replacement friction plate for For JCB 432ZX, ready for professional installation in your repair facility.
Common Failure Signs You Will See
Customers bring in loaders with these friction plate-related issues:
- Clutch slipping under load – power loss when pushing material
- Delayed engagement – hesitation when selecting gears
- Brake chatter or grabbing during deceleration
- Burning odor from the clutch housing area
- Increased operating temperature in transmission area
Part Identification
| Part Number | 550-43098 550-43099 |
| Description | Brake disc for JCB 432ZX wheel loader |
| Application | For JCB 432ZX |
| Location | Steering clutch, transmission clutch, or brake assembly |
| Material | Copper-based powder metallurgy friction material |
| Warranty | 6 months |
| Origin | Made in China |
Repair Procedure Checklist
Standard friction plate replacement procedure in a workshop setting:
| Step | Action | Critical Point |
|---|---|---|
| 1 | Position machine safely, relieve hydraulic pressure | Safety first – use proper blocking |
| 2 | Drain transmission/clutch oil | Inspect oil for metal particles |
| 3 | Remove clutch housing cover | Document plate sequence for reassembly |
| 4 | Remove complete plate stack | Count friction and steel plates |
| 5 | Inspect all components | Replace steel plates if scored or warped |
| 6 | Clean housing and piston | Check piston seal condition |
| 7 | Reassemble with new plates | Follow correct alternating sequence |
| 8 | Torque housing bolts to spec | Use torque wrench, follow pattern |
| 9 | Refill with clean hydraulic oil | Bleed air from the system |
| 10 | Test operation before returning | Check for leaks and proper engagement |
For additional technical background on loader components, see our final drive inspection guide and center joint analysis. Our parts selection guide helps with cross-referencing. Order part 550-43098 550-43099 at Negotiable with 1 piece minimum. Check more loader parts or read supplier evaluation tips.

















