Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Briggs and Stratton Engine Replacement Parts For Model 243431-1139-99
We Sell Only Genuine Briggs and Stratton Parts
Find Briggs and Stratton 243431-1139-99 Parts By Symptom
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Popular Parts for 243431-1139-99
In Stock
$5.95
In Stock
$34.39
In Stock
$5.95
In Stock
$5.95
In Stock
$7.70
In Stock
$7.90
In Stock
$5.95
In Stock
$28.72
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Air Guide Stopswitch Cylinder Shield
-
A-215
$22.88 -
A-306
$23.08
-
A-307
$7.82
-
A-342
$78.15
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A-473
$7.82
-
A-621
-
A-627
$13.06
-
A-722
$29.10
-
A-724
-
A-724A
$14.13
Alternator Wire Assemblies
-
B-474
$150.85
-
B-474A
$122.47
-
B-474B
-
B-474C
$126.25
-
B-501B
$70.95
-
B-526
$5.95
-
B-578A
$23.48
-
B-578B
$29.10
-
B-877
$23.86
-
B-877A
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B-877B
-
B-878A
$50.05
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B-1059
$8.32
-
B-1119
$5.95
Back Plate Starter Clutch
-
C-66
-
C-67
$36.00
-
C-68
-
C-69
$12.12
-
C-70
$27.52
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C-71
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C-75
$13.72
-
C-197
$6.26
-
C-257
-
C-316
$5.95
-
C-325A
-
C-344
$12.12
-
C-384
$5.95
-
C-405
$5.95
-
C-452
$8.68
-
C-452A
$6.20
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C-458
$14.35
-
C-573
$52.60
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C-588
$42.93
-
C-589
$6.58
-
C-729
$7.56
Blower Housing
-
D-304
-
D-305
$7.82
-
D-895
$28.72
Carburetor Choke Throttle Shaft Upper Body
-
F-91
$148.61
-
F-93
$13.93
-
F-94
$15.40
-
F-95
$5.95
-
F-97
$56.80
-
F-101
$6.98
-
F-102
$7.05
-
F-104
$5.95
-
F-107
$117.15
-
F-108
$14.62
-
F-109
$42.35
-
F-119
$5.95
-
F-125
$368.34
-
F-127
-
F-130
$10.48
-
F-132
$13.72
-
F-133
$16.10
-
F-134
$13.48
-
F-134
$17.57
-
F-134
$10.35
-
F-231
$5.95
-
F-689A
$12.90
-
F-1149
$5.95
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F-1354
$8.90
Carburetor Parts Nozzle High Speed Valve
-
E-110
$7.06
-
E-125
$368.34
-
E-142
$27.15
-
E-142
$35.05
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E-150
$9.70
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E-158
$10.15
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E-689
$7.82
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E-800
$5.95
-
E-1146
$9.48
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E-1227
$16.76
Crankcase Cover Bearing Support
-
G-228
$12.92
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G-571
$89.63
-
G-571
$84.38
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G-593
$19.20
Crankshaft
-
H-16
$353.56
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H-17
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H-24
$5.95
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H-357
$10.82
Cylinder Head Breather
-
I-5
-
I-6
$6.06
-
I-7
$15.82
-
I-8
$71.48
-
I-8A
$24.66
-
I-9
$5.95
-
I-9A
$7.94
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I-10
$6.05
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I-11
-
I-11A
$20.56
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I-13
$10.90
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I-279
$5.95
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I-308
$23.48
-
I-337
$5.95
-
I-362
$22.56
-
I-383
$8.80
-
I-406
$8.50
-
I-550
$9.36
-
I-551
$10.70
-
I-552
$14.13
-
I-635
$5.95
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I-645
-
I-869
$13.06
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I-870
$66.19
-
I-871
$22.63
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I-989
-
I-1058
Electric Starter
