Thank you for purchasing a Cub Cadet Lawn Tractor. It was
carefully engineered to provide excellent performance when
properly operated and maintained.
All information in this manual is relative to the most recent
product information available at the time of printing. Please be
aware that this Illustrated Part’s Manual may cover a range of
product specifications for various models.
Components listed and/or illustrated in this manual may not be
applicable to all models. We reserve the right to change product
specifications, designs and equipment without notice and
without incurring obligation.
Throughout this manual, all references to right (RH) and left (LH)
are observed from the operating position.
Engine Model 4P90JUA ......................................... 20
Engine Model 4P90JUB ......................................... 34
Record Product Information
To ease in ordering replacement parts, please locate the model
plate on the equipment and record the information in the
provided area to the right. You can locate the model plate by
looking beneath the seat.
Model NuMber
Serial NuMber
Painted Parts
When ordering painted service parts, a four digit color suffix must be added to the part number (e.g. 783-XXXXX-0637).
Please refer to the table below for current color codes:
0637Black
4021Yellow (Cub Cadet)
0499Beige (Cub Cadet)
0685Blue (Cub Cadet)
0691Black Jack (Cub Cadet Commercial)
2
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Frame & Fender
19
18
15
25
18
14
23
20
16
24
4
21
1
8
10
14
22
9
17
17
8
12
8
11
5
28
8
7
13
3
4
27
29
2
6
9
4
26
8
Frame & Fender
Ref.
No.
1710-05073Screw, 1/4-20 x .500
2710 -0 4187AScrew, 1/4-15 x 0.50
3731- 08753ARunning Board Plug
4738-04184AShoulder Screw, .368 X.113: 1/4-20
568 3 - 05015Frame Assembly
6683- 05019Column Assembly
7710 -06194Hex Washer Screw, 5/16-18 x .75
8710 -1652Tap Screw, 1/4-20, .625
9912-0 42 9Hex Locknut, 5/16-18
10783 - 07168Seat Pivot Bracket
11783-08197Seat Pan
12783-08260Deck Lift Index Bracket
13931- 05041Column Cover
14710 - 0448 4Tap Screw, 5/16-18, .750
15710 - 0924Machine Screw, 1/4-20, 0.750
16710 -1241Hex Screw, 1/4-15, 1.000
17710-30 08Hex Head Screw, 5/16-18, .75
18728-0199Rivet, .3125
19731- 0912 9ARear Cover
20731-09185Top Rear Drive Cover
21931-10151Fender
22735-05006Bumper, .62 Dia. x .50
23749-04932Rear Cover Support Tube
24783-07208Hitch Plate
25731- 0939 9Steering Column Cap
26683- 04767Bumper Assembly
27731-08884ATrim Running Board, LH
28731-08885ATrim Running Board, RH
29931- 09591Running Board
Part No.Description
5
Drive System
13
26
22
14
37
30
9
34
29
32
3
21
23
8
45
20
24
12
16
7
35
39
31
33
15
40
42
19
28
2
34
38
44
6
43
41
25
36
5
17
18
1
10
48
4
50
49
6
47
46
11
11
27
Drive System
Ref.
No.
1918-05056ATransmission Assembly
2647-04262CShift Handle Assembly
3683-04768ADrive Assembly Idler
4710-05339Screw, 5/16-24 x .750
5710-044 84Tap Screw, 5/16-18, .750
6710-0599Tap Scew, 1/4-20, 0.500
7710-06016Screw, 3/8-16 x 1.375
8710-0623Tap Screw, 3/8-16, 0.750
9710-1026Screw, 1/4-20 x 1.750
10710 -1266Hex Cap Screw, 5/16-18 x 3.5, Gr5
11710 -1652Tap Screw, 1/4-20 x .625
12710 -0560Screw, Carriage: 3/8-16 x 1.75”
13711- 06141Adjustable Ferrule, 1/4-20 X 1.00
14712- 04063Flange Locknut, 5/16-18
15712- 04 0 65Flange Lock Nut, 3/8-16
16712- 070 0Flange Nut, 9/16-18
17914-0209Internal Cotter Pin, .125 Dia.
18714-04040Bow-Tie Cotter Pin
19718 - 04407Pulley Hub, 5/8 Spline
20720-04028Shift Knob
21732-0459CExtension Spring, .94 Dia. X 6.74 Lg.
22732-04934Extension Spring, .97 OD X 6.18
23738-0372BShoulder Spacer, 1.00 X .38 X .38
24738 - 05016Shoulder Screw, .368 x .75, 1/4-20
25738-05019Shoulder Screw, .560 x .165, 5/16-18
Part No.Description
Ref.
No.
