AYP 3421H-74B Parts List

3421H-74B (1997) Page 1 of 27
CHASSIS AND ENCLOSURES

3421H-74B (1997) Page 2 of 27
CHASSIS AND ENCLOSURES

Ref # Part Number Qty Description

1 159530 CHASSIS ASM
2 140356 SUB= 145009
3 17490612 SCREW
6 155923 SADDLE
8 126471X "CLIP,INSULATOR"

9 140398 DASHBOARD BLACK
10 72140608 SUB= 72110608
11 145218 PANEL.DASH.LH.
13 145219 PANEL.DASH.RH.
15 74180512 SCREW
16 73510500 NUT
17 150301X424 HOOD.PNT.
24 74780616 BOLT
25 19131312 WASHER
26 73800600 NUT
27 17030814 SUB= 91817030814
28 150196 GRILLE ASM PNT
29 146459 LENS.BAR.CLEAR
30 147310X424 FENDER PNT
31 139976 BRACKET SUPT FEND
33 145244X424 FOOTREST.LH.LT/GT
34 145243X424 FOOTREST.RH.LT/GT
35 72110606 BOLT
36 108067X PAL NUT LT
38 139886 BRACKET ASM LH
39 139887 BRACKET ASM RH
40 139977 SPACER FENDER LT
43 17490616 SCREW GTV
45 147717 BEZEL.ASM.
50 145205 DASH.SUPT.YP/HUSQ
59 110436X SUB= 9151R
56 150271 EXT DASH LTYT
64 150272 DASH.LOWER.LT
66 156286X010 "PLATE DASH,SLKSCR"
67 19111116 WASHER
71 73680400 SUB= 73690400
72 144916X424 STRAP.GRILLE.424
73 17580408 SCREW CRT
77 74191008 SCREW
79 2029J WELDNUT
80 109808X HOOD LATCH T
82 74981020 SCREW
83 7206J SPACER LT
85 73731000 NUT
86 150432X424 PANEL.SIDE.RH
87 150431X424 PANEL.SIDE.LH
90 19091216 WASHER PM
91 73220400 SUB= 50675
92 10040400 LOCKWASHER

135 74291006 SCREW.10-24X3/8.
136 60867 ACORN NUT RB
137 110356X SNAP CAP LT
138 110357X WASHER LT
139 150195 BKT.SPT.HOOD/PANL
140 158418 BRKT SUSPENSION
145 156524 "ROD POVOT,CHASSIS"
147 74760412 BOLT LT

CONFLICT W/PART #

3421H-74B (1997) Page 3 of 27
CHASSIS AND ENCLOSURES

Ref # Part Number Qty Description

8022J PLUG-DASH T

3421H-74B (1997) Page 4 of 27
DECALS

3421H-74B (1997) Page 5 of 27
DECALS

Ref # Part Number Qty Description

1 135013 NLA

2 135341 GRILL DECAL

3 159368 "DECAL.HOOD,LH"

4 159367 "DECAL HOOD,RH"

5 135062 NAMEPLATE LOGO

6 140837 DECAL BRAK PARK

7 157002 "DECAL DANGER,FEND"

8 4900J DECAL T

9 159373 DECAL-CHASSIS
10 136832 DECAL
11 135619 NLA
12 156835 "DECAL-INST,OPER"
13 106202X REFLECTOR-TAIL YT
14 145005 DECAL.BATRY.3-3908
15 273286 DECAL, HP ENGINE

133671 FOOTREST PAD
138311 DECAL HANDLE LIFT
142341 DECAL DRAWBAR LH
158124 MANUAL.GENERIC.42
160491 MANUAL.P.3421H74B
LC05 WHEEL WTS.
LBD48 SNOW BLADE
LSB42 SNOW THROWER
C42 GRASS CATCHER
CH208 TIRE CHAINS
MK42 MULCH KIT W/BLADES

