Fit For Fs350 Fs400 Fs450 Fs480 Fine-Tuning Gearbox Gearbox Fit For Stihl Chain Saw-B51B 2X Gearbox Head Housing. High-temperature resistance maintains structural integrity even in extreme climate conditions. Compact dimensions save space in the engine bay, allowing for more flexible vehicle design. Featuring a surface simple to clean, this part streamlines maintenance and maintains neatness in the engine bay. The accessible‑clean outer layer reduces servicing effort and helps keep the engine area well‑organized visually., Manufacturer: CQJJXKYC