26747-05593Shift Rod
27747- 06126Deck Belt Keeper, 30"
28948-0334Spacer
29750-04456Spacer, .260 X .372 X 1.420
30750-05563Spacer, .385 x .625 x .500
31954-05040V-Belt, 5L:35.25
32954 -04331V-Belt, 5L:35.28
33756 - 04224Flat Idler Pulley, 2.75 OD
34756-04325V-Type Idler Pulley, 3.06
35756 - 04464V-Type Pulley, 6.56
36783- 07248Rear Idler Arm Bracket
37783-08131Transaxle Mounting Bracket
38956 - 04015AVariable Speed Pulley Assembly
39710 - 0627Hex Head Lock Screw, 5/16-24:.750
40710- 0778Tap Screw, 1/4-20:1.500
41718 -04261Bearing Cup
42736-0362Flat Washer, .330x1.250x.060
43941- 0600Ball Bearing, 17 X 40 X 12
44783- 08210Variable Bracket
45634 -0139Complete Wheel Assembly
46734-04641Tire, 16 x 6.5 x 8 Sq. Shldr.
476 3 4 -0 4174Rim Assembly, 8.0 x 5.38
48934- 0255Air Valve
49731-2290AHub Cap
50736-0430Flat Washer, .35 x 1.59 x .062
Part No.Description
7
Seat, Fuel Tank & Electrical
8
7
21
24
23
29
26
16
15
28
27
6
5
14
34
33
31
18
20
11
10
12
31
19
32
32
30
2
3
4
1
25
22
8
17
13
17
13
9
17
13
17
13
Seat, Fuel Tank & Electrical
Ref.
No.
1710- 0607Tap Screw, 5/16-18, 0.500
2720- 04009AKnob, 3/8-16, .875
3712- 04 0 63Flange Lock Nut, 5/16-18
4732-04905Seat Spring
5938 -0140Shldr Spacer, .435 X .178-5/16 X .56
6935 - 0199ARubber Bumper, .63 Dia
7757- 05019Seat
8783-07213ASeat Pivot Bracket
9710- 0227Screw, #8
10710 -044 84Tap Screw, 5/16-18, .750
11710-1652Tap Screw, 1/4-20, .625
12925 -0 6119Key Switch
13725-04363Interlock Switch
14925- 05013Seat Switch
1572 5 -16 43Switch Spring
16926- 0320Insulator Plate
17738-0 42 37AShoulder Screw, #10-32, .500
18747- 06131ABattery Rod
19747- 06148Battery Hold Down Bracket
20625-05000Key, A ssembly
21683-04754PTO Handle Assembly
22710- 04683ATap Screw, 3/8-16, 1.000
23720-04049AHandle Grip, 3/8
24750 -0526Spacer, .380 ID x .50 OD x .265
25951-04366BFuel Tank, 1-3 Gal.
26751-12089 -28Hose Vent, 3/16 EPA
27735 -04081Rubber Grommet
28751-12 118Rollover Valve
29951-12179 BFuel Cap
30925-1707DBattery, 155 CCA
317 38 -1132Screw, Shoulder, .250 x .150
32712-0271Nut, Sems, 1/4-20
33712- 0 4064Flange Lock Nut, 1/4-20
34725-04439Solienoid, 12v
—925-0 6042Wiring Harness (Not Shown)
Part No.Description
9
Front End Steering
28
18
7
27
3
17
15
4
10
6
16
30
19
5
14
21
21
14
21
21
12
1
5
9
29
26
25
12
20
13
8
11
23
24
10
12
8
22
12
2
29
9
30
10
Front End Steering
Ref.
No.
1683- 04726Front Axle Assembly, RH
2683- 04727Front Axle Assembly, LH
3683 - 0 4761Upper Tube Assembly
4683-04762Lower Tube Assembly
5714 -0162Cotter Pin, 5/32 x 1.25
6738-05000Shoulder Screw, .375 x .148 x 1/4-20
7710 - 0643Hex Head Screw, 5/16-18:1.00
8710 - 0703Carriage Screw, 1/4-20, .75
9731-2290AHub Cap
10712 - 0406 4Flange Lock Nut, 1/4-20
11712 - 04063Flange Lock Nut, 5/16-18
12714-04040Bow-Tie Cotter Pin, 72
13717-1554Steering Pinion Gear
14726 -0341Push Cap, 3/4
157 26 - 04127Snap Butt
16731-08690Lower Steering Collar
17731- 08691Upper Steering Collar
18736-0242Bevel Washer, .340X.872X.060
197 38- 0 4537ASteering Shaft, .625 OD X 18.03
20741- 04542AHex Flange Bearing, 5/8
21741- 0660AFlange Bearing, .760 X .941 X 1.0
22747-05514Steering Rod, LH
23747-05585Steering Rod, RH
24747- 06027Front Tie Rod
25783-06988ASteering Rack Plate
26783-07239ALower Steering Bearing
27631- 040 08ASteering Wheel, Soft Grip
28731-04039No Sprig Cap
29634-04726-0931Complete Wheel Assembly
30736- 04228AWasher, .781 x 1.59
Part No.Description
11
Pedal Controls
14
23
18
13
16
17
11
2
5
8
8
9
1
6
10
7
12
15
22
20
3
19
4
4
8
21
21
Ref.
No.
168 3 - 05017Brake Pedal Assembly
2910- 0224Screw, #10-16:0.500
3710- 0376Hex Head Scerw, 5/16-18:1.00
4710- 044 84Tap Screw, 5/16-18:.750
5936-0264Flat Washer, .330 x .630 x .064
6711- 0610 3Ferrule 3/8-24 X .375 Dia.
