Engines | Mounts, , CUMMINS ISB, TIming Cover, (GOOD USED) CUMMINS ENGINE TIMING COVER PART # 3974966, STOCK # 3015 | TESTED & INSPECTED! ALL OURPARTSARETESTEDAND SHIPPRIORITY MAIL!OVERNIGHT SHIPPINGOPTIONS ARE AVAILABLE! CONTACT US FOR MORE INFORMATION!CALL(305)688-1101