This throttle hose kit is compatible with Husqvarna 135, 140 F, 140, 435, 435 E, and 440 E models, as well as Jonsered CS410, CS2240, and CS2240S chainsaws. It replaces OEM part numbers 506450501 and 506 45 05 01, and is compatible with Zama carburettor components C1T-EL41A and C1T EL41A.
The kit suits the following model years: Husqvarna 135 (2011–08), 140 F (2012–01), 140 (2012–01), 435 (2008–05 and 2009–02), 435 E (2008–05, 2009–02, and 2011–05), 440 E (2008–05, 2009–02, and 2011–05).
When ordering, check your specific model and year to confirm compatibility. This ensures you receive the correct part for your chainsaw.
If your throttle hose is cracked, leaking, or worn, replacement restores proper fuel flow and throttle response. Verify the part number on your current hose against the compatibility information above before purchasing.















