STIHL Fuel Tank - 4149 350 0414

Replaces fractured or degraded reservoirs on light-duty forestry tools with factory-accurate fuel containment geometry and leak-proof mounting interfaces.

Key Features

• Molded thermoplastic shell resists flex fatigue under high-RPM motor vibration
• Integrated breather circuit eliminates pressure lock during sustained idling or aggressive throttle cycles
• Pre-aligned mounting bosses match original chassis stud spacing without drilling or welding
• Reinforced fuel port sleeves accept standard two-line hose diameters and clamp securely without splitting
• Straight swap replacement reduces average install time to under four minutes using basic hand tools

Product Details

• Part Identifier: 4149 350 0414
• Manufacturer: STIHL
• Primary Construction: Impact-modified thermoplastic resin
• Fluid Tolerance: Optimized for petroleum-based two-stroke fuel/oil blends up to 50:1 mixing ratios
• Sealing Profile: Flat gasket contact surface compatible with stock O-ring and washer configurations
• Weight Characteristics: Lower mass than metal alloy alternatives, reducing lateral strain on frame brackets

Compatibility

• Direct replacement for STIHL MS platform variants including MS 170, MS 180, MS 170 C-BE, MS 180 B, MS 180 BE, MS 192 C-E, MS 194 C-E, MS 200, MS 201, and MS 251
• Interfaces cleanly with factory fuel filter housings and primer bulb assemblies without adapter modification
• Preserves original chain tensioner routing channels and clutch side cover bolt patterns during reassembly