TECUMSEH
4-CYCLE
ENGINE
MODEL
NUMBER
143.033700
KEY
PART
NO.
NO.
DESCRIPTION
KEY
PART
NO.
NO.
DESCRIPTION
1
37791
Cylinder
172
36784
(Includes Key Numbers 2 and 20)
174
30200
2
26727
Dowel Pin
178
29752
6
33734
Breather Element
182
6201
7
36557
Breather Assembly
184
26756
(Includes Key Numbers 6 and 12A)
185
37794
12
32447
Breather Tube
186
32653
12A
36558
Breather Cover &Tube
189
650839
12B
36694
BreatherTube
Elbow
191
36559A
14
28277
Washer
15
30589
Governor Rod (Includes Key #14)
195
610973
16
34839A
Governor Lever
207
34336A
17
31335
Governor Lever Clamp
216
33086
18
651018
Screw,"1"-15, #8-32 x 19/64"
223
650451
19
33578
Extension Spring
224
37793
20
32600
Oil Seal
238
650932
30
37804
Crankshaft
239
34338
40
40034
Piston, Pin & Ring Set (Standard)
241
35797
41
40051
Piston & Pin Assembly (Standard)
245
35066
(Includes Key Numbers 43)
250B 35065
43
20381
Piston Pin Retaining Ring
260
37808
45
30963B
Connecting Rod Assembly
261
30200
(Includes Key Number 46)
262
650831
46
32610A
Connecting Rod Bolt
275
37192A
48
27241
Valve Lifter
275A 36838A
50
37575
Camshaft (NCR)
(Includes Key Number 104)
52
29914
Oil Pump Assembly
277
650988
69
37609
* Mounting Flange Gasket
284
36663
70
37607
Mounting Flange
(Includes Key Numbers 72 thru 83)
284A 650821
72
37614
Oil Drain Plug
285
35000A
72A
28534
Oil Drain Plug
287
650926
75
27897
Oil Seal
290
29774
80
30574A
Governor Shaft
292
26460
81
30590A
Washer
300
35586A
82
30591
Governor Gear Assembly
(Includes Key Number 81)
301
36246
83
30588A
Governor Spool
311
27625
86
650488
Screw, 1/4-20x 1-1/4"
312
29673
89
611004
Flywheel Key
313
34080
90
611112
Flywheel
370C 37318
92
650815
Belleville Washer
370K 36695
93
650816
Flywheel Nut
380
640339
100
34443C
Solid State Ignition
390
590737
101
610118
Spark Plug Cover
400
37809
103
651007
Screw,"1"-15, #10-24 x 15/16"
104
37480
Cam Bushing
416
36085
110
37047
GroundWire
119
37755
* Cylinder Head Gasket
417
650821
120
37807
Cylinder Head
900
750884
125
37806
Exhaust Valve (Standard Size)
750892
(Includes Key Number 151)
126
37805
Intake Valve (Standard Size)
(includes Key Number 151)
130
6021A
Screw, 5/16-18 x 1-1/2"
135
35395
Resistor Spark Plug (RJ19LM)
150
31672
Valve Spring
151
31673
Valve Spring Cap
151A 40016A
Intake Valve Seal
169
36783
* Valve Cover Gasket
Valve Cover
Screw, #10-24 x 9/16"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 7/8"
* Carburetor To Intake Pipe Gasket
Intake Pipe
Governor Link
Screw, 1/4-20 x 3/8"
S.E. Brake Bracket
(Includes Key Number 195)
Terminal
Throttle Link
R.P.M. Adjusting Lever
Screw, 1/4-20 x 1"
* Intake Pipe Gasket
Screw, #10-32 x 49/64"
* Air Cleaner Gasket
Air Cleaner Collar
Air Cleaner Filter
Air Cleaner Cover (Craftsman)
Blower Housing
Screw, #10-24 x 9/16"
Screw, 1/4-20 x 1/2"
Muffler
Spark Arrestor Muffler (Optional)
(Includes Key Numbers
284, 284A, 416 and 417)
Screw, 1/4-20 x 2-5/16"
Muffler Deflector (Optional)
(Includes Key Number 284A)
Screw, #10-32 x 1/2" (Optional)
Starter Cup
Screw, #8-32 x 21/64"
Fuel Line
Fuel Line Clamp
Fuel Tank (Includes Key
Numbers 290, 292 and 301)
Fuel Cap
Oil Fill Plug
* Oil Fill Plug Gasket
Spacer
Primer Decal (3X)
Starter Decal
Carburetor (Includes Key #I 84)
Rewind Starter
Gasket Set
(Includes All Items Marked * )
Spark Arrestor Kit (Optional)
(Includes Key Number 417)
Screw, 10-32 x I/2" (Optional)
Replacement Engine
Replacement Short Block
(order from 71-999)
RPMs:
High: 2900 to 3200
NOTE: This engine could have been built with
Recoil Starter 590694.
NOTE: All component dimensions given in U.S. inches
1 inch = 25.4 mm.
33