4 Inch 2.0 Portal Rebuild Kit – Seal, Gasket & Bearing Kit (30MM Spindle Single Idler)
Keep your portal gear system running at peak performance with the 4 Inch 2.0 Portal Seal, Gasket & Bearing Rebuild Kit. This maintenance kit is designed specifically for 4 inch 2.0 portal systems with a larger 30MM spindle and single idler configuration. Whether you are performing preventative maintenance or rebuilding worn components, this rebuild kit helps restore the reliability and performance of your portal lift system.
Portal gear lifts are built to withstand extreme off-road environments including mud, water crossings, and rocky trails. Over time, seals, gaskets, and bearings may wear out due to constant exposure to harsh conditions. This portal gearbox rebuild kit includes essential replacement components to help maintain proper sealing, reduce internal wear, and ensure smooth portal operation.
Replacing worn bearings and seals helps prevent leaks and protects the internal gears of your portal system. This 4 inch 2.0 portal rebuild kit is ideal for riders who want to extend the life of their portal gear lift while maintaining dependable off-road performance.
Key Features
- Complete Rebuild Components – Includes portal seals, gaskets, and bearings required for portal maintenance.
- Designed for 4 Inch 2.0 Portal Systems – Engineered specifically for 2.0 portal gear lift setups.
- 30MM Spindle Compatibility – Built for larger 30MM spindle portal configurations.
- Single Idler Portal System – Designed for single idler portal gearbox setups.
- Restore Portal Performance – Helps eliminate leaks and worn bearings.
- Essential Maintenance Solution – Ideal for servicing portal gearboxes used in demanding off-road conditions.
Compatibility
- 4 Inch 2.0 Portal Gear Lift Systems
- Larger 30MM Spindle Configurations
- Single Idler Portal Boxes
Why Replace Portal Seals and Bearings?
Portal gear lifts operate in extremely demanding environments where mud, water, and debris can affect seals and bearings over time. Using a portal seal, gasket and bearing rebuild kit ensures your portal system maintains proper lubrication and internal protection.
Routine maintenance with a 4 inch 2.0 portal rebuild kit helps extend the lifespan of your portal lift while maintaining the performance and durability required for serious off-road riding.
Cross-reference part/SKU numbers: PGLC-RBKIT-402, 73-15878












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