Cylinder Piston Kit 40mm 20021-12110 70198-12110 Fit For B45 B45INTL B45LA GP45 GP450 RC-45 A130001330 The Cylinder Piston Kit is designed to maintain the performance of compatible models including B45, B45INTL, B45LA, GP45, GP450, and RC-45.Featuring a 40mm bore size, the cylinder and piston are constructed to support in garden power tools.The kit includes one cylinder, one piston kit, one cylinder gasket, and one intake gasket, providing all necessary components for installation. Engineered for durability, the cylinder and piston assembly is built to withstand demanding conditions.The materials used support resistance to temperatures, with volatile material emissions rated at ≤ XUSIXSIC at 105℃.This stable performance under typical operating heat loads. The design allows for direct replacement, offering compatibility with manufacturer specifications.With proper installation, the kit helps restore functional performance to intended levels, supporting efficient for gardening applications. Compatibility Statement: This is a third-party replacement.Brand/model references serve only as compatibility indicators.