Husqvarna 445 oiler replacement

Replacing oiler on a Husqvarna 445. This chainsaw had started on fire. The clutch spring was warn, so the clutch was constantly engaged. Customer wanted to let it idle so it would run out of gas for storage. He engaged the chain brake so the chain would not turn as it idled. The clutch overheated and caught fire. The oiler is the last step of this repair which included a new cover/chain brake, new clutch and new drum. The replacement part number for this oiler is 503932101 or 537154801.