Replaces the following part numbers

Husqvarna 38-3644

Fits Husqvarna Chain Saw Models
61 With Tillotson Carburetor HS-163A,163B
65,65L With Tillotson Carburetor HS-123A,23A
77,77L With Tillotson Carburetor HS-123A,23A,23B
160 With Tillotson Carburetor HS-123A,123B
162SE-G With Tillotson Carburetor HS-163A,163B
162 With Tillotson Carburetor HS-163B
163 With Tillotson Carburetor HS-122A
163S With Tillotson Carburetor HS-122A
165R(Clearing Saw) With Tillotson Carburetor HS-121A,121B
170 With Tillotson Carburetor HS-163A
180 With Tillotson Carburetor HS-122A
180S With Tillotson Carburetor HS-122A
181 With Tillotson Carburetor HS-216A,216B
181SE,SG With Tillotson Carburetor HS-216A,216B
185 With Tillotson Carburetor HS-136A
260 With Tillotson Carburetor HS-123A
260CD With Tillotson Carburetor HS-122A
263 With Tillotson Carburetor HS-123A
263CD With Tillotson Carburetor HS-122A
266SE,SG With Tillotson Carburetor HS-163A
280 With Tillotson Carburetor HS-169A,169B
280S With Tillotson Carburetor HS-122A
285CD With Tillotson Carburetor HS-136B,136
380CD With Tillotson Carburetor HS-122A
380 With Tillotson Carburetor HS-169A,169B
380K With Tillotson Carburetor HS-141A,170A,170B
480K(Power Cutter) With Tillotson Carburetor HS-21
480CD With Tillotson Carburetor HS-205A
1100CD With Tillotson Carburetor HS-136B
2100 With Tillotson Carburetor HS-13B
2100 With Tillotson Carburetor HS-136D
2100CD With Tillotson Carburetor HS-136C