CUMMINS 4BT/6BT VALVE SHIM (3900250-ADON)

Ensure peak performance of your Cummins 4BT and 6BT diesel engines with the genuine CUMMINS VALVE SHIM (3900250-ADON). This high-strength valve shim provides a perfect seal on the intake valve, preventing air leaks and maximizing engine efficiency. Its precision design guarantees a snug fit, promoting consistent and efficient airflow for improved power and fuel economy. A worn or damaged shim can lead to air leaks, impacting engine compression, resulting in hard starting, power loss, and increased fuel consumption. Regular inspection and replacement, as needed, are crucial for optimal engine operation. Always use original Cummins parts for guaranteed compatibility and performance. For proper installation, use the correct tools and consult your engine's service manual. Replacement should be performed by an authorized technician.