Overview
This red plastic master cylinder cap fits AL‑KO ¾″ hydraulic brake cylinders (P/N 313002), commonly used in AL‑KO hydraulic conversion kits. The cap prevents contamination and brake fluid leaks—critical for maintaining a functioning trailer braking system. Replacement caps are essential when originals are damaged or missing.
✅ Key Features
-
Fits ¾″ (19 mm bore) hydraulic brake master cylinder
-
Bright red, high‑visibility plastic for easy identification
-
Compatible with AL‑KO part numbers 313005 / 313006
-
Simple press‑fit installation
-
Helps ensure hydraulic system safety and functionality
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 313005 / 313006 |
| Bore Size | ¾″ (19 mm) |
| Material | Red plastic |
| Usage | Replacement fill / dust cap |
| Brand | AL‑KO OEM compatible |
🚚 Applications
-
Used with AL‑KO hydraulic master cylinders (P/N 313002) in brake override conversion setups.
-
Ideal as a spare when trailer master cylinder caps are lost or damaged.
-
Maintains cleanliness, pressure, and fluid integrity in the hydraulic system.
Shipping is calculated at checkout based on your location.