General description Set of 2 carburetor diaphragms designed for various models of STIHL, Mc Culloch, and Solo chainsaws. These diaphragms are compatible with a range of Tillotson HU carburetors, ensuring optimal performance and reliability. Technical specifications Compatible with STIHL models: 020, 024, 028, 030, 031, 032 Compatible with Mc Culloch models: PM 370, PM 490 Compatible with Solo models: 610, 647 Compatible with Tillotson HU carburetors: HU-1C to HU-37B, HU-38A to HU-40C, HU-42A to HU-51A, HU-52A, HU-53A to HU-54E, HU-57B, HU-59A to HU-67A, HU-68A to HU-70A, HU-71A, HU-1A, HU-1A.1B to HU-105A, HU-101A, HU-101B, HU-102A, HU-102B, HU-103A, HU-103B, HU-104A, HU-104B, HU-105A Replaces comparison numbers: RK-13HU, RK-14HU Scope of delivery 2 membrane holders