7712- 04 0 63Flange Lock Nut, 5/16-18
8714-04040Bow-Tie Cotter Pin, 72
9726 -0214Push Cap, 5/8
10731-08656ASpeed Control Cover
11731-08743BSpeed Lever, 6-SPEED
12732- 04937Shift Spring
Part No.Description
12
Ref.
No.
13747- 06033ABrake Rod
14732-0716DExtension Spring, .59 OD x 4.00 LG
15735-04279Foot Pad, 2.5" LG.
16738-04184AShoulder Screw, .368 X.113, 1/4-20
17741- 0356ASteering Col. Bearing, .880 ID X 1.36
18747- 05506Variable Speed Control Rod
19747- 06015Speed Selector Control Rod
20748 -02 3 4Shoulder Spacer
21783-05940Pedal Strap Support Bracket, 5/8
22783-08116ASpeed Latch Bracket
23717- 077 2BBrake lever Bracket
Part No.Description
19
21
Deck Lift
6
14
3
3
15
11
1
12
13
18
15
5
11
12
15
17
2
12
4
16
8
9
10
20
7
Ref.
No.
1683-05060Lift Assembly Shaft
2683-04757Front Hanger Bracket Assembly
3710- 044 84Tap Screw, 5/16-18, .750
4710- 0514Hex Head Screw, 3/8-16, 1.00
5710- 0642Tap Screw, 1/4-20, 0.750
6710- 0778Screw, 1/4-20, 1.50
7710-1652Tap Screw, 1/4-20 X .625
8711- 05 6 9 0Ferrule, .50 X .50
9712- 04 0 65Flange Lock Nut, 3/8-16
10712- 05046Hex Lock Nut, 1/2-13
11714-04040Bow-Tie Cotter Pin, 72
Part No.Description
Ref.
No.
12714-04043Bow-Tie Cotter Pin, 91
13720 -0311Grip Handle, 1/2
14732-04692Extension Spring, .85 OD X 5.915 LG
15936-0300Flat Washer, .406 X .875 X .059
16938-0347Shoulder Spacer, .625 ID X .169
1774 7- 05511Lift Link Rod
18747- 05576Deck Lift Rod
19750-0566ASpacer, .260 x .375 x 1.030 LG
20783- 07129Front Deck Mounting Bracket
21936 -0463Flat Washer, .250 x .630 x .052
Part No.Description
13
30” Deck
1
15
3
41
42
42
39
40
41
43
17
22
30
2
27
12
26
1
14
23
4
20
46
45
19
9
25
44
14
21
29
11
18
24
10
13
16
31
38
35
34
33
34
36
32
36
6
5
8
32
37
15
28
7
14
30” Deck
Ref.Part NumberDescription
1918-04822ASpindle Pulley Assembly, 6.3 DIA
2631-05024Deck Belt Cover
3647-05028Idler Rod Assembly
4983-05034PTO Brake Assembly Bracket
5983-05039ADeck, 30” w/ Nozzle
6710-0347Hex Cap Screw, 3/8-16 x 1.75
7710-1260ATap Screw, 5/16-18, .750
8710-0514Hex Head Screw, 3/8-16, 1.00
9710-0528Hex Cap Screw, 5/16-18 x 1.25
10710 -059 9Tap Scew, 1/4-20, 0.500
11710-1026Tap Screw, 1/4-20, 1.750
12710-1315Tap Screw, 3/8-16, 1.250
13712- 0 4063Flange Lock Nut, 5/16-18
14712- 0 4 0 65Flange Lock Nut, 3/8-16
15712 - 0417AFlange Nut, 5/8-18
16732-05045PTO Torsion Spring
17732- 05046Brake Torsion Spring
18732-0583Compression Spring, .625 x 4.0
19736-0362Flat Washer, .330x1.250x.060
20736-3040Flat Washer, .406 x 1.920 x .060
21938-0347Shoulder Spacer, .625 ID X .169
22738-04184AShoulder Screw, .368 X.113: 1/4-20
23738 - 05021Shoulder Spacer, .173 x .625 x .563
Ref.Part NumberDescription
24738-05022Shoulder Spacer, .134 x .500 x .438
25750- 04456Spacer, .260 X .372 X 1.420 LG
26954- 05001V-Type Belt, 43.5 LG
27756-04224Flat Idler Pulley, 2.75 OD
28783-08047ADeck Spindle Support Bracket
29783- 0 812 8Lower Floating Idler Bracket
30783-08226Upper Floating Idler Bracket
31946 -04802APTO Cable
32710 - 04998Carriage Screw, 5/16-18, 1.00
33720 -0 4122Wing Knob, 5/16-18
34726-0201Speed Nut, .3125 ID
35731-10267Chute Deector
36736-0242Bevel Washer, .340X.872X.060
37942-04385Cutting Blade, 30.00" 3-IN-1
38731- 09312Mulch Plug
39936- 0351Shim Washer, .760X1.500X.030
40738-1186ASpindle Shaft, 6.11 LG.
