From inside (document excerpt):
PARTS LIST NO. DATE 530165091 Replaces r PARTS LIST Note: Illustration may differ from actual model due to design changes CHAIN SAW MODEL(s) MAC CAT 438 PAGE NO. 3/04/08 530165091 — 3/07/07 1 42 41 39 40 28 WARNING 38 37 All repairs, adjustments and maintenance not 27 26 36 35 described in the Operator’s Manual must be 34 performed by qualified service personnel.
(WT 891) (Incl. Grommet) Gasket Carb. (kit) Screw Carb. Adapter Screw Gasket Adaptor(kit) Ring Piston Retainer Piston Pin Kit Piston (Incl. 32 & 33) Kit Engine Gasket (Incl. 21, 27 & 31) Ref. 36. 37. 38. 39. 40. Part No. 530031135 530056363 530037935 530047062 530047207 Description Scrench Assy Seal & Bearing Cap Crankcase Assy Crankshaft Assy Muffler (Incl. 20 24) 530016153 Screw 530056914 Assy Cylinder Shield (includes # 16) 530069247 Kit Fuel Line (Small) 530071835 Kit Air Purge (Incl .#5) 530015780 Screw 530095646 Assy Fuel Pick up 530047442 Strap Ground 530039198 Ignition Module 530015814 Screw 530057475 Assy Wire Harness 530037793 Foam Air Filter 530016101 Nut 530057702 Assy Air Box 530035526 Grommet Carb Adjust 530054144 Seal Carb Adapter 530055698 Reflector Heat 952030150 Spark Plug (RCJ 7Y) 530016136 Clip High Tension Lead n = NEW PART NUMBER FOR THIS Not Shown –545123690 545123691 545123692 545123693 545123694 545123695 545123696 545123697 545003015 Manuals (Scan) (Euro I) (Euro II) (Euro III) (Euro IV) (Euro V) (Turkish) (Russian) Decal Warning IPL K = REFER TO THE SERVICE REFERENCE INDICATED FOR MORE INFORMATION. (LOCATED AT END OF IPL) PARTS LIST NO. DATE 530165091 Replaces r PARTS LIST Note: Illustration may differ from actual model due to design changes CHAIN SAW MODEL(s) MAC CAT 438 PAGE NO. 3/04/08 530165091