3421H-74B (1997) Page 6 of 27
DRIVE

3421H-74B (1997) Page 7 of 27
DRIVE

Ref # Part Number Qty Description

1 205-026B TRANSAXLE, PEERLESS

2 146682 SPRING.BRAKE.RETU

5 121520X STRAP TORQUE

6 17490512 SCREW

8 141003 ROD SHIFT FEND LT

9 137140 SUB= 142600
10 76020416 PIN COTTER 1/8
13 74550412 BOLT.1/4-28.W/PAT
15 74490544 BOLT.HX.FLG.5/16
17 126197X WASHER
18 74780616 BOLT
19 73800600 NUT
20 150280 BOLT.7/16-20X4.25
21 106933X KNOB T (1/2-HOLE)
22 130804 BRAKE ROD
23 137141 BRACKET.ASM.MTG
24 73350600 NUT
25 106888X SPRING ROD LT
26 19131316 WASHER
27 76020412 COTTER PIN
28 145204 ROD.BRAKE.PARK.LT
29 71673 PLUNGER CAP T
30 130807 TRANSAXLE MTG BKT
32 74760512 BOLT
33 72140506 BOLT
34 155071 SHAFT ASM-PEDAL F
35 120183X NYLON BEARING
36 19211616 WASHER LT
37 1572H SUB= 2882J
38 123674X PULLEY.IDLER.FLAT
39 74760644 BOLT
40 4470J SPACER T
41 154777 SUB= 165692
42 19131312 WASHER
43 19111012 WASHER T
47 127783 SUB= 139245
48 154604 BELLCRANK ASM
49 123205X RETAIN BELT
50 74760624 SUB= 74930624
51 73680600 SUB= 73690600
52 73680500 SUB= 73690500
53 105710X "LINK, CLUTCH T"
55 105709X "SPRING, RETURN LT"
56 74760620 SUB= 74780620
57 156971 "V-BELT,GRD DRIVE"
59 140312 KEEPER BELT CNTSP
61 17490612 SCREW
62 8883R PEDAL COVER T
63 140189 PULLEY CLU ELEC
65 10040700 LOCKWASHER
66 154778 KEEPER-BELT
69 142432 SCREW HEXWSH H-L
74 156972 "SPACER AXLE,PVST"
75 121749X WASHER
76 12000001 E-RING LT
77 123583X SQUARE KEY
78 121748X WASHER
81 156969 SHAFT ASM CROSS

3421H-74B (1997) Page 8 of 27
DRIVE

Ref # Part Number Qty Description

82 123782X "SPRING,TORSION"
83 19171216 WASHER
84 156962 "ROD TIE, PVST 20"""
86 71208 BUSHING
87 19212016 WASHER D
88 12000008 KLIP RING
89 151147 SUB= 164893
95 156970 ROAD ASM BYPASS
96 4497H RETAINER M

100 19111216 WASHER M
113 127285X "STRAP,TORQUE"
118 154774 SPACER-BELLCRANK
121 154419 NYLINER-CLUTCHING
122 156963 "PLATE-BYPASS,PVST"
123 19081016 WASHER
124 156967 SPRING RETURN
125 74780516 SUB= 77394
126 1685H SUB= 68478

3421H-74B (1997) Page 9 of 27
ELECTRICAL

3421H-74B (1997) Page 10 of 27
ELECTRICAL

Ref # Part Number Qty Description

1 144925 SUB= 123899X

2 74760412 BOLT LT

3 19091016 WASHER

4 10040400 LOCKWASHER

6 73220400 SUB= 50675

7 7697J "DRAIN TU T, BATT"

8 7603J "TRAY T, BATTERY"

9 109596X HOSE CLAMP T
10 145211 SUB= 150177
11 150109 HOLDDOWN BATTERY
12 145769 SUB= 150177
16 153664 SWITCH INTERLOCK
19 10090400 SUB= 10040400
20 73350400 NUT
21 136850 "HARNESS,LIGHT SOC"
22 4152J HEADLAMP BULB
24 146148 CABLE.6GA.22W/16W
25 4799J "CABLE T, BATTERY"
26 108824X FUSE HYT
28 145491 CABLE.GRND.6GA.21
29 121305X SWITCH SEAT
30 140301 SWITCH IGN 4POS
31 124211X NUT IGNITION
32 141226 COVER KEY SWITCH
33 122147X KEY
40 156153 HARNESS IGNITION
41 71110408 BOLT HXHD FIN
42 131563 SUB= 154336
43 145673 SUB= 146154
44 73640400 NUT HXKEP 1/4X20
45 122822X AMMETER
50 154959 PTO SWITCH.BLK
51 140405 RING RETAIN PTO
52 141940 PROTECTION LOOP
55 17490508 SCREW LT
70 143906 HARNESS ENG B&S

3421H-74B (1997) Page 11 of 27
ENGINE

3421H-74B (1997) Page 12 of 27
ENGINE

Ref # Part Number Qty Description

1 132748 SUB= 532132748

2 17720410 SCREW LT

3 42A777 ENGINE

4 149723 MUFFLER.TW.LOTONE

5 144069 EXHAUST.B&S.18.LH

6 144068 EXHAUST.B&S.18.RH

7 138129 CLAMP.TUBE.DBL.EN

8 150176 BOLT.5/16-18.UNC
10 145552 SHIELD.HEAT.
11 REFER TO IMAGE
12 REFER TO IMAGE
13 REFER TO IMAGE
14 13280336 PIPE NIPPLE LT
15 13200300 ELBOW
16 11050600 LOCKWASHER
17 17490624 SCREW LT
23 156123 SHIELD-HEAT
25 138672 "CONTROL.CHOKE.51"""
26 73920600 "NUT,KEPS 3/8-24IM"
27 152927 "SCREW-TT,10-32 FL"
29 137180 SUB= 532137180
31 141291 TANK FUEL 1.9 NAT
32 140527 CAP ASM FUEL
33 123487X HOSE CLAMP
35 17490512 SCREW
37 7833R HOSE T
38 REFER TO IMAGE
39 126564X "STRIP,FORM"
42 140020 STRAP TANK FUEL
43 140019 STRAP TANK FRONT
44 17490612 SCREW
81 128861 NUT

3421H-74B (1997) Page 13 of 27
MOWER DECK

3421H-74B (1997) Page 14 of 27
MOWER DECK

Ref # Part Number Qty Description

1 144393 DECK.WELD.42.

