Tappet Pushrod Cover 3990737 3990738 for Cummins 6BT 6CT 4BT 5.9L 12V Engine

Enhance the performance of your Cummins 6BT, 6CT, or 4BT 5.9L 12V engine with this aftermarket Tappet Pushrod Cover, compatible with part numbers 3990737 and 3990738. Designed to provide a reliable seal and protect critical engine components, this cover ensures durability and long-lasting use. Please note, this is an aftermarket replacement part and not an OEM product. Easy to install and built to meet or exceed industry standards, it’s a cost-effective solution for engine maintenance. Keep your engine running smoothly with this high-quality tappet pushrod cover Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.