Direct Replacement for the Following OEM Part Numbers:

539114557

Fits The Following OEM Models:

Husqvarna - LSZ4622, LSZ5422, LSZ5424, MZ25, MZ5225, MZ5225C, MZ5226, MZD52, RZ4219, RZ4619, RZ4620, RZ5422, RZ5424, RZ5424T, RZ5426, RZ54i, Z254, Z254i

Jonsered - Z54R

Poulan Pro - 541ZX