4900 Molly Pitcher Highway
Chambersburg, PA 17202 US
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Briggs & Stratton 302431-0139-99 Cylinder,Piston,Gears,Oil

Change Assembly
Diagrams Shown are for U.S. Models

Cylinder,Piston,Gears,Oil

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
CYLINDER ASSEMBLY (Includes Piston And Ring Assembly)
5
HEAD, Cylinder Used Before Code Date 7509061
5
HEAD, Cylinder
$133.74
6
WASHER
$3.84
7
GASKET, Cylinder Head Included in Gasket Set-Part No. 299719
$11.53
8
BREATHER ASSEMBLY
$45.05
9
GASKET, Rocker Cover Included in Gasket Set-Part No. 299719
$4.22
10
SCREW
11
TUBE, Breather
12
GASKET, Crankcase Included in Gasket Set-Part No. 299719
$11.16
13
SCREW (5/16-18 X 1-3/4)
$6.27
14
SCREW (2-7/16)
$6.64
15
PLUG, Oil Drain (3/8)
$5.51
15
PLUG, Oil Drain
$5.27
16
CRANKSHAFT
$454.74
17
BEARING, Ball
18
SUPPORT, Bearing
20
SEAL, Oil
$11.06
21
PLUG, Oil
$4.22
24
KEY, Flywheel (Breaker Ignition)
$2.76
25
PISTON ASSEMBLY (Standard)
$144.44
25
PISTON ASSEMBLY (.010 Oversize)
25
PISTON ASSEMBLY (.020 Oversize)
25
PISTON ASSEMBLY (.030 Oversize)
27
LOCK, Piston Pin
$4.22
28
PIN, Piston (Standard)
$15.41
29
ROD, Connecting For Connecting Rod with .020 undersize Crankpin Bore-order No. 390306
$103.78
30
DIPPER, Connecting Rod
$12.11
31
LOCK, Rod Screw
$5.26
32
SCREW (Connecting Rod)
$7.87
33
VALVE, Exhaust
$52.95
34
VALVE, Intake
$51.88
35
SPRING, Valve (Exhaust)
$9.46
36
SPRING, Valve (Exhaust)
$9.46
40
RETAINER, Valve (Exhaust Valve) (Exhaust)
$23.67
41
RETAINER, Valve
45
TAPPET, Valve
$28.30
46
CAMSHAFT
$232.71
50
MANIFOLD, Intake
$70.61
51
GASKET, Intake Included in Carburetor Overhaul Kit-Part No. 391071. Included in Gasket Set-Part No. 299719
$4.99
52
GASKET, Intake Included in Gasket Set-Part No. 299719
$4.74
88
GASKET, Gear Cover/Housing
$14.11
123
SCREW (1/4-20 X 3/4)
$7.87
188
SCREW (5/16-18 X 3/4)
$5.64
201
LINK, Throttle
$8.60
204
SCREW
$6.01
206A
NUT, Governor Adjusting
$9.21
206
208
ROD, Governor Control
$22.41
209A
SPRING, Governor (2 1/2)
$9.96
209
SPRING, Governor
$10.33
219
GEAR, Governor
$64.19
223
LEVER, Governor Control
$13.17
225
SHAFT, Governor Gear
$64.19
227
LEVER, Governor Control
$12.09
230
WASHER
$3.95
232
SPRING/LINK, Mechanical Governor
$6.88
300
MUFFLER
$34.58
301
PIPE, Exhaust (4)
302
LOCKNUT (Muffler)
$7.13
303
MANIFOLD, Exhaust (1 Street)
$27.14
306
SHIELD, Cylinder
308
COVER, Cylinder Head Used Before Code Date 7509071
$11.65
308
COVER, Cylinder Head
$18.70
329
SCREW (5/8)
337
PLUG, Spark
337
PLUG, Spark For Ignition Cable Terminal, order No. 221798
347
SWITCH, Stop (1-1/2 High, 38 Mm. Spark Plugs)
357
KEY, Drive Pulley (1/4)
$6.28
358
GASKET SET, Engine
$69.54
523
DIPSTICK Uses: 65304 Gasket
523
DIPSTICK
524
SEAL, O-Ring (Dipstick Tube)
$8.23
525
TUBE, Dipstick
$58.84
552
BUSHING, Governor Crank
$8.60
553
SEAT, Valve Spring
$4.74
556
SCREW (3/8-16 X 1-1/4)
$4.07
558
WASHER (3/8 X 1/8 X 3/32)
$3.95
560
PIN, Cotter
$4.22
562
BOLT (Governor Lever)
567
CRANK, Governor
$31.19
568
SUMP, Engine (Engine Base Furnished by the Equipment Mfr)
$179.99
569
GASKET, Crankcase Included in Gasket Set-Part No. 299719
$11.29
571
SUPPORT, Bearing (Magneto Side)
572
GUIDE, Air
$12.70
587
CLIP, Wire
$3.83
590
SCREW
$3.47
591
PLUG, Camshaft
$6.88
592
NUT (Governor Control)
$3.23
593
GASKET, Bearing Support (.015) Included in Gasket Set-Part No. 299719
$7.37
593
GASKET, Bearing Support (.010) Included in Gasket Set-Part No. 299719
$8.11
593
GASKET, Bearing Support (.005)
$7.00
635
BOOT, Spark Plug
$3.71
645
BUSHING, Plunger
664
SCREW (1/4-20 X 3/4)
$7.87
738
WASHER
$4.22
741
GEAR, Drive
$35.71
742
RETAINER, E Ring
$4.19
744
WASHER
$5.39
746
GEAR, Drive (Magneto Side)
749
COVER, Gear
750
SCREW (1/4-20 X 1)
$5.39
752
SCREW
$3.46
753
SHAFT, Gear
$11.87
754
SCREW
$5.99
755
BEARING, Camshaft
$45.75
756
SHIM, End Play (.009) Included in Gasket Set-Part No. 299719
$4.31
756
SHIM, End Play (.007) Included in Gasket Set-Part No. 299719
$4.31
756
SHIM, End Play (.005) Included in Gasket Set-Part No. 299719
842
SEAL, O-Ring (Oil Fill)
870
SEAT, Valve (Exhaust)
$41.71
871
BUSHING, Valve Guide (Exhaust)
$11.41
900
SHAFT, Gear
$11.53