Rainier Parts HL166B Carburetor Tillotson HL166 Series For STIHL 08S Chainsaw Replacement HL166B Ready To Install

Rainier Parts presents a brand-new HL-166B Tillotson carburetor replacement, a precise-fit solution for STIHL 08S/08s chainsaws. This ready-to-install unit delivers reliable fuel delivery and compatibility with the HL-166 family, including HL-166A, HL-166B, and HL-166C variants, and is suitable for MS070 and MS090 models.

• Compatibility: Replaces Tillotson HL-166 family (HL-166, HL-166A/B/C) and fits STIHL 08S/ MS070/MS090 chainsaws.
• Factory Settings: Preset with L = 3/4, H = 1 1/4, idle adjustment screw 1–2 turns for quick setup.
• Ready-to-Install: Complete with factory configuration, designed for straightforward installation without additional machining.
• Materials & Build: Made from high-quality materials with precision machining for durable performance under load.
• Color: Color matches product images (As pictures show).
• Packaging: 1 x Carburetor per package.
• Brand: Rainier Parts — trusted source for dependable, aftermarket carburetor replacements.

This HL-166B carburetor replacement helps restore smooth starts, stable idle, and steady power across cutting tasks. By delivering a reliable air-fuel mix, it supports easier cold starts, reduces stalling, and keeps your STIHL chainsaw running consistently in varying conditions. It’s ideal for DIY homeowners, weekend woodcutters, and professional operators who rely on predictable performance. The unit is designed as a direct-fit replacement to minimize downtime, making maintenance quicker and more efficient.