HIPA 503283105 Carburetor Repair Kits Gasket for Husqvarna 51 51EPA 55 55EPA 55EU1 Rancher Chainsaw C1Q-EL6 C1Q-EL7 For ZAMA C1Q-EL6 C1Q-EL7 carburetor Fits husqvarna 51 51EPA 55 55EPA 55EU1 Rancher Chainsaw that equipped with a ZAMA C1Q-EL6 or C1Q-EL7 carburetor Some machines with the same model number may equipped with a different carburetor Make sure the kits are precisely what you need before placing an order