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J-309
$183.79
-
J-310B
-
J-311
$33.30
-
J-510
-
J-513
$29.06
-
J-668A
$13.02
-
J-675
$6.06
-
J-697
$8.90
-
J-727
$70.72
-
J-732
$12.12
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J-783
$7.70
-
J-797
$8.28
-
J-801
$53.60
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J-801
$66.27
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J-802
$33.53
-
J-1051
$7.38
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J-1090
$35.27
Electric Starter 2
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K-310A
-
K-311A
-
K-311A
$75.83
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K-442
$5.95
-
K-503
$25.66
-
K-510A
$35.68
-
K-510B
$43.64
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K-513
$29.06
-
K-544A
$112.42
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K-697
$8.90
-
K-773A
$15.78
-
K-783
$7.70
-
K-801
$66.27
-
K-801
$53.60
-
K-802A
$62.95
-
K-803A
$92.92
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K-876
$35.68
-
K-896
$7.82
-
K-896A
$6.90
Engine Base Dipstick
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L-15
$9.10
-
L-15A
$9.10
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L-21
$5.95
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L-523
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L-524
$10.72
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L-525
$75.73
-
L-525
$81.82
-
L-567
$6.40
-
L-568
$27.88
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L-569
$15.36
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L-665
$10.50
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L-998
$8.58
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L-998A
$13.66
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L-1054
$6.20
Engine Gasket Set Carburetor Overhaul Kit
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M-7
$15.82
-
M-9
$5.95
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M-9A
$7.94
-
M-20A
$7.17
-
M-51
$6.23
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M-51A
$5.95
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M-87
$7.90
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M-94
$15.40
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M-102
$7.05
-
M-104
$5.95
-
M-121
-
M-121
-
M-127
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M-134
$13.48
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M-134
$17.57
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M-134
$10.35
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M-142
$35.05
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M-142
$27.15
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M-150
$9.70
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M-245
$6.23
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M-358
$81.72
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M-524
$10.72
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M-550
$9.36
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M-569
$15.36
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M-593
$19.20
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M-593A
$10.78
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M-593A
$13.48
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M-593A
$11.86
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M-639
$13.93
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M-883
$6.32
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M-1227
$16.76
Exhaust System
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N-81
$8.68
-
N-264
$11.72
-
N-298
$11.72
-
N-300
$45.84
-
N-300A
$90.95
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N-300B
-
N-300C
$82.87
-
N-301
$12.40
-
N-303
$20.32
-
N-346
$5.95
