4900 Molly Pitcher Highway
Chamberburg, PA 17202 US
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Briggs & Stratton 400437-0121-99 Cylinder,Cyl. Heads,Psiton

Change Assembly
Diagrams Shown are for U.S. Models

Cylinder,Cyl. Heads,Psiton

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Cylinder Assembly
2
Bushing-Cylinder
$16.82
3
Seal-Oil
$5.85
5-1
Head-Cylinder #1
5-2
Head-Cylinder #2
7-2
Gasket, Cylinder He (Cyl. #2) Included in Gasket Set-Part No. 394501
$9.42
7-1
Gasket, Cylinder He (Cyl. #1) Included in Gasket Set-Part No. 394501
$9.30
8-2
Breather Assembly #2
8-1
Breather/Terminal A (#1)
$41.33
9
Gasket-Valve Cover Included in Gasket Set-Part No. 394501
$3.71
10
Screw
$3.35
12
Gasket-Crankcase Cover 1/64" Thick Included in Gasket Set-Part No. 394501
$9.19
12
Gasket, Crankcase (.005" Thick) Included in Gasket Set-Part No. 394501
$9.19
12
Gasket-Crankcase Cover .009" Thick Included in Gasket Set-Part No. 394501
$9.30
13
Screw, Machine Hex (15/16" Long)
$3.11
14
Screw, Machine Hex (2-5/16" Long)
$3.23
15A
Plug, Pipe (Flush) (1/4-18 Nptf)
$4.43
15
Plug, Pipe (Standar (3/8")
$4.67
16
Crankshaft Order 94196 Key or 231160 Pin for Timing Gear Retaining Device
17
Bearing-Ball (P.t.o. Side)
$46.27
18
Crankcase Cover (Ball Brg.)
20
Seal, Oil (Used In Crankcase Covers)
$6.08
22
Screw-Tank Mounting
$3.71
24
Key, Flywheel
$2.87
25
Piston/Ring Kit (Std.)
25
Piston/Ring Kit (.010" O.S.)
25
Piston/Ring Kit (.020" O.S.)
$86.99
25
Piston/Ring Kit (.030" O.S.)
26
Ring Set-Std
$47.31
26
Ring Set-010
26
Ring Set-020
$58.99
26
Ring Set-030
27
Lock-Piston Pin
$3.71
28
Pin-Piston Std (Std.)
$13.52
28
Pin-Piston 005 (.005 O.S.)
29
Rod-Connecting (Standard) For Connecting Rod with .020" Undersize Crankpin Bore-Order No. 393714
$66.99
30
Dipper-Connecting Rod
$12.86
31
Washer (1/4 X 5/8 X 1/32)
$3.35
32
Screw, Hex Head Cap
$4.31
33
Valve/Retainer Kit
34
Valve, Intake
$26.99
35
Spring, Valve
$5.39
36
Spring, Valve (Exhaust)
$8.15
40
Retainer, Spring (Used With Valves With Groove In Stem)
41
Rotocoil Assy (Exhaust Valve)
$21.11
42
Keeper, Valve (2)
$6.08
45
Tappet-Valve
$11.26
46
Gear, Cam (Used with Electronic Ignition)
219
Gear-Governor
$23.75
220
Washer-Thrust
230
Washer (1/4 X 5/8 X 1/32)
$3.35
244
Connector, Fuel
$5.63
284B
Screw-Shoulder
337
Spark Plug (Resistor)
$4.43
353
Lockwasher, Interna
$3.35
354
Nut, Hex (8-32)
$3.11
356
Wire, Ground Assy (30" long-Cut To Suit)
$9.42
357
Key, Pulley (1/4")
$6.31
383
Wrench-Spark Plugs
$3.95
506
Terminal
$5.75
507
Insulator
$4.19
520
Terminal, Spade
$5.85
523A
Cap And Dipstick-Oil Filler
$22.67
523
Cap-Oil Fill
$23.75
524
Seal-Oil Filler Tube To Sump
$7.23
525A
Tube-Oil Filler
525
Tube-Oil Filler
$25.37
528
Pipe/Clamp Assy (Impulse) (9" long-old style) Std 4-1/2" long
$11.03
552A
Upper Bushing-Governor
$7.12
552
Lower Bushing-Governor
$7.12
556
Screw-Hex. Head
$7.81
558
Washer-Lock (3/8 X 1/8 X 3/32")
$3.95
568
Base-Engine
569
Gasket-Engine Base Included in Gasket Set-Part No. 394501
$8.96
572
Guide-Air (Cyl. #2)
601
Clamp, Hose (Green)
$2.99
615
Retainer-E
$3.71
616
Crank-Governor
634A
Foam Seal-Governor Shaft
$12.86
635
Elbow-Spark Plug
$3.47
741
Gear-Timing (Used With Pin)
741
Gear, Timing (Used With Key)
842
Seal-Tube
$4.31
847A
Dipstick And Tube Assy.
847
Tube Assy.-Oil
$45.23
869
Seat, Intake Valve
$13.96
870
Seat-Exhaust Valve (Standard)
$15.72
871
Bushing-Guide (Brass) See Repair Manual
$11.43
871
Bushing-Guide
$11.43
1019
Label Kit