I'm in the same situation. It's hard to understand why some aftermarket source doesn't fill the gap on these parts that have been discontinued. It seems awful lame for Ryobe/Homlite/John Deere not to have a solution. Oil Pump Kit Part Number: UP06602
John Deere has been out of the mix now for close to 20 yrs.They dumped what was left of Homelite after they ran it into the toilet.The "Homelite" saws that are out there now are not even Homelites as we knew them.If you buy a "Homelite" that's made now plan on using it about 10 times,then find the nearest dumpster & toss it in.