-
N-613
$17.77
-
N-676
$9.80
-
N-677
$5.95
-
N-725
$26.63
-
N-728
$5.95
-
N-823
$5.95
-
N-834
$6.15
-
N-864
$79.42
-
N-864A
$63.55
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N-883
$6.32
-
N-944
-
N-994
$66.44
Flywheel Rotating Screen
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O-23
$620.43
-
O-73
$51.15
-
O-73A
$62.57
-
O-74
$6.06
-
O-321
$204.27
-
O-331
$6.15
-
O-332
$6.70
-
O-363
$38.52
-
O-440
$5.95
-
O-726
-
O-773
-
O-1044
$8.90
Fuel Filter Fuel Pump Fuel Line
-
P-186
$23.08
-
P-186A
$9.72
-
P-187
$55.30
-
P-187A
$34.20
-
P-187A
$34.20
-
P-187A
$25.72
-
P-210
$7.82
-
P-240
-
P-240A
$5.95
-
P-241
$29.02
-
P-245
$6.23
-
P-246
$18.28
-
P-247
-
P-265
$5.95
-
P-266
$34.66
-
P-267A
$6.20
-
P-268
-
P-269
-
P-270
$20.00
-
P-271
$53.95
-
P-385
$7.82
-
P-387
$34.39
-
P-587
$6.03
-
P-601
$5.95
-
P-628A
$8.90
-
P-628B
$5.95
-
P-629
$17.58
-
P-788
$33.76
-
P-788A
$31.12
-
P-788B
$36.00
-
P-861
$116.18
Fuel Tank Brackets
-
Q-179
$5.95
-
Q-180
-
Q-181
-
Q-182
$54.27
-
Q-182A
$35.20
-
Q-183
$49.09
-
Q-186B
$12.38
-
Q-199
$62.57
-
Q-199A
$62.57
-
Q-674
$8.90
-
Q-707
$5.95
-
Q-917
$11.86
Gear Reduction Gear Cover
-
R-20A
$7.17
-
R-82
$8.90
-
R-83
$452.56
-
R-84
$8.68
-
R-85
$5.95
-
R-86
$166.11
-
R-87
$7.90
-
R-88
$16.98
-
R-272
$7.33
-
R-277
$6.15
Governor Spring Bell Crank Control Levers
-
S-162
$10.36
-
S-203
$23.70
-
S-205
$5.95
-
S-206
$5.95
-
S-206A
$15.16
-
S-208
$37.36
-
S-209
$17.16
-
S-212
$14.82
-
S-227
$13.53
-
S-232
$9.38
-
S-404
$6.20
-
S-505
-
S-562
$6.03
-
S-614
$6.65
-
S-616
$51.98
-
S-668
$6.86
Ignition Breaker Magneto Armature
-
T-333
-
T-333
$69.95
-
T-334
$5.95
-
T-340
$11.22
-
T-343
-
T-356B
$73.10
-
T-359
$5.95
-
T-375
-
T-470
$6.06
-
T-484
$9.88
-
T-507
$7.82
-
T-507A
$7.38
-
T-521
$43.18
-
T-639
$13.93
-
T-714
$5.95
-
T-729A
$6.46
-
T-744
$5.95
-
T-851
$5.95
-
T-888
$5.95
-
T-888A
-
T-888B
$9.88
-
T-897
Intake Manifold Air Cleaner
-
U-50
$112.74
-
U-51
$6.23
-
U-51A
$5.95
-
U-54
$12.92
-
U-163
$11.50
-
U-166
-
U-185
$5.95
-
U-412
-
U-445
$24.32
-
U-467
$8.53
-
U-535
$25.47
-
U-536
-
U-570
-
U-643
$17.15
-
U-968
-
U-968A
$68.52
Piston Connecting Rod Bearing Support
-
V-3
$7.90
-
V-25
$219.41
-
V-25
-
V-26
$129.11
-
V-26
$120.64
-
V-27
$6.52
-
V-28
-
V-28
$33.02
-
V-29
$155.68
-
V-29
$95.44
-
V-30
$21.80
-
V-31
$8.68
-
V-32
$10.20
-
V-228
$12.92
-
V-571
$84.38
-
V-571
$89.63
-
V-593A
$11.86
-
V-593A
$13.48
-
V-593A
$10.78
Regulator V-Belt Bracket
-
W-310
$5.95
-
W-318
$7.56
-
W-325
$59.64
-
W-328
$41.40
-
W-329
$7.82
-
W-331
$6.15
-
W-413
$11.72
-
W-465
$6.20
-
W-501
$200.05
-
W-501A
$92.92
-
W-532
$11.72
-
W-545
$6.15
-
W-574
$88.44
-
W-606
$16.88
-
W-652
$6.05
-
W-652B
-
W-694
$6.06
-
W-773
-
W-890
$46.84
-
W-1150
$8.90
-
W-1151
$5.95
-
W-1151A
$6.15
-
W-1153
$5.95
-
W-1153A
$6.15
Rewind Starter
-
X-55
-
X-56
$75.83
-
X-57
-
X-58
$11.03
-
X-58
$10.72
-
X-58
$9.63
-
X-58
$10.20
-
X-60
$7.66
-
X-61
-
X-63
$12.50
-
X-64
-
X-65
$6.06
-
X-289
$6.98
-
X-458
$14.35
-
X-592
$11.03
-
X-608
-
X-655
$7.86
-
X-678
$13.72
-
X-1140
$5.95
-
X-1168
$5.95
Starter Panel Kits
-
Y-356
-
Y-356A
$18.63
-
Y-361
$12.92
-
Y-478
$91.74
-
Y-575
$93.63
-
Y-577
$12.94
-
Y-578
$29.10
-
Y-578D
$25.00
-
Y-579
$8.28
-
Y-636
$5.95
-
Y-641
$6.15
-
Y-641A
$5.95
-
Y-775
$5.95
-
Y-795
$30.28
-
Y-795A
$49.57
-
Y-840
$91.74
-
Y-840
$120.47
-
Y-840A
$181.64
-
Y-892
$59.71
-
Y-945
$19.60
-
Y-990
$11.76
-
Y-1142
$6.32
-
Y-1142
-
Y-1217
$6.15
Valves Camshaft
-
Z-33
$87.38
-
Z-34
-
Z-35
$16.30
-
Z-36
$16.30
-
Z-40
$39.45
-
Z-42
$12.05
-
Z-42
$11.06
-
Z-45
$47.16
-
Z-46
$214.78
-
Z-219
$82.07
-
Z-219A
$102.50
-
Z-221
$18.43
-
Z-225
$18.40
-
Z-552
$14.13
-
Z-553
$7.82
-
Z-626
$8.68
-
Z-900
$14.92
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