CRAFTSMAN
4-CYCLE
ENGINE
MODEL
NUMBER
143.044500
KEY
PART
NO.
NO.
DESCRIPTION
KEY
PART
NO.
NO.
DESCRIPTION
1
37791
Cylinder (Includes Key #2 and 20)
185
37794
2
26727
Dowel Pin
186
32653
6
33734
Breather Element
189
650839
7
36557
Breather Assembly
191
36559A
(Includes Key Numbers 6 and 12A)
12
32447
Breather Tube
195
610973
12A
36558
Breather Cover & Tube
207
34336A
12B
36694
BreatherTube
Elbow
216
33086
14
28277
Washer
223
650451
15
30589
Governor Rod (Includes Key #14)
224
37793
16
34839A
Governor Lever
238
650932
17
31335
Governor Lever Clamp
239
34338
18
651018
Screw,%15
#8*32 x 19/64"
241
35797
19
33578
Extension Spring
245
35066
20
32600
Oil Seal
250
35065
30
37804
Crankshaft
260
36980B
40
40053
Piston, Pin & Ring Set (Standard)
261
30200
41
40051
Piston & Pin Asssembly (Standard)
262
650831
(Includes Key Number 43)
275
37498
42
40022
Ring Set (Standard)
275A 36838A
43
20381
Piston Pin Retaining Ring
45
30963B
Connecting Rod Assembly
(Includes Key Number 46)
277
650988
46
32610A
Connecting Rod Bolt
279
28763
48
27241
Valve Lifter
280
37717
50
37575
Camshaft (NCR)
284
36663
(Includes Key Number 104)
52
29914
Oil Pump Assembly
284A 650821
69
37609
* Mounting Flange Gasket
285
35000A
70
37608
Mounting Flange (Includes Key
287
650926
#72 thru 83, 306, 309A and 311A)
290
29774
72
37614
Oil Drain Plug
292
26460
72A
28534
Oil Drain Plug
298
28763
75
27897
Oil Seal
300
36916
80
30574A
Governor Shaft
301
37844
81
30590A
Washer
305
35647A
82
30591
Governor Gear Assembly
306
37610
(Includes Key Number 81)
307
35499
83
30588A
Governor Spool
309
650562
86
650488
Screw 1/4-20 x 1_1/4"
309A 650783
89
611298
Flywheel Key
310
35648
90
611299
Flywheel
311A 37611
92
650815
Belleviile Washer
313
34080
93
650816
Flywheel Nut
370
37269
100
34443C
Solid State Ignition
370C 37318
101
610118
Spark Plug Cover
370K 36695
103
651007
Screw,%15
#10-24 x 15/16"
370R 37849
104
37480
Cam Bushing
380
640339
110
37047
GroundWire
390
590737
119
37755
* Cylinder Head Gasket
400
37809
120
37807
Cylinder Head
125
37806
ExhaustValve
(Standard Size)
416
37530
(Includes Key Number 151)
126
37805
Intake Valve (Standard Size)
417
650821
(Includes Key Number 151)
900
750884
130
6021A
Screw 5/16_18 x !-1/2"
135
35395
Resistor Spark Plug (RJ19LM)
900
750885
150
31672
Valve Spring
151
31673
Valve Spring Cap
151A 40016A
Intake Valve Seal
169
36783
* Valve Cover Gasket
172
36784
Valve Cover
174
30200
Screw #10_24 x 9/16"
178
29752
Nut and LockWasher
1/4_28
182
6201
Screw 1/4_28 x 7/8"
184
26756
* Gasket, Carburetor to Intake Pipe
Intake Pipe
Governor Link
Screw 1/4-20 x 3/8"
S.E. Brake Bracket
(Includes Key Number 195)
Terminal
Throttle Link
R.RM. 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 Fitter
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"
Screw #10-32 x 39/64"
Heat Shield
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
Screw #10-32 x 39/64"
Fuel Tank (includes Key #292, 301)
Fuel Cap
Oil Fill Tube (Includes Key #306)
"0" Ring
"0" Ring
Screw #10-32 x 1/2"
Screw #10-24 x 3/4"
Dipstick
Hold Down Bracket
Spacer
Name Decal
Primer Decal (3X)
Starter Decal
Warning Decal
Carburetor (Includes Key #184)
Rewind Starter
Gasket Set
(Includes All Items Marked * )
Spark Arrestor Kit (Optional)
(Includes Key Number 417)
Screw #10-32 x 1/2" (Optional)
Replacement Engine
(order from 71_999)
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
37