It is a genuine item is supplied by the original manufacturer for use with Poulan, Jonsered and Husqvarna chainsaws. This plunger and gear assembly functions as an oil pump that helps to lubricate the chain. Unfortunately, over time components may wear out or get damaged eventually seizing operation and requiring a replacement. This high-quality assembly consists of a durable plastic housing and a metal plunger with a gear. Refer to the owners manual and the diagrams of your model for the correct application of this assembly. You will need a screwdriver and a wrench set to perform this repair.
Removed chain and bar . Cleaned the bar channels and bar oiler ports. Removed side cover to access the clutch mechanism. Removed spark plug fed a pull cord sized rope into spark plug hole. Removed clutch mechanism reversed thread .
Removed washer and 2 screws on oil pump and removed. Replaced pump and reassembled.
Remove the bar and chain. Unscrew the clutch assembly to expose the oiler mechanism. Unscrew the gear and plunger unit and remove. Replace with the new one.
1. Removed housing
2. Used clutch tool to remove clutch
3. Replaced oil pump, 2 screws simple
4. Replaced housing, new chain break worn out, part of housing
5. Started up , everything fine
Removed clutch.
Removed oil pump
Installed new drive gear, one-piece oil pickup pipe, and new oil pump.
Reassembled and tested. OK.
FYI. The old pickup pipe was two pieces which I ordered one of each. They both superseded to the single piece pickup pipe. The order did not reflect this and now I have an ex
... Read moretra. Anyone need a new-style single piece pickup pipe?
1. Removed chain, blade and spark plug.
2. Placed end of 8GÇ¥ electrical cord into plug hole to stop piston.
3. Used 16 oz hammer and large punch to drive clutch assembly clock wise until loose and spun off with fingers.
4. Remove clutch drum and large flat watcher to expose the chain oiler pump.
5. Used # 2 Philip
... Read mores head screwdriver to remove the 2 screws holding the oil pump on and remove the old oil pump.
6. Clean up the oil pump area and install the new pump.
7. Re-Install all parts in reverse order.
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Oil pump housing was worn thru from sprocket rubbing on it
Remove bar n chain - remove clutch and sprocket - used spanner wrench to loosen clutch after feeding rope into cylinder to lock piston movement - remove two screws and rubber gasket holding pump assy - reinstalled in reverse manner - make sure there is a washer between sprocket and oil pump - that\'s how mine got worn. I got the saw for f
... Read moreree and wasn\'t aware of the washer missing
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Model Cross Reference
This part works with the following models:
ERP Number: ERP9030468
Manufacturer Part Number: 545036801
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
_WW_8.gif "Part Location Diagram of 545036801 Husqvarna Plunger & Gear Assembly.")
_WW_8.gif "Part Location Diagram of 545036801 Husqvarna Plunger & Gear Assembly.")
