Heavy Duty Friction Pack for ADVANCE 7502 Series Gearbox
Product Overview
Nantong Yida Friction Materials Co., Ltd offers premium aftermarket replacement friction solutions for ADVANCE (Hangzhou Advance / Hangchi) Gearboxes.
This specific kit is engineered to fit the 7502 marine and industrial transmission systems. Our friction discs are manufactured using high-grade sintered bronze powder, ensuring a stable coefficient of friction and excellent heat dissipation under heavy loads.
Why Choose Yida Replacements?
OEM Match: Strictly produced according to original dimensions (OD, ID, Teeth) for a drop-in fit.
High Durability: Superior wear resistance significantly extends the service life of your gearbox.
Versatile Application: Suitable for marine gearboxes, wheel loaders, and construction machinery.
Specifications for 7502 Series
| OEM Part No. | Type | Material | Dimensions (mm) | Teeth |
|---|---|---|---|---|
| 7502-019 | Inner Disc | Sintered Bronze | 270 x 168 x 3 | IT 48 |
| 7502-021A | Outer Plate | Steel | 282 x 190 x 4 | OT 80 |
| 7502B-028 | Outer Plate | Steel | 282 x 190 x 3.5 | OT 80 |
Technical Notes & Installation
Material composition:
Inner Discs (SM): Copper-based sintered metal (Bronze) for high thermal conductivity.
Outer Plates (SI): High-carbon steel with precision flatness control to prevent shudder.
Recommendation: We highly recommend replacing friction discs and mating plates in complete sets to ensure optimal transmission performance.
Global Shipping & Support
We export daily to Southeast Asia, Russia, South America, and the Middle East. Whether you need a single repair kit or a bulk wholesale order, we have the stock to support you.
Ready to Order?
Part Number: 7502-019,7502-021A,7502B-028
Condition: New Aftermarket
Stock Status: Available
Click Here to Contact Us for a Quote
*ADVANCE and Hangzhou Advance are registered trademarks of Hangzhou Advance Gearbox Group Co., Ltd. Nantong Yida is not affiliated with the OEM. Part numbers are for reference only.*

