4137 120 0636 – STIHL Carburetor C1Q‑S1574137 120 0636 STIHL Carburetor C1QS157 The 4137 120 0636 is a genuine STIHL C1QS157 carburetor, engineered to deliver precise air fuel mixture control for optimal engine performance on STIHL KombiSystem power heads. Designed for reliability and smooth operation, this carburetor enhances performance, helps maintain consistent RPMs, and ensures dependable starting. Product Specifications Manufacturer ID: 4137 120 0636 Model: C1QS157 Type: Diaphragm
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