From inside (document excerpt):
PARTS LIST NO. DATE 530165404 Replaces 3/17/06 530165404 01 WEED EATER R PARTS LIST PARAMOUNT PARTS LIST POULANR PARTS LIST Note: Illustration may differ from actual model due to design changes 4 6 7 R R CHAIN SAW MODEL(s) PP4218 PAGE NO. 7/12/06 1 27 28 TYPE 1,2 1 2 3 WARNING All repairs, adjustments and maintenance not described in the Operator’s Manual must be performed by qualified service personnel.
Clutch Washer Kit 50 49 51 52 Ref. Part No. 530057893 530057908 530057891 530016080 530071888 530069216 530069247 530095646 530023877 530071945 530057905 530071945 530057907 530016419 530047192 530016064 530015922 530059635 530057911 530015127 530071966 Description Knob-Choke Spring-Ign. Switch Lever-Ign. Switch Screw Kit-Trigger/Lockout Kit-Fuel Line (Large) Kit-Fuel Line (Small) Assy-Fuel Pick Up Fitting-Fuel line Kit-Clutch Washer Assy-Clutch Drum 3/8 ” Kit-Clutch Washer Assy-Clutch Washer-Large Clutch Assy-Fuel Cap w/ret Screw Nut- “U ” type speed Assy-Flywheel Shield-Heat Washer-Flywheel Kit-EPS Starter Pulley (Incl. 22,23,24,30) IPL Ref. Part No. 530021179 530059677 530021180 530042095 530058811 530056402 530069232 530016432 530016080 530016134 530058786 530057236 530057897 530016416 530058864 530071893 530016432 530016133 Description Screw-Shoulder Hub-EPS Spring-EPS Spring-Starter Housing-Fan Handle-Starter Kit-Rope Screw Screw Nut-Flywheel Assy-Oil Vent Assy-Oil Cap w/ret. Handguard Spring-Handguard Assy-Chassis (Incl. 5,6,7,8,9, 15,16 ,17,19,33,35,39) Kit-Chainbrake Screw Bolt-Bar Ref.