41941- 0919ABall Bearing, .787ID X 1.85 ODX.551
42750 -04936Spacer, .792 X 1.060 X 1.860 LG
4395 6 -1227Deck Pulley, 6.3 DIA
44921-04041Water Nozzle Adapter
45731-074 87Deck Wash Nozzle
46738 -04278Shoulder Screw, 1/4-20 x 0.500
15
Engine Accessories MTD P90
6
10
1
11
9
5
2
2
7
2
3
12
8
4
16
Ref.
No.
1710- 044 83Tap Screw, 1/4-20, 0.500
2710- 04683ATap Screw, 3/8-16, 1.000
3710- 05446Tap Screw, 3/8-16, 2.250
4710-06067Hex Head Screw, 7/16-20 x 1.25
5912-0691Nut, Hex Nylon Lock, M6-1.0
6726-0205Hose Clamp, .490 DIA.
7731-16 82AOil Drain Sleeve
8736-0322Flat Washer, .450 x 1.25 x .164
9946-04829AThrottle/Choke Cable 31 Lg.
10751-10349 -13Low Permeation Fuel Line, 1/4
11BS-298090SFuel Filter, 1/4", 298090
12756 - 04479AEngine Pulley, 4.46 / 3.39
Part No.Description
Wiring Harness Schematic - 725-06042
17
OV ERHE AD VA LV E
420c c OH V
CC30
12 Volts
19A30014OE M
19A30013OE M
490- 29 0- 0013
490- 85 0- 0008
490- 85 0- 0005
Batt er y Voltag e
Bagger
Mulch Kit
Riding Mower Cove r
Oil Siphon
Blade Remo val Tool
942- 0438 5
954- 0500 1
951-10292
951-12260
951-12690
BS-2 98090S
57 oz / 10W-30
Blade( s)
Deck belt (s)
Drive belt (s)
Spark Plug (s)
Air Filter
Oil Filter
Fuel Filter
Amount of oil & weight
954- 02 41A / 954- 0433 1
Labels
777D19445777D19446
777D16495777S35300
S35300
COMMON PARTSITEM NUMBER COMMON PARTSITEM NUMBER
X46971
ww w. cubcadet.c om
D16495
ACCESSORIE SITEM NUMBER
777S35297
S
3
5
2
9
7
777I23784777D16298777X46971
FAST
SL OW
18
19Notes
Engine Model 4P90JUA Air Intake
120
127
130
121
129
122
127
121
126
124
128
20
Ref.Part NumberDescription
120951-12255Air Filter Cover Assembly
121712- 04291Air Filter Lock Nut
122951-12255Air Filter Cover
124951-12256Sponge Filter
126951-1226 0Air Filter Assembly
127712- 04212Nut M6
128951-12328Rubber Cap
129951-12257Manifold
130951-12 2 58Manifold Gasket
4P90JUA Engine Shroud
192
1
2
3
4
5
6
6
192
2
3
4
2
3
4
7
Ref.
Part NumberDescription
1751-12205Debris Shield
2712- 0 4290Nut
3750-05320Engine Shroud Spacer
4710-05304Starter / Shroud Stud M6×100
5951 -116 22Flexible Clamp
6710-05305Hook Bolt
7951-12 206Air Shield
192710-05303Self-Tapping Bolt 5.5×25
21
4P90JUA Crankcase
197 - Gasket Kit - Complete
198 - Gasket Kit - External
199 - Complete Engine
48
49
50
51
52
53
47
178
189
183
185
73
184
183
68
69
67
186
55
56
54
66
65
57
58
59
62
60
63
64
72
72
70
74
22
4P90JUA Crankcase
Ref.
Part NumberDescription
479 51-11499Upper Crankshaft Seal
48710 - 04916Bolt M6×14
49751-12770Breather Cover Plate
50951-12226Breather Gasket
51951-12685Umbrella Valve
52951-12227Mesh Screen
53951-12 6 8 6Umbrella Valve Seat
54951-12228Choke Linkage
55951-12229Governor Arm Shaft
56736-04558Governor Washer
57714 -04074Governor Cotter Pin
589 51-115 74Governor Seal
59951-122 3 0Throttle Linkage
60951-122 31Throttle Linkage Spring
62951-12 232Governor Arm
63710-0490 8Governor Arm Bolt
64712- 0 4212Governor Arm Nut M6
65951-12233Governor Spring
66710 - 04979Bo lt M6×18
67710 - 05310Bolt M6×38
Ref.
Part NumberDescription
68951-122 3 4Throttle Control Bracket
69750-05530Component Bracket Spacer
70951-12 2 35Breather Hose Assembly
729 51-12236Breather Hose Clamp
73751-1220 0AShort Block Assembly
(Incl.37,47-53,55-58,73-77,84,
86 -89,91-93,9 8 -10 4,112,113,
115-119,137,138,144,160,
172,173,175-178,183-186)
184951-12276Piston
185951-1195 4Piston Pin
186951-12277Connecting Rod Assembly
189710- 05319Connecting Rod Bolt
197951-12204Gasket Kit - Complete
(In c l. 47, 50, 58 , 74,113,118 ,13 0
136 -138,144,16 0,166)
198951-12201Gasket Kit - External
(Incl .113,130,136 -138,14 4,160)
199952Z4P90JUAComplete Engine
23
4P90JUA Cylinder Head
151
151
146
146
152
142
147
147
153
153
145
154
148
148
143
155
196
197 - Gasket Kit - Complete
198 - Gasket Kit - External
199 - Complete Engine
157
157
155
149
149
144
164
164
150
163
163
171
170
169
168
167
162
166
165
172
177
176
173
175
174
175
174
173
193
194
24
142
142
142
140
140
140
141
140
4P90JUA Cylinder Head
Ref.
