Caterpillar Valve Spring, 1597303

replaces 3S3018, 1597303
773 Truck Engines 63G1-63G777 D346 Engines 39J1-39J1156 D346 Marine Engines 40J1-40J365 D346 Truck Engines 98N1-98N415 641B Wheel Tractor 65K1-65K974 650B Wheel Tractor 58K1-58K380 650B Wheel Tractor 58K381 651B Wheel Tractor 67K1-67K596 651B Wheel Tractor 67K606 657B Wheel Tractor 68K1-68K884 660 Wheel Tractor 90F1-UP 660B Wheel Tractor 58K1-58K378 660B Wheel Tractor 58K381 666B Wheel Tractor 66K1-66K226 D348 Engines 36J1-36J1037 D348 Marine Engines 38J1-38J256 D348 Truck Engines 57K1-57K682 992B Wheel Loader 42X1-UP D349 Engines 61P1-61P570 D349 Marine Engines 62P1-62P317 D349 Truck Engines 32R1-32R284