Parts list: № Number Qty Name Options 1 AR38397 1 MUFFLER EXTENSION 2 19H3552 1 Cap Screw 5/16" X 1-1/2" 3 AR38398 1 CLAMP 4 12H303 1 Lock Washer 5/16" 5 14H785 1 Nut 5/16" 6 [] 1 (SUB AR38398) Next page: 15-2A MUFFLER AND MUFFLER EXTENSION (SPARK ARRESTING) [01C06] 15-3 MANIFOLD (GASOLINE) [01C07] 15-3 MANIFOLD (DIESEL) [01C07] 15-4 AIR INTAKE (DIESEL) [01C08] 15-5 REAR EXHAUST SYSTEM [01C09] 15-2 VERTICAL MUFFLER [01C05] 15-1B AIR CLEANER, AIR INTAKE PIPES AND HOSES (SERIAL NO. 386507- ) (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01C04] 15-1A AIR CLEANER, AIR INTAKE PIPES AND HOSES (SERIAL NO. -386506) (ENGINE SERIAL NO. 282381-621172) (MANUFACTURED 1974-1983) (ENGINE SERIAL NO. 100001- ) (MANUFACTURED 1983- ) [01C03] 15-1 AIR CLEANER RESTRICTION INDICATOR [01C02]