Part NumberDescription
140710 -05315Bolt M5×10
141951-12 265Cowl
142710- 05316Valve Cover Bolt
1439 51-12266Valve Cover
144951-12267Valve Cover Ring Gasket
145951-11981Rocker Arm Assembly
1467 51-11124Jam Nut
1477 51-11123Fulcrum Nut
148951-11966Rocker Arm
149710-04962Rocker Arm Stud
150951-12 268Push Rod Guide
151951-12 0 81Exhaust Valve Adjuster
152951-12 0 8 0Exhaust Valve Spring Retainer
153951-12 078Valve Spring
154951-1196 4Intake Valve Seal
155951-12 077Valve Spring Retainer
157951 -113 37Valve Kit
162951-10292Spark Plug/F6Rtc
163710 -0 5317Bolt M10×1.25×85
164710-05318Bolt /M10×1. 25×65
165751-12778Cylinder Head Asm
(Incl .137-139,14 4,146 -157
160,161,163-172)
Ref.
Part NumberDescription
165951-12202Cylinder Head Kit
(Incl .14 4,156 ,163,164,16 6)
166751-12774Air Valve Core
167751-12775Strainer Clip
168751-12776Strainer
169751-12777The Air Valve Bonnet
170736 -04629Washer
171710 -05450Screw M5×12
172951-12273Cylinder Head Gasket
173715- 0 412 2Cylinder Head Dowel 12×16
1749 51-11335Push Rod Kit
175951-11962Tapp et
176736-04561Camshaft Thrust Washer
177951-12274Camshaft Assembly
193951-12 329Spark Arrestor
194710-053 44Spark Arrestor Screw
196951-12197Valve Cover Kit
197951-12204Gasket Kit - Complete
(In c l. 47, 50, 58 , 74,113,118 ,13 0
136 -138,144,16 0,166)
198951-12201Gasket Kit - External
(Incl .113,130,136 -138,14 4,160)
199952Z4P90JUAComplete Engine
25
4P90JUA Crankshaft & Crankcase Cover
76
79
80
77
75
91
86
101
113
115
92
93
104
103
102
112
195
114
83
5
89
88
87
118
90
99
100
117
82
81
98
84
85
86
116
117
119
117
26
4P90JUA Crankshaft & Crankcase Cover
Ref.
Part NumberDescription
5951 -116 22Flexible Clamp
75951-122 3 8Crankshaft Assembly
76951-11969Main Bearing
77951-10307Woodru Key
79951-12 239Dipstick Assembly
80951-12241Upper O-Ring
81951-1236 3Lower O-Ring
82951-1224 0Oil Fill Tube Assembly
83710-04980Bolt M6×35
84710 -0 5311Oil Drain Plug
859 51-12242Regulator
86715-04121Dowel Pin 8×14
87951-12 243Ball 6.35
88951-1224 4Spring
89710 -05312Bolt
90736 - 04557Crankshaft Thrust Washer
91951-12245Balanceable Shaft Bearing
92751-12246Balanceable Shaft Assembly
93736 -04559Balanceable Thrust Washer
Ref.
Part NumberDescription
98951-1224 8Oil Pump Assembly
99951-12247O-Ring 10×2.65
100951-12249Filter
101951-122 50Filter Spring
102951-12251O-Ring 35.5×2.65
103951-122 52Filter Cover
104951-11956Governor Gear/Shaft Assembly
112710- 05313Bolt M8×15
113736-04560Oil Drain Plug Washer
114951-12690Oil Filter
115951-122 53Screw Joint
116951-122 5 4Crankcase Cover
951-12 318Crankcase Cover Asm
(Incl . 87-89,100 -10 4,112,113,115,116)
117710 - 04982Bolt M8×54
118951-113 75Lower Crankshaft Seal
119710 -05314Bolt M8×43
195951-12194Oil Drain Plug Assembly
27
4P90JUA Carburetor Assembly
139
139
138
137
134
134
136
131
132
132
133
I
J
K
L
M
O
P
F
K
G
H
N
A
B
C
D
E
Q
R
S
200 - Carburetor Kit - Major
CC
DD
BB
GG
HH
T
U
V
W
X
Y
Z
EE
FF
AA
28
4P90JUA Carburetor Assembly
Ref.
Part NumberDescription
131951-12 823Carburetor Assembly
132951-117 31Fuel Hose Clamp
133951-113 3 6Fuel Line Kit
134723-04071Plastic Support Clamp
136951-12 261Carburetor Gasket
137951-12262Carburetor Insulator
138951-12 263Carburetor Insulator Gasket
139951-12 26 4Carb Stud
200751-12779Carburetor Kit - Major
(Incl.130,136,B,BB,CC,DD
G,M,N,U,W,Y,Z)
An/aChoke Shaft
Bn/aFiber O-Ring
Cn/aChoke Return Spring
Dn/aFlat Steel Washer
En/aChoke Plate
Fn/aIdle Jet Assembly
Gn/aIdle Jet O-Ring
Hn/aSheetmetal Housing
In/aThrottle Shaft
Jn/aThrottle Plate
Kn/aScrew M3×5
Ref.
