SPRING PREFERENCE COMPATIBLE WITH: MOTORWHEELER MODELS: 333 444 MAC 320 340 MAC 2214 2316 2416 2618 M 3616 3816 4218 MC CULLOCH 012740 Original code: ALSO COMPATIBLE WITH: MOTORWHEELER PARTNER MODELS: 33 351 352 370 371 382 390 391 401 420 421 422 FORMULA 60 FORMULA 400 Original code: 530. 0420.82 530042082 ALSO COMPATIBLE WITH: POULAN MOTOR SAWS MODELS: 2050 AV 2150 AV 2250 2375 AV 2450 2555 original code