Restore a dry, reliable drivetrain area with the PROX Countershaft Seal Kit. This kit is engineered as an upgrade over OEM parts, helping you address one of the most common leak points around the front sprocket/countershaft. By combining an upgraded seal with a hardened bushing, it’s built to improve wear resistance and maintain a better sealing surface over time.
If you’re dealing with seepage around the output shaft or you’re refreshing the engine during maintenance, this complete kit simplifies the job by bundling the key components needed for a proper replacement.
Key features:
✅ OEM-upgrade design – developed to improve performance over standard components
✅ Complete kit – upgraded seal and hardened bushing included
✅ Extra hardware when applicable – includes an O-ring plus a snap ring or lock washer where required
Benefits of use:
🔹 Helps reduce oil leaks around the countershaft/front sprocket area
🔹 Improved durability thanks to the hardened bushing and upgraded sealing components
🔹 Easier maintenance with a kit that consolidates the needed parts in one package
Technical specifications (if needed):
📌 Brand: PROX
📌 Vendor Part Number: 26.640015
📌 Application: Countershaft
📌 Unit: Kit
Why choose this product?
⭐ Built as an upgrade over OEM for long-term reliability
⭐ A complete, application-focused kit to replace worn sealing components correctly
⭐ Ideal for regular service intervals, rebuilds, or fixing persistent seepage at the output shaft