Part NumberDescription
Ln/aLock Washer
Mn/aNylon/Plastic O-Ring
Nn/aFiber O-Ring
On/aIdle Speed Adjusting Screw
Pn/aIdle Mixture Screw
Qn/aCarburetor Body
Rn/aFuel Inlet
Sn/aFloat Pin
Tn/aEmulsion Tube
Un/aNeedle Valve
Vn/aMain Jet
Wn/aNeedle Valve Spring
Xn/aFloat
Y951-12 304Fuel Bowl O-Ring
Z751-127 72Seat/Fuel Bowl Bolt O-Ring
AA751-1277 3Solenoid Valve Assembly
BBn/aFuel Bowl
CC951-11349Fuel Drain Plug Gasket
DD710 - 04938Fuel Drain Plug
EE710 - 05 449Seat/Fuel Bowl Bolt
GG736-04554Washer
HH710 -05337Screw M5×12
29
4P90JUA Muffler Assembly
191
191
191
191
190
159
158
48
160
Ref.Part NumberDescription
48710- 04916Bolt M6×14
158712- 04219Nut M8
159951-12270Muer Assembly
160951-12271Exhaust Pipe Gasket
161951-12 272Mu Stud M8×47
161951-12196Muer Stud Assembly
190951-12 278Wire Mesh Shield
191710-05051Bolt M6×12
161
161
30
4P90JUA Starter Assembly
9
8
10
11
12
11
23
24
25
36
34
35
33
35
36
34
31
28
30
24
13
25
29
30
11
12
12
14
15
16
17
18
19
21
37
37
Ref.
Part NumberDescription
8710 - 05306Bolt M8×40
9951-122 07Starter Assembly
10710 -05307Screw M5×25
11736-04554Lock Washer 5
12736-04556Plain Washer 6
13951-12 208Electrical Starter Front Cover
14951 -12 211Bearing
15951-12210Pinion/Clutch Assembly
169 51-12312Gear
17951-1220 9Bearing
189 51-12212Pinion Cover
19951-12 214Bearing 6001Zz
219 51-12216Bearing
Ref.
Part NumberDescription
23951-1252 8Starter Housing Assembly
24951-12217Screw
25736-04554Lock Washer
289 51-1252 9Brush Assembly
29951-12 219Electrical Starter Back Cover
30710 -05308Bolt M6×100
31951-12324Bolt M6×30 Assembly
33736 -04555Insulation Washer
34736-04556Plain Washer 6
35736- 04477Lock Washer 6
36712- 04212Nut M6
37715-0 4120Dowel Pin 10×14
31
4P90JUA Ignition & Electrical
40
41
42
38
38
44
39
46
45
Ref.Part NumberDescription
38710-04920Bolt M6×28
39951-12220Ignition Coil Assembly
40712- 0422 0Flywheel Nut M16×1.5
41951-12221Fan Mounting Plate
42751-12222ACooling Fan
43951-12223Flywheel
44951-12224Coil Assy. Charge
45710 - 04940Bolt M6×10
46951-12279Cowl
43
38
32
33Notes
Engine Model 4P90JUB Air Intake
120
127
130
121
129
122
127
121
126
124
128
34
Ref.Part NumberDescription
120951-14 458Air Filter Cover Assembly
121951-14 466Air Filter Lock Nut
122951-12255Air Filter Cover
124951-12256Sponge Filter
126951-1226 0Air Filter Assembly
127712- 04212Nut M6
128951-12328Rubber Cap
129951-12257Manifold
130951-12 2 58Manifold Gasket
4P90JUB Engine Shroud
192
1
2
3
4
5
6
6
192
2
3
4
2
3
4
7
Ref.
Part NumberDescription
1951-122 05Debris Shield
2712 - 042 9 0Nut
3750 -05320Engine Shroud Spacer
4951-14 454Starter / Shroud Stud M6×99
5951-11622Flexible Clamp
6710-05305Hook Bolt
7751-14455Air Shield
192710-05303Self-Tapping Bolt 5.5×25
35
4P90JUB Crankcase
48
49
183
185
197 - Gasket Kit - External
198 - Gasket Kit - Complete
199 - Complete Engine
184
183
186
54
189
55
50
51
52
53
47
72
72
73
74
56
57
58
59
70
36
178
68
60
66
65
69
67
64
62
63
4P90JUB Crankcase
Ref.
Part NumberDescription
479 51-11499Upper Crankshaft Seal
48710 - 04916Bolt M6×14
49951-14456Breather Cover Plate
50951-12226Breather Gasket
51951-12685Umbrella Valve
52951-12227Mesh Screen
53951-12 6 8 6Umbrella Valve Set
54951-12228Choke Linkage
55951-12229Governor Arm Shaft
56736-04558Governor Washer
57714 -04074Governor Cotter Pin
589 51-115 74Governor Seal
59951-122 3 0Throttle Linkage
60951-122 31Throttle Linkage Spring
62951-12 232Governor Arm
63710-0490 8Governor Arm Bolt
64712- 0 4212Governor Arm Nut M6
65951-12233Governor Spring
66710 - 04979Bo lt M6×18
67710 - 05310Bolt M6×38
68951-14 457Component Bracket/Separate
Ref.
