Plano Power Equipment parts reference page.

Engine Model Series	402700	404400	404700	42A700	405700	406700	420700	422400	422700	460700
Cartridge Filter	394019	394018	394019	394019	691007	691007 499596	394019	394018	394019	394019
Precleaner	271271	271271	271271	271271	691016	691016 499597	272490	271271	271271	272490
Diaphragm	270988 (Fuel Pump)	270988 (Fuel Pump)	270988 (Fuel Pump)	270989 (Fuel Pump)	-	-	270988 (Fuel Pump)	270988 (Fuel Pump)	270988 (Fuel Pump)	270988 (Fuel Pump)
Float Valve	394681	394681	394681 Note QQ	394683	690985	690985	394683	394681 Note 00	394681 Note 00	394683
Needle Valve	491538	292681 (Idle)	292681 (Idle) Nore RR	491538	-	-	491538	292681 (Idle) Note PP	292681 (Idle) Note PP	492538
Carb. Overhaul Kit	491539	491539	491539	491539	499811	499811	491539	491539	491539	491539
Rod Assy.	393270 (2 used) Note SS	393270 (2 used)	393270 (2 used) Note SS	492667 (2 used)	499583	499583	394306 (2 used)	394306 (2 used) Note TT	394306 (2 used) Note TT	498314 (2 used)
Air Cleaner Gasket	271411	271411	271411	271411	691001	691001	271411	271411	271411	271411
Carb. to Cylinder gasket	270884 (2 used)	270884 (2 used)	270884 (2 used)	270884 (2 used)	-	-	270884 (2 used)	270884 (2 used)	270884 (2 used)	270884 (2 used)
Head Gasket	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2	690962	690962	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2	271867 Cyl. 1 271868 Cyl. 2
Sump Gasket	.015 271703 .005 271188 .009 271189	.015 272061 .005 271145 .009 272128	.015 271703 .005 271188 .009 271189	.015 271703 .005 271188 .009 271189	690945	690945	.015 273208 .005 271188 .009 271189	.015 272061 .005 271145 .009 272128	.015 271703 .005 271188 .009 271189	.015 273208 .005 271188 .009 271189
Gasket Set	394501 Note WW	394501 Note WW	394501 Note WW	494868	499889	499889	495868	394501 Note WW	394501 Note WW	495868
Valve Cover Gasket	27803 (2 used)	27803 (2 used)	27803 (2 used)	27803 (2 used)	690971	690971	27803 (2 used)	27803 (2 used)	27803 (2 used)	27803 (2 used)
Armature	394891	394891	394891	394891	691060	691060	394891	392329 Note D 394891 Note E	392329 Note D 394891 Note E	394981
Points	-	-	-	-	-	-	-	393403	393403	-
Condenser	-	-	-	-	-	-	-	392912	392912	-
Flywheel Key	222698	222698	222698	222698	690974	690974	222698	222698	222698	22698
Muffler Assy.	399635 (2 used) 491319	491307	491319	-	692120	692120	491319	392989 399635 (2 used) 491307	399635 (2 used) 491319	491319
Oil Seals Mag/PTO	391086/291675	391086/291675	391086/291675	391086/291675	690926/690947	690926/690947	391086/291675	391086/291675	391086/291675	391086/291675
Ring Set	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962	STD 499604 .010 499605 .020 499606 .030 499607	STD 499604 .010 499605 .020 499606 .030 499607	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962	STD 394959 .010 391960 .020 391961 .030 391962
Piston Assy	STD 394955 .010 394956 .020 394957 .030 394958	STD 394955 .010 394956 .020 394957 .030 394958	STD 394955 .010 394956 .020 394957 .030 394958	STD 394955 .010 394956 .020 394957 .030 394958	STD 499588 .010 488589 .020 488590 .030 488591	STD 499588 .010 488589 .020 488590 .030 488591	STD 498584 .010 498585 .020 498586 .030 498587	STD 394955 .010 394956 .020 394957 .030 394958	STD 394955 .010 394956 .020 394957 .030 394958	STD 498584 .010 498585 .020 498586 .030 498587
Clutch	-	-		-	-		-	393127		-
Grip	-	-		-	-		-	66728 490652
Starter Pulley	-	-		-	-		-	392630 Note U
Starter Spring	-	-		-	-		-	490179
Exhaust Valve	390420 (2 used)	390420 (2 used)	390419 (2 used)	390420 (2 used)	499596 (2 used)	499596 (2 used)	390420 (2 used)	390420 (2 used)	390420 (2 used)	390420 (2 used)
Intake Valve	262247	261528 (2 used)	261528 (2 used)	261528 (2 used)	499597 (2 used)	499597 (2 used)	261528 (2 used)	261528 (2 used)	261528 (2 used)	261528 (2 used)