CATERPILLAR 109-5321 Seal AS 1095321

Caterpillar 109-5321 Seal AS – OEM-Grade Marine Seal for Heavy-Duty Applications

The Caterpillar 109-5321 Seal AS is a high-performance sealing component designed specifically for marine engine models including 4TB-3406B, 9WK-3176B, 6BW-3176C, 2XR-3196, and 9WR-3406E. Manufactured to Caterpillar’s stringent OEM standards, this seal ensures superior durability and resistance to harsh marine environments. Crafted from advanced elastomeric materials and precision-engineered metallurgy, the 109-5321 Seal AS provides optimal sealing under extreme load conditions, preventing fluid leaks and maintaining drivetrain integrity.

This seal’s robust design accommodates the dynamic pressures and thermal variations typical in marine propulsion systems, enhancing engine reliability and reducing maintenance downtime. Its exact fitment guarantees seamless integration with Caterpillar marine engines, ensuring consistent performance and longevity. Ideal for heavy equipment operators seeking dependable spare parts, the 109-5321 Seal AS supports efficient engine operation and protects critical components from contamination and wear.

🔗 For genuine Caterpillar 109-5321 Seal AS and detailed specifications, visit the official product page at Caterpillar 109-5321 Seal AS on AllParts Expert.