Part NumberDescription
69750-05530Component Bracket Spacer
70951-12 2 35Breather Hose Assembly
729 51-12236Breather Hose Clamp
73951-14462Short Block Assembly
(Incl.37,47-53,55-58,73-77,84,86,87-89,
91-93 ,98 -104,112,113,115-119,137-138,
144,16 0,172,173,175 -178 ,183-186)
74951-12 237Crankcase Cover Gasket
178951-12275Piston Ring Set
183951-11953Piston Pin Snap Ring
184951-12276Piston
185951-1195 4Piston Pin
186951-12277Connecting Rod Assembly
189710- 05319Connecting Rod Bolt
197951-12201Gasket Kit - External
(Incl .113,130,136,137,138,114,160)
198951-12204Gasket Kit - Complete
(In c l. 47, 50, 58 , 74,113,118 ,13 0 ,
136,137,138 ,14 4,160,172)
199952Z4P90JUBComplete Engine
37
4P90JUB Cylinder Head
151
151
146
146
152
142
147
147
153
153
145
154
148
148
143
155
196
197 - Gasket Kit - External
198 - Gasket Kit - Complete
199 - Complete Engine
157
157
155
149
149
144
164
164
150
163
163
171
170
169
168
167
162
166
165
172
177
176
173
175
174
175
174
173
38
142
142
142
140
140
140
141
140
4P90JUB Cylinder Head
Ref.
Part NumberDescription
140710 -05315Bolt M5×10
141951-12 265Cowl
142710- 05316Valve Cover Bolt
1439 51-12266Valve Cover
144951-12267Valve Cover Ring
145951-11981Rocker Arm Assembly
1467 51-11124Jam Nut
1477 51-11123Fulcrum Nut
148951-11966Rocker Arm
149710-04962Rocker Arm Stud
150951-12 268Push Rod Guide
151951-12 269Exhaust Valve Adjuster
152951-12 0 8 0Exhaust Valve Spring Retainer
153951-12 078Valve Spring
154951-1196 4Intake Valve Seal
155951-12 077Valve Spring Retainer
156951 -113 37Valve Kit
157951 -113 37Valve Kit
162951-10292Spark Plug/F6Rtc
163710 -0 5317Bolt M10×1.25×85
164710-05318Bolt /M10×1. 25×65
165951-12202Cylinder Head Kit
(Incl .14 4,154,163,164,172)
Ref.
Part NumberDescription
951-14463Cylinder Head Asm
(Incl .137-139,14 4,146 -159,
161-163,165-170)
166951-14 4 60Air Valve Core
167951-127 75Strainer Clip
168951-127 76Second Air Valve Filter Element
169951-12777The Air Valve Bonnet
170736 -04629Washer
171710 -05337Screw M5×12
172951-12273Cylinder Head Gasket
173715- 0 412 2Cylinder Head Dowel 12×16
1749 51-11335Push Rod Kit
175951-11962Tapp et
176736-04561Camshaft Thrust Washer
177951-12274Camshaft Assembly
196951-12197Valve Cover Kit
197951-12201Gasket Kit - External
(Incl .113,130,136,137,138,114,160)
198951-12204Gasket Kit - Complete
(In c l. 47, 50, 58 , 74,113,118 ,13 0 ,
136,137,138 ,14 4,160,172)
199952Z4P90JUBComplete Engine
39
4P90JUB Crankshaft & Crankcase Cover
76
79
80
77
75
91
86
101
113
115
92
93
104
103
102
112
195
114
83
5
89
88
87
118
90
99
100
117
82
81
98
84
85
86
116
117
119
117
40
4P90JUB Crankshaft & Crankcase Cover
Ref.
Part NumberDescription
5951-11622Flexible Clamp
75951-122 3 8Crankshaft Assembly
76951-11969Main Bearing
77951-10307Woodru Key
79951-12 239Dipstick Assembly
80951-12241Upper O-Ring
81951-1236 3Lower O-Ring
82951-1224 0Oil Fill Tube Assembly
83710-04980Bolt M6×35
84710 -0 5311Oil Drain Plug
859 51-12242Regulator
86715-04121Dowel Pin 8×14
87951-12 243Ball 6.35
88951-1224 4Spring
89710 -05312Bolt
90736 - 04557Crankshaft Thrust Washer
91951-12245Balanceable Shaft Bearing
92751-12246Balanceable Shaft Assembly
93736 -04559Balanceable Thrust Washer
Ref.
