Description Husqvarna genuine OEM flow select knob.Husqvarna 42531031566Factory genuine Husqvarna part Related Products Flow Select Knob | 531031566 MSRP: Was: Now: $111.00 Add to Cart The item has been added Flow Select Valve | 531031558 MSRP: Was: Now: $121.00 Add to Cart The item has been added Decal,Flow Select | 531031240 MSRP: Was: Now: $15.40 Add to Cart The item has been added Flow Select Valve | 42531031558 MSRP: Was: Now: $111.10 Add to Cart The item has been added Knob Angle Select Mb-25 | M5T4328300