Chainsaw
Husqvarna 455 Rancher
2-Stroke
The Husqvarna 455 Rancher is a 55.5cc 2-stroke chainsaw and the flagship of Husqvarna's consumer Rancher line, targeting farmers, ranchers, and rural property owners who need production-capable cutting with 18" to 24" guide bars. The Rancher branding signals heavier construction and higher-volume use than the E-series. The 455 runs a Zama or Walbro carburetor <!-- verify: husqvarna.com/us --> with the X-Torq engine and Air Injection filtration. Common maintenance items under Rancher use are the spark plug, air filter, fuel filter, primer bulb, and bar oiler.
Spark Plug
OEM537254402(0.5mm gap)
| Brand | Part # | |
|---|---|---|
| NGK | BPMR7A | Buy on Amazon → |
| Champion | RCJ7Y | Buy on Amazon → |
Air Filter
OEM531009748Same filter as 435/440/450 series
| Brand | Part # | |
|---|---|---|
| Stens | 605-414 | Buy on Amazon → |
Fuel Filter
OEM503446501
| Brand | Part # | |
|---|---|---|
| Stens | 610-035 | Buy on Amazon → |
Carburetor
OEM544938301Walbro WTA-33; larger displacement than 435/440/450
| Brand | Part # | |
|---|---|---|
| Walbro | WTA-33 | Buy on Amazon → |
Primer Bulb
OEM503936601
| Brand | Part # | |
|---|---|---|
| Zama | BG-00-4 | Buy on Amazon → |
Fuel Line Kit
OEM591375201Includes fuel pickup line and return line
| Brand | Part # | |
|---|---|---|
| Stens | 115-627 | Buy on Amazon → |
Chain
OEM(20", 3/8" pitch, .050" gauge, 72 drive links)Stock bar length; verify drive link count matches your bar
| Brand | Part # | |
|---|---|---|
| Oregon | 72LPX072G | Buy on Amazon → |
Guide Bar
OEM(20", 3/8" pitch, .050" gauge)
| Brand | Part # | |
|---|---|---|
| Oregon | 200RNDK095 | Buy on Amazon → |