Part NumberDescription
98951-1224 8Oil Pump Assembly
99951-12247O-Ring 10×2.65
100951-12249Filter
101951-122 50Filter Spring
102951-12251O-Ring 35.5×2.65
103951-122 52Filter Cover
104951-11956Governor Gear/Shaft Assembly
112710- 05313Bolt M8×15
113736-04560Oil Drain Plug Washer
114951-12690Oil Filter
115951-122 53Screw Joint
116951-122 5 4Crankcase Cover
951-12 318Crankcase Cover Asm
(Incl . 87,88,89,100,101,102,
103,10 4,112,113,115,116)
117710 - 04982Bolt M8×54
118951-113 75Lower Crankshaft Seal
119710 -05314Bolt M8×43
195951-12194Oil Drain Plug Assembly
41
4P90JUB Carburetor Assembly
134
134
139
139
138
137
136
200 - Carburetor Kit - Major
131
132
132
133
I
J
K
L
M
O
P
K
N
BB
F
B
C
E
Q
R
S
T
U
V
W
X
Y
CC
DD
Z
EE
GG
42
4P90JUB Carburetor Assembly
Ref.
Part NumberDescription
131951-12771ACarburetor Assembly
132951-117 31Fuel Hose Clamp
133951-113 3 6Fuel Line Kit
134723-04071Plastic Support Clamp
136951-12 261Carburetor Gasket
137951-12262Carburetor Insulator
138951-12 263Carburetor Insulator Gasket
139951-12 26 4Carb Stud
200951-1417 9Carburetor Kit - Major
(I ncl.130 ,136,138, F,G,S,T,U,V,W, X,Y, Z)
An/aChoke Shaft
Bn/aChoke Shaft Fiber O-Ring
Cn/aChoke Return Spring
Dn/aFlat Steel Washer
En/aChoke Plate
Fn/aIdle Jet Assembly
Gn/aIdle Jet O-Ring
Hn/aSheetmetal Housing
In/aThrottle Shaft
Jn/aThrottle Plate
Kn/aScrew M3×5
Ln/aLock Washer
Mn/aNylon/Plastic O-Ring
Ref.
Part NumberDescription
Nn/aFiber O-Ring
On/aIdle Speed Adjusting Screw
Pn/aIdle Mixture Screw
Qn/aCarburetor Body
Rn/aFuel Inlet
Sn/aFloat Pin
Tn/aEmulsion Tube
Un/aNeedle Valve
Vn/aMain Jet
Wn/aNeedle Valve Spring
Xn/aFloat
Yn/aFuel Bowl O-Ring
Zn/aO-Ring
AA951-14175Fuel Shut-o Solenoid Valve Kit
(I ncl.130 ,136,138, AA ,G,H,Z)
BB951-14176Fuel Bowl Kit
(Incl.130,136,138,BB,CC,DD,EE,Y,Z)
CCn/aFuel Drain Plug Gasket
DDn/aFuel Drain Plug
EEn/aSeat/Fuel Bowl Bolt
GGn/aWasher
HHn/aScrew M5×12
43
4P90JUB Muffler Assembly
191
191
191
193
191
190
159
158
48
160
Ref.Part NumberDescription
48710-04916Bolt M6×14
158712- 04219Nut M8
159951-14 4 68Muer Assembly
160951-12271Exhaust Pipe Gasket
161951-12 272Mu Stud M8×47
161951-12196Muer Stud Assembly
190951-12 278Wire Mesh Shield
191710-05051Bolt M6×12
193951-12 329Spark Arrestor
194710-0534 4Spark Arrestor Screw
194
161
161
44
4P90JUB Starter Assembly
9
8
10
11
12
11
22
24
25
36
34
35
33
35
36
34
32
31
28
30
24
13
25
29
30
11
12
12
14
15
16
17
18
19
20
21
37
37
Ref.
Part NumberDescription
8710 - 05306Bolt M8×40
9951-122 07Starter Assembly
10710 -05307Screw M5×25
11736-04554Lock Washer 5
12736-04556Plain Washer 6
13951-12 208Electrical Starter Front Cover
14951 -12 211Bearing
15951-12210Pinion/Clutch Assembly
169 51-12312Gear
17951-1220 9Bearing
189 51-12212Pinion Cover
19951-12 214Bearing 6001Zz
219 51-12216Bearing
Ref.
Part NumberDescription
23951-1252 8Starter Housing Assembly
24951-12217Screw
25736-04554Lock Washer
289 51-1252 9Brush Assembly
29951-12 219Electrical Starter Back Cover
30710 -05308Bolt M6×100
31951-12324Bolt M6×30 Assembly
33736 -04555Insulation Washer
34736-04556Plain Washer 6
35736- 04477Lock Washer 6
36712- 04212Nut M6
37715-0 4120Dowel Pin 10×14
45
4P90JUB Ignition & Electrical
40
41
42
38
38
44
39
46
45
Ref.Part NumberDescription
38710 - 0 4931Bolt M6×28
39951-12220Ignition Coil Assembly
40712-042 20Flywheel Nut M16×1.5
41951-12221Plate
42951-12222ACooling Fan
43951-12223Flywheel
44951-12224Coil Assy.,Charge
45710 - 04940Bolt M6×10
469 51-1227 9Cowl
43
38
46
Notes
47
U
I
N
N
E
G
F
A
C
T
O
R
To order replacement parts, call the Customer Dealer Referral Line at 1-877-282-8684
or visit www.cubcadet.com to find the nearest Cub Cadet dealer in your area.