From inside (document excerpt):
PARTS LIST NO. DATE 530165044 Replaces 530165044 – 08/27/04 – r PARTS LIST Note: Illustration may differ from actual model due to design changes CHAIN SAW MODEL(s) Titanium 420 PAGE NO. 12/10/04 1 42 41 39 40 28 WARNING All repairs, adjustments and maintenance not 27 26 38 37 described in the Operator’s Manual must be 36 35 performed by qualified service personnel
Part No. 530059667 530047608 530059668 530015158 530016018 530015843 530047583 530015940 530015814 530044897 538248288 530014381 530016439 530016132 530038238 530015814 530029850 530016133 530057236 530071666 530016134 530016080 530037817 530055723 530015892 530059852 530069232 Description Assy.-Isolator Limiter Strap Spring-Isolator Washer Screw Screw Front Handle Screw Screw Bar – 16 ” Chain – 16 ” Kit-Spike (Incl. 13) Screw Screw Plate-Bar Mount. Screw Chain Catcher Bolt-Bar Assy-Oil Cap w/ret. Kit-Oil Vent Nut-Flywheel Screw Starter Pulley Baffle-Air Screw Housing-Fan Kit – Rope – Ref. Part No. Description Handle-Starter Spring-Recoil Screw Washer-Flywheel Assy-Flywheel Assy-Fuel Cap w/ret. Fitting-fuel line Kit-Fuel line (large) Spring-Switch Screw Cover-Rear Handle Screw Screw Throttle Lockout Trigger-Throttle Handle – Rear Screw Assy Isolator-lower Kit-Isolator (Upper) Screw Spring-Isolator Lever-Switch Lever-Choke Grommet-Knob Nut- “U “-Type Ref.