2 72140506 BOLT

3 138017 BRKT ASM SWAY BAR

4 138440 BRKT DECK SW BAR

5 4939M SUB= 85902

6 130832 SUB= 130833

8 850857 BLADE BOLT

9 10030600 SUB= 10040600
10 140296 WASHER.HARD.BLADE
11 138498 "BLADE.42"" HIPERF"
12 129895 BEARING.BALL
13 137645 SUB= 137646
14 128774 HSG ASM MANDREL
15 110485X BEARING
16 140329 STRIPPER RND MWR
17 72110618 BOLT CARRIAGE
18 72140505 BOLT
19 132827 BOLT SHD 5/16-18
20 136888 SUB= 918136888
21 73680500 SUB= 73690500
22 134753 STIFFENER BRKT
23 131267 DEFLECTOR BRKT
24 105304X CAP-SLEEVE LT
25 123713X SPRING TORSION
26 110452X NUT PUSH M
27 130968 DEFLECTOR.SHIELD
28 19111016 WASHER
29 131491 HINGE ROD
30 138776 SUB= 157722
31 129963 WASHER
32 153535 PULLEY.MANDREL.42
33 137266 SUB= 139729
34 72110622 BOLT
35 133835 XMAS TREE FASTNER
36 131494 FLAT IDLER PULLEY
37 19131316 WASHER
38 132823 SUB= 532132823
40 73680600 SUB= 73690600
44 140088 GUARD MAND LH BLK
46 137729 SCREW.1/4-20X5/8
54 133943 HARDENED WASHER
55 140084 SUB= 151785
56 122052X SPACER RETAINER
59 141043 GUARD IDLER TUV
61 131950 SPRING.EXTENSION
68 144200 BELT.V.T-PATH
83 120958X WASHER
84 156084 "KEEPER-BELT,FIXED"
85 72140618 BOLT RDHD 3/8-16
90 74760616 BOLT
91 132274 SUB= 532132274
92 73800600 NUT
93 19171416 WASHER
94 132264 SUB= 532132264
95 132273 SUB= 532132273

111 155197 BRACKET.GWHL.LH.
112 155198 BRACKET.GWHL.RH.
113 17490512 SCREW

3421H-74B (1997) Page 15 of 27
MOWER DECK

Ref # Part Number Qty Description

114 73510500 NUT
115 72110504 SUB= 872110504
116 4898H BOLT M
117 105455X WHEEL.GAGE.BLK.PL
118 73930600 LOCKNUT
119 19121414 WASHER
120 19171512 WASHER
121 143723 BRACKET.EXTRD.GWL
125 REFER TO IMAGE
128 153390 WASHER.FELT.
132 19132203 WASHER GT

130794 MANDREL ASM
145024 SUB=164964

3421H-74B (1997) Page 16 of 27
MOWER LIFT

3421H-74B (1997) Page 17 of 27
MOWER LIFT

Ref # Part Number Qty Description

1 159461 WIRE.ASM.INNER.SP

2 159476 "SHAFT AMS LIFT,RH"

3 138284 PIN GROOVE

4 12000002 SUB= 2225J

5 19211621 WASHER

6 120183X NYLON BEARING

7 109413X GRIP

8 124526X SUB= 125925X
11 139865 SUB= 918139865
12 139866 SUB= 151140
13 4939M SUB= 85902
15 127218 LINK.FRONT
16 73350800 NUT
17 130171 TRUNION
18 73800800 NUT.LK.W/WSH.1/2.
19 139868 ARM SUSP REAR
20 3146R RETAINER.SPRING
23 110807X NUT T
24 19131016 WASHER
25 137150 SPRING.COMP.INF.H
26 76020308 SUB= 3145
27 137167 ROD.ADJ.LIFT
28 73350600 NUT
29 138057 KNOB INF 3/8-16
30 150233 TRUNNION
31 140302 BEARING PVT LH
32 73540600 NUT.CROWNLOCK.3/8
49 145212 NUT.HXFLG.LOCK.
50 110452X NUT PUSH M

