Carburetor Rebuild Overhaul Kit For Zama RB-149. Complete Kit That is OK for 10%+ Ethanol In Fuel, Includes gaskets, diaphragm, welch plug, needle, and inlet lever. By Zama aftermarketCategory: Complete Overhaul GasketUsed on Zama carburetors: C1T-EL41A, C1T-W33, C1T-W33A, C1T-W33B & C1T-W33C Those carbs were used on Husqvarna 435, 435 E Air Head Saws and Poulan Air Head Hobby Saws. If you have any further questions, please feel free to contact us. We look forward to serving you in the future.