3421H-74B (1997) Page 18 of 27
PEERLESS TRANSAXLE

3421H-74B (1997) Page 19 of 27
PEERLESS TRANSAXLE

Ref # Part Number Qty Description

36 790075 BRAKE DISC
37 790007 PLATE BRAKE PAD
38 799021 BRAKE PAD
39 786026 PIN DOWEL
40 792076A WASHER
41 790085 BRAKE LEVER
42 792073 SCREW, 1/4-20 X 1-1/4

42A 792085A SCREW, 1/4-20 X 2-1/4

43 792075 LOCKNUT 5/16-24
44 790025 HOLDER BRAKE PAD
45 786066 SPACER
46 790086 BRAKE LEVER BRACKET
71 788069 SEAL SQUARE CUT

71A 792162 PUSHNUT

79 792144 SPRING
87 788035 OIL SEAL

180 730229A GEAR OIL 80W90
189 792168 DRIVE SCREW

189A 792169 SCREW

190 792150 LOCKWASHER
191 792151 NUT

208B 798025 FAN/COUPLING

209 798024 CONTROL LEVER

3421H-74B (1997) Page 20 of 27
SCHEMATIC

3421H-74B (1997) Page 21 of 27
SCHEMATIC

Ref # Part Number Qty Description

REFER TO IMAGE

3421H-74B (1997) Page 22 of 27
SEAT ASSEMBLY

3421H-74B (1997) Page 23 of 27
SEAT ASSEMBLY

Ref # Part Number Qty Description

1 127429X SUB= 140121

2 140551 BRACKET PVT SEAT

3 74760616 BOLT

4 19131610 WASHER PM

5 145006 CLIP.PUSH-IN.HING

6 73800600 NUT

7 124181X SPRING COMPRESSIO

8 17490616 SCREW GTV

9 19131614 WASHER
10 155925 PAN-SEAT
11 120068X "KNOB 1/2"" YT"
12 121246X BRKT SWITCH
13 121248X BUSHING
14 72050411 SUB= 872050411
15 121249X SPACER SPLIT
16 123740X SPRING COMPRESSED
17 123976X SUB= 73900400
21 153236 "BOLT,SHOULDER"
22 73680500 SUB= 73690500
24 19171912 WASHER
25 127018X "BOLT,SHOULDER"

3421H-74B (1997) Page 24 of 27
STEERING ASSEMBLY

3421H-74B (1997) Page 25 of 27
STEERING ASSEMBLY

Ref # Part Number Qty Description

1 121472X SUB= 150546

2 154427 AXLE ASM

3 156483 SPINDLE.ASM.LH

4 REFER TO IMAGE

5 6266H WASHER .T

6 121748X WASHER

7 19272016 WASHER

8 12000029 RING

9 3366R COL. SRTG. BEAR.
10 156438 DRAGLINK-STAMPED
11 10040600 LOCKWASHER
12 73940800 SUB= 73360800
13 154779 BEARING AXLE
15 73901000 "NUT-LOC,FLANGE LT"
17 156543 SHAFT ASM STEERNG
18 57079 THRUST WASHER
19 124035X SUPPORT.SHAFT
20 126684X SUB= 532126684
22 71200410 SCREW HEX SOC1/4­23 127501 SUB= 918127501
25 154406 BRKT-STEERING
27 136874 GEAR SECTOR
29 17490612 SCREW
32 139929 ROD.TIE.19.75
33 19111216 WASHER M
34 10040500 LOCKWASHER
35 73810500 NUT.LOCK.5/16-24
36 154207 BRKT-FOOTREST
37 152927 "SCREW-TT,10-32 FL"
38 126805X "INSERT,STR WHEEL"
39 100712K WASHER
40 7810H GRIPCO NUT
41 100711L ADAPTER LT
43 121749X WASHER
46 121232X CAP
47 6855M ZERK M
51 73800500 NUT
53 73680600 SUB= 73690600
54 74780520 BOLT
62 156595 KIT STEERING ASM
65 154780 SPACER AXLE
66 154404 "BEARING-ARM,PITMA"
67 74781044 BOLT
68 154429 BRACE AXLE
69 160367 "SPACER BRCAE,AXLE"
70 74780636 BOLT.HEX.3/8-16X2

3421H-74B (1997) Page 26 of 27
WHEELS/TIRES

3421H-74B (1997) Page 27 of 27
WHEELS/TIRES

Ref # Part Number Qty Description

1 59192 VALVE CAP

2 65139 VALVE STEM LT

3 278H FITTING LT

4 106222X SUB= 122073X

4A 138468 TIRE.20X8-8

5 59904 TUBE.5.3/4.5/6

5A 7152J TUBE.18X9.5-8

6 106732X417 "RIM,FRT T"

6A 106108X417 "RIM 8"""

7 104757X HUB CAP

8 9040H "FLANGE, BEARING"

144334 SEALANT.TIRE 10 OZ. TUBE